---------------------------------------------------------- Zenith-List Digest Archive --- Total Messages Posted Tue 05/02/06: 27 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 05:42 AM - Re: Source of 2" flexible duct from NACA vent? (N5SL) 2. 06:21 AM - Re: Re: CorvAircraft> Dual Ignition toggle (Trainnut01@aol.com) 3. 06:58 AM - Re: Flying Report: 601XL/Corvair (Gig Giacona) 4. 07:11 AM - One of those magical moments (Michel Therrien) 5. 07:19 AM - CH601 engine (Michel Therrien) 6. 07:33 AM - Re: Re: CorvAircraft> Dual Ignition toggle (gary) 7. 07:50 AM - Re: Re: CorvAircraft> Dual Ignition toggle (Hinde, Frank George (Corvallis)) 8. 08:10 AM - Re: CH601 engine (Bill Cardell) 9. 09:14 AM - Re: One of those magical moments (JAPhillipsGA@aol.com) 10. 09:18 AM - Re: CorvAircraft> Dual Ignition toggle (Chris Lewis) 11. 09:52 AM - Re: CH601 engine (Michel Therrien) 12. 10:01 AM - Re: Re: CorvAircraft> Dual Ignition toggle (Craig Payne) 13. 10:44 AM - Re: CorvAircraft> Dual Ignition - now- 701/Corvair NEWS! (N5SL) 14. 12:41 PM - Re: CorvAircraft> Dual Ignition - now- 701/Corvair NEWS! (Chris Lewis) 15. 01:46 PM - Re-- 701/Corvair NEWS! Congratulaions, Chris (Fritz Gurschick) 16. 02:07 PM - Ignition/ now paint (lynn dingfelder) 17. 02:12 PM - Re: One of those magical moments (KOBO) 18. 03:09 PM - Re: Re: Re: CorvAircraft> Dual Ignition toggle (Dave) 19. 03:43 PM - Re: Flying Report: 601XL/Corvair (Bill Naumuk) 20. 03:49 PM - Pneumatic Blind Riveter Questions (Debo Cox) 21. 04:14 PM - Re: One of those magical moments (n801bh@netzero.com) 22. 04:26 PM - Re: Pneumatic Blind Riveter Questions (ROBERT SCEPPA) 23. 04:54 PM - Re: Re: CorvAircraft> Dual Ignition - now- 701/Corvair NE WS! (n801bh@netzero.com) 24. 05:17 PM - Re: Paint (Brandon Tucker) 25. 05:24 PM - Re: Re: Re: CorvAircraft> Dual Ignition toggle (Brandon Tucker) 26. 05:43 PM - Re: Pneumatic Blind Riveter Questions (Paul Mulwitz) 27. 08:47 PM - Re: [aviation] Re: Re: CorvAircraft> Dual Ignition toggle (Bruce Bockius) ________________________________ Message 1 _____________________________________ Time: 05:42:05 AM PST US From: N5SL Subject: Re: Zenith-List: Source of 2" flexible duct from NACA vent? --> Zenith-List message posted by: N5SL Craig: Van's has it at www.vansaircraft.com. Look under cockpit heating and ventilation. 3 feet of 2" fresh air ducting tube Part Number = VENT SV-3 Price = $7.50 You can also order it in 6' lengths. Here's a picture of it: http://www.vansaircraft.com/images/catalog/cat-med_ventilation-components.jpg Scott Laughlin www.cooknwithgas.com --- Craig Payne wrote: > --> Zenith-List message posted by: "Craig Payne" > > > Does anyone know of a source? All I can find is SCAT > tube and that is > over-kill. All that is really needed is a 2" version > of plastic dryer vent > tubing. > > -- Craig > > > > > > browse > Subscriptions page, > FAQ, > http://www.matronics.com/Navigator?Zenith-List > > > Admin. > > > > > > > > > > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ________________________________ Message 2 _____________________________________ Time: 06:21:51 AM PST US From: Trainnut01@aol.com Subject: Re: Zenith-List: Re: CorvAircraft> Dual Ignition toggle --> Zenith-List message posted by: Trainnut01@aol.com You can add early 90s Ford Ranger 4 cyls to that list also. Carroll Jernigan do not archive ________________________________ Message 3 _____________________________________ Time: 06:58:10 AM PST US Subject: Zenith-List: Re: Flying Report: 601XL/Corvair From: "Gig Giacona" --> Zenith-List message posted by: "Gig Giacona" pmaxpmax(at)hotmail.com wrote: > This weekend, Gus Warren, flew my 601XL/Corvair from Edgewater, FL to my > home airport in Hackettstown, NJ. As many of you know, I completed my > engine in William's Hangar, and then took my plane back to them to finish > the cowling, paint and electrical system. Well, this weekend was the > culmination of my dream to build and fly my own airplane. Gus and I flew > around for a few days and he showed me how things work. And DOES IT EVER > WORK! Mega Congrats Phil. Some performance figures would be apprciated. DO NOT ARCHIVE -------- W.R. "Gig" Giacona 601XL Under Construction See my progress at www.peoamerica.net/N601WR Read this topic online here: http://forums.matronics.com/viewtopic.php?p=32287#32287 ________________________________ Message 4 _____________________________________ Time: 07:11:21 AM PST US From: Michel Therrien Subject: Zenith-List: One of those magical moments --> Zenith-List message posted by: Michel Therrien Hi Group! When building, I always enjoyed those inspiring messages that kept me motivated to work on the project... so, here is one from me. Since a few weeks, I spend a lot more time working around my house than flying. Saturday, familly and me shuffled about 30 yards of earth and it was a long day... Sunday early morning, nobody in my house wanted to get out of bed and I decided it would be a unique time to take a little break from working on the house and go flying. Enroute to the airport, I called my mother in Sherbrooke and we arranged to meet at Sherbrooke's airport. After a quick weather and notam check with the FSS I deposited my flight plan and prepared the plane (my local airport is 10 minutes from home). Soon enough, I was flying, after a Pitts, a RV4 and 2 ultralights took off. The route to Sherbrooke is not that long (50 minutes), but the scenery is quite nice and the weather was simply beautiful. There were no clouds, no wind, no turbulences... a great day! After landing at CYSC, I saw my mother waiting for me at the parking area. My mother is 65, suffers vertigo when climbing on a chair and is normally not in a very good physical shape... but Sunday, she was doing well, smiling and asked me how it was in the air. She wanted to try it for a ride! I said hello to some of my friends, found somebody to take pictures (I did not have my camera and I did not imagine she would ask me for that). And then, I taught her how to sit in the plane. Soon after, we were taking of from runway 31 for a short local flight (over her house). She enjoyed it (even though she would have prefered I fly straight all the way with no turns). After a good breakfast, we said goodbye to each other and I came back home, making some detours around areas I like in Eastern Township (my uncle house near Magog, Mount Orford, etc etc). I was home for lunch and then got back to work. Michel :-) do not archive ---------------------------- Michel Therrien CH601-HD, C-GZGQ http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ________________________________ Message 5 _____________________________________ Time: 07:19:59 AM PST US From: Michel Therrien Subject: Zenith-List: CH601 engine --> Zenith-List message posted by: Michel Therrien Hi again! A friend and I recently made a significant decision. We both enjoy flying and building, and we were both interested in gaining more power for our aircrafts. My 601-HD is powered by a Subaru EA-81 that runs very well since last spring (before that, let say that the fine tuning effort was a never ending process). While the engine works well, I see my flying hours going up fast and it was a done decision that instead of eventually overhauling the engine again, I would have a real aircraft engine (I guess the fine tuning year affected me a bit). When we saw the Franklin engine sales on the net, we looked for what it involved. Then, a few weeks ago, we decided to make the plunge and buy 2 engines (one for me). The engine is now in my garage and I know what I'll be doing when I finish working around the house. I expect to fly behind a 125 hp engine next year! This said, I'll have for sale: - a complete (read complete) FWF installation (with engine, redrive, mount, prop, cowling, radiator, radiator mount, manifold, air box, exhaust, etc etc (approx 140h SMOH--I'd have to look at the engine log) - a second rebuilt subaru engine short bloc (perfect except one defective lifter) (approx. 100h SMOH) - a second set of heads - boxes of spare and complementary parts - a box of distributors - books, manuals, engine log - and whatever I forget now. The engine is fairly much tuned. I still find that valves do not last very long before leaking, but I would say the whole thing is pretty much satisfying (when we look at flying/maintenance hour ratio ;-) I will have that for sale somewhere in fall or winter when I'm ready to mount the new engine on the plane. In the mean time, I'll definitively continue to use it. Michel do not archive ---------------------------- Michel Therrien CH601-HD, C-GZGQ http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ________________________________ Message 6 _____________________________________ Time: 07:33:48 AM PST US From: "gary" Subject: RE: Zenith-List: Re: CorvAircraft> Dual Ignition toggle --> Zenith-List message posted by: "gary" 1a. MSD (the maker of the coil mixer used in the design) recommends against using both sides at the same time. There is another coil mixer (from Mallory??) which is spec'ed for dual operation. - is this first hand info? Stratus recommended against running both at once but others said it wasn't a problem. I called MSD and they said it was ok. Was the application described? I run both for takeoff and landing. It would be nice to get some technical explanations from anyone who claims one or the other but I didn't get any details and have never heard much either way. gary ________________________________ Message 7 _____________________________________ Time: 07:50:43 AM PST US Subject: RE: Zenith-List: Re: CorvAircraft> Dual Ignition toggle From: "Hinde, Frank George (Corvallis)" --> Zenith-List message posted by: "Hinde, Frank George (Corvallis)" I have never heared of a single failure of the coil joiner (I run mine both at the same time for 400 hours), Does anyone else know of one that has failed? Note there is no warning against using both ignitions together in the Stratus manual as far as I remember. Frank -----Original Message----- From: owner-zenith-list-server@matronics.com [mailto:owner-zenith-list-server@matronics.com] On Behalf Of gary Sent: Tuesday, May 02, 2006 7:32 AM Subject: RE: Zenith-List: Re: CorvAircraft> Dual Ignition toggle --> Zenith-List message posted by: "gary" 1a. MSD (the maker of the coil mixer used in the design) recommends against using both sides at the same time. There is another coil mixer (from Mallory??) which is spec'ed for dual operation. - is this first hand info? Stratus recommended against running both at once but others said it wasn't a problem. I called MSD and they said it was ok. Was the application described? I run both for takeoff and landing. It would be nice to get some technical explanations from anyone who claims one or the other but I didn't get any details and have never heard much either way. gary ________________________________ Message 8 _____________________________________ Time: 08:10:23 AM PST US Subject: RE: Zenith-List: CH601 engine From: "Bill Cardell" --> Zenith-List message posted by: "Bill Cardell" Michel, Could you elaborate on the "valves don't last long before leaking"? Are you burning valves? Bill Cardell (TurboDog's Dad) www.flyinmiata.com 1-800-FLY-MX5S tech 970-242-3800 -----Original Message----- From: owner-zenith-list-server@matronics.com [mailto:owner-zenith-list-server@matronics.com] On Behalf Of Michel Therrien Sent: Tuesday, May 02, 2006 8:19 AM Subject: Zenith-List: CH601 engine --> Zenith-List message posted by: Michel Therrien Hi again! A friend and I recently made a significant decision. We both enjoy flying and building, and we were both interested in gaining more power for our aircrafts. My 601-HD is powered by a Subaru EA-81 that runs very well since last spring (before that, let say that the fine tuning effort was a never ending process). While the engine works well, I see my flying hours going up fast and it was a done decision that instead of eventually overhauling the engine again, I would have a real aircraft engine (I guess the fine tuning year affected me a bit). When we saw the Franklin engine sales on the net, we looked for what it involved. Then, a few weeks ago, we decided to make the plunge and buy 2 engines (one for me). The engine is now in my garage and I know what I'll be doing when I finish working around the house. I expect to fly behind a 125 hp engine next year! This said, I'll have for sale: - a complete (read complete) FWF installation (with engine, redrive, mount, prop, cowling, radiator, radiator mount, manifold, air box, exhaust, etc etc (approx 140h SMOH--I'd have to look at the engine log) - a second rebuilt subaru engine short bloc (perfect except one defective lifter) (approx. 100h SMOH) - a second set of heads - boxes of spare and complementary parts - a box of distributors - books, manuals, engine log - and whatever I forget now. The engine is fairly much tuned. I still find that valves do not last very long before leaking, but I would say the whole thing is pretty much satisfying (when we look at flying/maintenance hour ratio ;-) I will have that for sale somewhere in fall or winter when I'm ready to mount the new engine on the plane. In the mean time, I'll definitively continue to use it. Michel do not archive ---------------------------- Michel Therrien CH601-HD, C-GZGQ http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ________________________________ Message 9 _____________________________________ Time: 09:14:56 AM PST US From: JAPhillipsGA@aol.com Subject: Re: Zenith-List: One of those magical moments --> Zenith-List message posted by: JAPhillipsGA@aol.com Michel, thank you. For all of us whose Mothers have gone on, we appreciate your story. I was there in your plane with you and your Mother. I envy you your Sunday morning. Bill of Georgia do not archive ________________________________ Message 10 ____________________________________ Time: 09:18:11 AM PST US Subject: Zenith-List: Re: CorvAircraft> Dual Ignition toggle From: "Chris Lewis" --> Zenith-List message posted by: "Chris Lewis" Scott - I'm with you. Thanks for your efforts to document your build and share what you've learned with others. I'm just starting my Corvair teardown and your photos give me hope that my pile of parts will someday look bright and shiny new again. :D Chris in Seattle -------- 701 Scratch Builder Read this topic online here: http://forums.matronics.com/viewtopic.php?p=32328#32328 ________________________________ Message 11 ____________________________________ Time: 09:52:24 AM PST US From: Michel Therrien Subject: RE: Zenith-List: CH601 engine --> Zenith-List message posted by: Michel Therrien Not burning valves. Initially, my engine was running fairly lean and after 30-40 hours, intake valves would leak. Last year, when I installed my second engine which has a different cam from my 1st one, all genuide Subaru parts and ported heads, I also tuned the carburator. This time, after 100 hours, I had intake valves leaking again. I looked at with the the machinist and he found that the valve seat gets distorded. The seat for the intake valve is really close to the tip of the spark plug (when compared with the exhaust seat). And the spark plug threads extend right next to or even into the intake seat. I got a valve job done a month ago (it is a simple affair now that I'm used to it ;-) and this time, he ground the threads that should not be there (to reduce the surface area collecting heat)... we'll see. The valves were all nice. Michel do not archive --- Bill Cardell wrote: > --> Zenith-List message posted by: "Bill Cardell" > > > Michel, > Could you elaborate on the "valves don't last long > before leaking"? Are > you burning valves? > > ---------------------------- Michel Therrien CH601-HD, C-GZGQ http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ________________________________ Message 12 ____________________________________ Time: 10:01:18 AM PST US From: "Craig Payne" Subject: RE: Zenith-List: Re: CorvAircraft> Dual Ignition toggle --> Zenith-List message posted by: "Craig Payne" This was Mark Langford's quote from the installation instruction sheet that came with his 8210: "The MSD P/N 8210 Automatic Coil Selector may also be used without a changeover switch. Running the two units simultaneously will require more amperage and will shorten the time a battery will remain charged. Use this type of installation for short duration races". Nothing like this appears on the sheet that came with my unit marked "Revised 08/01". In either case no dire warnings, no instant destruction. People have spoken with MSD and received different answers. I suspect it is all a matter of degree and a big factor would be the operating temperature of the unit which in turn would be influenced by where and how it was mounted, etc. The competing unit is Mallory's 29000. I can't find much on it. The instructions may simple not address the point which leaves us free to assume both legs can be used simultaneously. I believe that both the MSD and Mallory units were dissected and found to contain differing numbers and type of diodes. Way-too much information on the subject can be found in the archives of the Corvair e-mail list at http://www.maddyhome.com/corvairsrch/index.jsp The "silent failure" issue is much more interesting to me. -- Craig ________________________________ Message 13 ____________________________________ Time: 10:44:58 AM PST US From: N5SL Subject: Zenith-List: Re: CorvAircraft> Dual Ignition - now- 701/Corvair NEWS! --> Zenith-List message posted by: N5SL Thank you Chris: I talked to William recently and he told me something that is noteworthy to you and other 701 builders (if you don't already know). William is driving this weekend to the ZAC Mexico, MO facility to pick up an entire 701 kit in a box and has plans for a world-record-speed-build of a CH701 with a Corvair engine. Since you are doing the same (but maybe not at world-speed-record pace) I suggest you find the time to fly to Florida to visit William's hangar during the later stages of this build. At the very least, you will have William's web updates with pictures of the Corvair installation in a 701. I have been following his 601XL/Corvair build and flight testing for a few years now and it has been a tremendous help with my project. You should reap some big rewards from his efforts. I suspect they will have the thing up and flying in a matter of months. The airplane will be owned by Merrill Isaacson who works at William's hangar. I can't wait to see what they come up with and how fast they accomplish this. The Heintz family has been working with William over the last few years to perfect the 601XL installation and I expect no less with the 701/Corvair installation. Good luck with your build, Scott Laughlin 601XL/Corvair www.cooknwithgas.com --- Chris Lewis wrote: > > Scott - I'm with you. Thanks for your efforts to > document your build and share what you've learned > with others. I'm just starting my Corvair teardown > and your photos give me hope that my pile of parts > will someday look bright and shiny new again. :D > > Chris in Seattle > -------- > 701 Scratch Builder __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ________________________________ Message 14 ____________________________________ Time: 12:41:30 PM PST US Subject: Zenith-List: Re: CorvAircraft> Dual Ignition - now- 701/Corvair NEWS! From: "Chris Lewis" --> Zenith-List message posted by: "Chris Lewis" That's great news. I'm heading to Cloverdale, CA this weekend for the Quality Sportsplanes Fly-in where I hope to see more. Florida is on my list. My 701 will not be standard. I've hesitated to post this due to responses like you received earlier, but I'm actually building a 701 at 110% of stock dimensions and using a 601 firewall, just so I can use the Corvair powerplant and go for 1320# gross. Now, before I get flamed, I spent two months reviewing the standard 701SP plans and reviewed every on-line 801 drawing I could get at Zenith's site. Only then did I calculate structural and material changes required to get a little more interior room, the higher GVW and the ability to use that lovely Corvair powerplant. I submitted 2 pages of proposed modifications to Chris Heintz for review and other than a suggestion for a .032" HT spar material thickness, my plans were approved. Mathieu tells me that my proposed mod's are very similar to the working calcs for the briefly mentioned CH750. And sorry, no, I won't share my changes with the open community as I don't want to be on the hook for anyone else's skin but my own... I'm glad to hear that William is giving it a go with the 701. His relationship with Zenith and the Heintz family can only bring good things for all who are appreciative of the harmonious ZenVair. Those who don't care for this combo are welcome to continue flaming away. We consider the source of all of the prattle that can fill these boards. To each, his or her own, and may everyone enjoy this amazing hobby. Thanks again to everyone in this community who have so freely shared USEFUL information with those of us who have chosen to LEARN, BUILD & FLY. Chris in Seattle -------- 701 Scratch Builder Read this topic online here: http://forums.matronics.com/viewtopic.php?p=32366#32366 ________________________________ Message 15 ____________________________________ Time: 01:46:36 PM PST US From: Fritz Gurschick Subject: Zenith-List: Re-- 701/Corvair NEWS! Congratulaions, Chris --> Zenith-List message posted by: Fritz Gurschick I take my hat off to you Chris--- congratulaions and my very best wishes. If my 701 could have had a William Wynn Corvair engine installed I probable would not have sold it. Don't pay any attention to the "flame throwers" but press on with pride. When WW gets done with what he does, it is bound to be another GREAT combination of William Wynn and Chris Heintz's accomplishments. Which will benefit those who respect, and appreciate what these two individuals have done for the experimental market.-------- Fritz do not archive Chris Lewis wrote: --> Zenith-List message posted by: "Chris Lewis" That's great news. I'm heading to Cloverdale, CA this weekend for the Quality Sportsplanes Fly-in where I hope to see more. Florida is on my list. My 701 will not be standard. I've hesitated to post this due to responses like you received earlier, but I'm actually building a 701 at 110% of stock dimensions and using a 601 firewall, just so I can use the Corvair powerplant and go for 1320# gross. Now, before I get flamed, I spent two months reviewing the standard 701SP plans and reviewed every on-line 801 drawing I could get at Zenith's site. Only then did I calculate structural and material changes required to get a little more interior room, the higher GVW and the ability to use that lovely Corvair powerplant. I submitted 2 pages of proposed modifications to Chris Heintz for review and other than a suggestion for a .032" HT spar material thickness, my plans were approved. Mathieu tells me that my proposed mod's are very similar to the working calcs for the briefly mentioned CH750. And sorry, no, I won't share my changes with the open community as I don't want to be on the hook for anyone else's skin but my own... I'm glad to hear that William is giving it a go with the 701. His relationship with Zenith and the Heintz family can only bring good things for all who are appreciative of the harmonious ZenVair. Those who don't care for this combo are welcome to continue flaming away. We consider the source of all of the prattle that can fill these boards. To each, his or her own, and may everyone enjoy this amazing hobby. Thanks again to everyone in this community who have so freely shared USEFUL information with those of us who have chosen to LEARN, BUILD & FLY. Chris in Seattle -------- 701 Scratch Builder Read this topic online here: http://forums.matronics.com/viewtopic.php?p=32366#32366 --------------------------------- Talk is cheap. Use Yahoo! Messenger to make PC-to-Phone calls. Great rates starting at 1¢/min. ________________________________ Message 16 ____________________________________ Time: 02:07:30 PM PST US From: "lynn dingfelder" Subject: Zenith-List: Ignition/ now paint --> Zenith-List message posted by: "lynn dingfelder" Brandon, What paint product did you choose, and why? Thanks Lynn Corry, PA ________________________________ Message 17 ____________________________________ Time: 02:12:29 PM PST US From: "KOBO" Subject: Re: Zenith-List: One of those magical moments --> Zenith-List message posted by: "KOBO" Wonderful story Michel. I'm sure your mother was proud of you and told all her friends of the experience. These are the moments we never forget. Michael Kolbasovsky ----- Original Message ----- From: "Michel Therrien" Sent: Tuesday, May 02, 2006 10:09 AM Subject: Zenith-List: One of those magical moments > --> Zenith-List message posted by: Michel Therrien > > Hi Group! When building, I always enjoyed those > inspiring messages that kept me motivated to work on > the project... so, here is one from me. > > Since a few weeks, I spend a lot more time working > around my house than flying. Saturday, familly and me > shuffled about 30 yards of earth and it was a long > day... Sunday early morning, nobody in my house wanted > to get out of bed and I decided it would be a unique > time to take a little break from working on the house > and go flying. > > Enroute to the airport, I called my mother in > Sherbrooke and we arranged to meet at Sherbrooke's > airport. After a quick weather and notam check with > the FSS I deposited my flight plan and prepared the > plane (my local airport is 10 minutes from home). > > Soon enough, I was flying, after a Pitts, a RV4 and 2 > ultralights took off. The route to Sherbrooke is not > that long (50 minutes), but the scenery is quite nice > and the weather was simply beautiful. There were no > clouds, no wind, no turbulences... a great day! > > After landing at CYSC, I saw my mother waiting for me > at the parking area. My mother is 65, suffers vertigo > when climbing on a chair and is normally not in a very > good physical shape... but Sunday, she was doing well, > smiling and asked me how it was in the air. She > wanted to try it for a ride! > > I said hello to some of my friends, found somebody to > take pictures (I did not have my camera and I did not > imagine she would ask me for that). And then, I taught > her how to sit in the plane. Soon after, we were > taking of from runway 31 for a short local flight > (over her house). She enjoyed it (even though she > would have prefered I fly straight all the way with no > turns). > > After a good breakfast, we said goodbye to each other > and I came back home, making some detours around areas > I like in Eastern Township (my uncle house near Magog, > Mount Orford, etc etc). > > I was home for lunch and then got back to work. > > Michel :-) > do not archive > > > ---------------------------- > Michel Therrien CH601-HD, C-GZGQ > http://mthobby.pcperfect.com/ch601 > http://www.zenithair.com/bldrlist/profiles/mthobby > http://pages.infinit.net/mthobby > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > > > ________________________________ Message 18 ____________________________________ Time: 03:09:39 PM PST US From: "Dave" Subject: RE: Zenith-List: RE: Re: CorvAircraft> Dual Ignition toggle --> Zenith-List message posted by: "Dave" The bore on my Rotax is 84mm (3.3"). I'm not sure what size the corvair has but I'll bet it's larger. The Rotax has a dual plug system with dual ignitions that are checked just like the Lycomings and other similar aircraft engines. I get a rpm drop when switching one off just like they do. And just like the others my ignition switch grounds out the ignition circuit so a switch failure is more apt to keep the engine running than kill it...but that's for Murphy to figure out. One check I do is when shutting down the engine I let turn off one set 5 seconds before the other. Shut down is smoother and I get a "Mag" check on shutdown too. Dave 601-HD 912ULS -----Original Message----- From: owner-zenith-list-server@matronics.com [mailto:owner-zenith-list-server@matronics.com]On Behalf Of Brandon The piston area of the lycos is so large that running both spark plugs will produce a much more complete fuel burn, as proven by the RPM drop on mag checks. The same results would likely not be realized in the corvair with such a small diameter piston, even with two spark plugs, so running both ignitions does not help there. ________________________________ Message 19 ____________________________________ Time: 03:43:03 PM PST US From: "Bill Naumuk" Subject: Re: Zenith-List: Flying Report: 601XL/Corvair --> Zenith-List message posted by: "Bill Naumuk" Phil- Yeah, baby! er-Let me know when you have some performance numbers. Gotta make this official! Bill ----- Original Message ----- From: "Phil Maxson" Sent: Monday, May 01, 2006 10:25 PM Subject: Zenith-List: Flying Report: 601XL/Corvair > --> Zenith-List message posted by: "Phil Maxson" > > This weekend, Gus Warren, flew my 601XL/Corvair from Edgewater, FL to my > home airport in Hackettstown, NJ. As many of you know, I completed my > engine in William's Hangar, and then took my plane back to them to finish > the cowling, paint and electrical system. Well, this weekend was the > culmination of my dream to build and fly my own airplane. Gus and I flew > around for a few days and he showed me how things work. And DOES IT EVER > WORK! Even with my limited experience in the plane I was making the > shortest take offs at my home field of all the planes out there. My plane > was able to make it to pattern altitude faster than I could have expected. > I don't have a vertical speed indicator so I can't give details, but it > climbs beautifully. This was worth waiting 6 years for! > > Best of all, when anyone sees it for the first time, they ask what kind of > plane it is and they are impressed, but when the find out it is Corvair > powered, they are really interested. > > I can't thank William Wynne and his gang at flycorvair.com enough. They > finished my plane, made it look beautiful, and then DELIVERED IT to me and > helped me become familiar with it. You don't find nice people like them > every day. > > There is a video of my plane on the flycorvair.com web site: > http://flycorvair.com/601mxvid.wmv > > Phil Maxson > N601MX > 601XL/Corvair > > > ________________________________ Message 20 ____________________________________ Time: 03:49:26 PM PST US From: Debo Cox Subject: Zenith-List: Pneumatic Blind Riveter Questions --> Zenith-List message posted by: Debo Cox Hi guys, Just got my new el-cheapo $24 Harbor Freight pneumatic riveter and wanted to ask a question or two about its operation since I've never really seen one in action. a. When I pull test rivets they set normally, but the mandrel doesn't seem like it's being pulled straight back. Pulled rivets appear to be bent slightly over to the left side. My hand-pulled rivets always seem to be pulled back squarely onto themselves. Is this: (a.) a loose or slipping jaw in the riveter, and (b.) ok if the rivet appears to be pulled slightly off-center? b. Is the mandrel supposed to be deposited in the plastic cup at the rear of the tool? Mine are staying in the nosepiece until I remove them by hand. I was thinking that this may be a symptom of a mis-adjusted jaw as well. Thanks for dealing with such mundane questions, but there are serious consequences if the rivets aren't being pulled correctly, so I thought I'd ask. Debo Cox 105 hours in. XL w/ Corvair Do not archive "A camel is a racehorse designed by a committee." --------------------------------- Yahoo! Messenger with Voice. PC-to-Phone calls for ridiculously low rates. ________________________________ Message 21 ____________________________________ Time: 04:14:33 PM PST US From: "n801bh@netzero.com" Subject: Re: Zenith-List: One of those magical moments --> Zenith-List message posted by: "n801bh@netzero.com" That is one of those "Moments" when having a plane makes it all very spe= cial... do not archive Ben Haas N801BH www.haaspowerair.com -- Michel Therrien wrote: --> Zenith-List message posted by: Michel Therrien Hi Group! When building, I always enjoyed those inspiring messages that kept me motivated to work on the project... so, here is one from me. Since a few weeks, I spend a lot more time working around my house than flying. Saturday, familly and me shuffled about 30 yards of earth and it was a long day... Sunday early morning, nobody in my house wanted to get out of bed and I decided it would be a unique time to take a little break from working on the house and go flying. Enroute to the airport, I called my mother in Sherbrooke and we arranged to meet at Sherbrooke's airport. After a quick weather and notam check with the FSS I deposited my flight plan and prepared the plane (my local airport is 10 minutes from home). Soon enough, I was flying, after a Pitts, a RV4 and 2 ultralights took off. The route to Sherbrooke is not that long (50 minutes), but the scenery is quite nice and the weather was simply beautiful. There were no clouds, no wind, no turbulences... a great day! After landing at CYSC, I saw my mother waiting for me at the parking area. My mother is 65, suffers vertigo when climbing on a chair and is normally not in a very good physical shape... but Sunday, she was doing well, smiling and asked me how it was in the air. She wanted to try it for a ride! I said hello to some of my friends, found somebody to take pictures (I did not have my camera and I did not imagine she would ask me for that). And then, I taught her how to sit in the plane. Soon after, we were taking of from runway 31 for a short local flight (over her house). She enjoyed it (even though she would have prefered I fly straight all the way with no turns). = After a good breakfast, we said goodbye to each other and I came back home, making some detours around areas I like in Eastern Township (my uncle house near Magog, Mount Orford, etc etc). = I was home for lunch and then got back to work. Michel :-) do not archive ---------------------------- Michel Therrien CH601-HD, C-GZGQ http://mthobby.pcperfect.com/ch601 http://www.zenithair.com/bldrlist/profiles/mthobby http://pages.infinit.net/mthobby __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around = http://mail.yahoo.com = =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D = = =

That is one of those "Moments" when having a plane makes i= t all very special...

do not archive


Ben Haas
N801BH
www.haaspowerair= .com

-- Michel Therrien <mtherr@yahoo.com>&n= bsp;wrote:
--> Zenith-List message posted by:&= nbsp;Michel Therrien <mtherr@yahoo.com>

Hi G= roup!  When building, I always enjoyed&nbs= p;those
inspiring messages that kept me moti= vated to work on
the project... so, her= e is one from me.

Since a few = weeks, I spend a lot more time workin= g
around my house than flying.  Saturda= y, familly and me
shuffled about 30 yar= ds of earth and it was a long
day.= .. Sunday early morning, nobody in my = ;house wanted
to get out of bed and&nbs= p;I decided it would be a unique
time&n= bsp;to take a little break from working&nb= sp;on the house
and go flying.

Enroute&nbs= p;to the airport, I called my mother = in
Sherbrooke and we arranged to meet a= t Sherbrooke's
airport.  After a quick = weather and notam check with
the FSS I&= nbsp;deposited my flight plan and prepared = ;the
plane (my local airport is 10 minu= tes from home).

Soon enough, I was = flying, after a Pitts, a RV4 and 2ultralights took off.  The route to = Sherbrooke is not
that long (50 minutes),&nb= sp;but the scenery is quite nice
and th= e weather was simply beautiful.  There&nbs= p;were no
clouds, no wind, no turbulences...=  a great day!

After landing at CYSC= , I saw my mother waiting for me
a= t the parking area.  My mother is&nbs= p;65, suffers vertigo
when climbing on a&nbs= p;chair and is normally not in a very=
good physical shape... but Sunday, she = ;was doing well,
smiling and asked me h= ow it was in the air.  She
wanted&= nbsp;to try it for a ride!

I said&n= bsp;hello to some of my friends, found&nbs= p;somebody to
take pictures (I did not = have my camera and I did not
imagine&nb= sp;she would ask me for that). And th= en, I taught
her how to sit in the=  plane.  Soon after, we were
taking&nbs= p;of from runway 31 for a short local=  flight
(over her house).  She enjoyed&= nbsp;it (even though she
would have prefered=  I fly straight all the way with = ;no
turns).  

After a good breakfast,=  we said goodbye to each other
and = ;I came back home, making some detours&nbs= p;around areas
I like in Eastern Township&nb= sp;(my uncle house near Magog,
Mount Orford,=  etc etc). 

I was home for lun= ch and then got back to work.

Miche= l :-)
do not archive


----------------------= ------
Michel Therrien CH601-HD, C-GZGQ
  = ;http://mthobby.pcperfect.com/ch601
  http://www.zenithair.= com/bldrlist/profiles/mthobby
  http://pages.infinit.net/mt= hobby

__________________________________________________
Do&nb= sp;You Yahoo!?
Tired of spam?  Yahoo! M= ail has the best spam protection around&nb= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=   - The Zenith-List Email Forum -
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________________________________ Message 22 ____________________________________ Time: 04:26:15 PM PST US From: ROBERT SCEPPA Subject: Re: Zenith-List: Pneumatic Blind Riveter Questions --> Zenith-List message posted by: ROBERT SCEPPA > Debo, I have used a similar tool on our Glastar > project. The mandrel is supposed to drop out of the > nose after the rivet is set. You might try opening > it and examining the jaws. Anyway good luck, see if > you get some answers from other users. Bob S. --- Debo Cox wrote: > --> Zenith-List message posted by: Debo Cox > > > Hi guys, > > Just got my new el-cheapo $24 Harbor Freight > pneumatic riveter and wanted to ask a question or > two about its operation since I've never really seen > one in action. > > a. When I pull test rivets they set normally, but > the mandrel doesn't seem like it's being pulled > straight back. Pulled rivets appear to be bent > slightly over to the left side. My hand-pulled > rivets always seem to be pulled back squarely onto > themselves. Is this: (a.) a loose or slipping jaw in > the riveter, and (b.) ok if the rivet appears to be > pulled slightly off-center? > > b. Is the mandrel supposed to be deposited in the > plastic cup at the rear of the tool? Mine are > staying in the nosepiece until I remove them by > hand. I was thinking that this may be a symptom of a > mis-adjusted jaw as well. > > Thanks for dealing with such mundane questions, > but there are serious consequences if the rivets > aren't being pulled correctly, so I thought I'd ask. > > Debo Cox > 105 hours in. > XL w/ Corvair > > Do not archive > > > "A camel is a racehorse designed by a committee." > > --------------------------------- > Yahoo! Messenger with Voice. PC-to-Phone calls for > ridiculously low rates. > > > > > browse > Subscriptions page, > FAQ, > http://www.matronics.com/Navigator?Zenith-List > > > Admin. > > > > > > > > > > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ________________________________ Message 23 ____________________________________ Time: 04:54:20 PM PST US From: "n801bh@netzero.com" Subject: Re: Zenith-List: Re: CorvAircraft> Dual Ignition - now- 701/Corvair NE WS! --> Zenith-List message posted by: "n801bh@netzero.com" I can vouch for the wonderful design and engineering that Chris Heintz d= id on the 801. When I floated my desire to install a V-8 Ford in my 801 = all the guys at the ZAC kinda wished me well but none expressed any real= doubt of the results. Now after reaching 100 hours I am sure the airfra= me is more then strong enough. It shows absolutely no signs of deforming= at all the attach points. The two real things that I fought through the= first few hours was... 1- Trying to keep the beast from overheating,... I have attributed t= hat to the fact that the 801 flys sooo slow the actual ram air pressure = going through the rad and oil cooler was not enough to exchange heat to = the airstream. Those issues are in the past.. 2- The one area that almost bit me was taking off with full flaps and = full power. I have a 0-150 mph airspeed indicator. I once tried to keep = the stick all the way back and let it fly off. Just as the needle came a= live, somewhere about 28 mph, the plane lifted off. Because of the rathe= r large prop blast the tail feathers work to a degree, the real problem= is that the flaperons when fully deployed are not effective at that slo= w of an airspeed. The plane torque rolled and tried to hurt me !!!!!!!! = Needless to say I will not repeat that stunt again, I will not rotate t= ill I see at least 35 mph now. With that all said, I LOVE my 801 .!!!!!= !!!!!!!!!!!!!!!!!!!!! = do not archive Ben Haas N801BH www.haaspowerair.com -- "Chris Lewis" wrote: --> Zenith-List message posted by: "Chris Lewis" That's great news. I'm heading to Cloverdale, CA this weekend for the Qu= ality Sportsplanes Fly-in where I hope to see more. Florida is on my lis= t. My 701 will not be standard. I've hesitated to post this due to response= s like you received earlier, but I'm actually building a 701 at 110% of = stock dimensions and using a 601 firewall, just so I can use the Corvair= powerplant and go for 1320# gross. Now, before I get flamed, I spent two months reviewing the standard 701S= P plans and reviewed every on-line 801 drawing I could get at Zenith's s= ite. Only then did I calculate structural and material changes required = to get a little more interior room, the higher GVW and the ability to us= e that lovely Corvair powerplant. I submitted 2 pages of proposed modifications to Chris Heintz for review= and other than a suggestion for a .032" HT spar material thickness, my = plans were approved. Mathieu tells me that my proposed mod's are very si= milar to the working calcs for the briefly mentioned CH750. And sorry, n= o, I won't share my changes with the open community as I don't want to b= e on the hook for anyone else's skin but my own... I'm glad to hear that William is giving it a go with the 701. His relati= onship with Zenith and the Heintz family can only bring good things for = all who are appreciative of the harmonious ZenVair. = Those who don't care for this combo are welcome to continue flaming away= . We consider the source of all of the prattle that can fill these board= s. To each, his or her own, and may everyone enjoy this amazing hobby. Thanks again to everyone in this community who have so freely shared USE= FUL information with those of us who have chosen to LEARN, BUILD & FLY. Chris in Seattle -------- 701 Scratch Builder Read this topic online here: http://forums.matronics.com/viewtopic.php?p=3D32366#32366 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D = = =

I can vouch for the wonderful design and engineering that Chris= Heintz did on the 801. When I floated my desire to install a V-8 F= ord in my 801 all the guys at the ZAC kinda wished me well but none= expressed any real doubt of the results. Now after reaching 100 hours I= am sure the airframe is more then strong enough. It shows absolutely no= signs of deforming at all the attach points. The two real things that I= fought through the first few hours was...

1-     Trying to keep the beast from overheating,= ... I have attributed that to the fact that the 801 flys sooo slow the a= ctual ram air pressure going through the rad and oil cooler was not= enough to exchange heat to the airstream. Those issues are in the past.= .

2-   The one area that almost bit me was taking off with fu= ll flaps and full power. I have a 0-150 mph airspeed indicator. I once t= ried to keep the stick all the way back and let it fly off. Just as= the needle came alive, somewhere about 28 mph, the plane lifted off. Be= cause of the rather large  prop blast the tail feathers work to a d= egree, the real problem is that the flaperons when fully deployed a= re not effective at that slow of an airspeed. The plane torque rolled an= d tried to hurt me !!!!!!!!  Needless to say I will not repeat that= stunt again, I will not rotate till I see at least 35 mph now.  Wi= th that all said, I LOVE my 801 .!!!!!!!!!!!!!!!!!!!!!!!!!!

 

do not archive

Ben Haas
N801BH
www.haaspowerair.com=

-- "Chris Lewis" <christopherlewis@earthlink.n= et> wrote:
--> Zenith-List message posted&n= bsp;by: "Chris Lewis" <christopherlewis@earthlink.net&= gt;

That's great news. I'm heading to&nb= sp;Cloverdale, CA this weekend for the Qua= lity Sportsplanes Fly-in where I hope to&n= bsp;see more. Florida is on my list.
My 701 will not be standard. I've h= esitated to post this due to responses&nbs= p;like you received earlier, but I'm actua= lly building a 701 at 110% of stock&n= bsp;dimensions and using a 601 firewall, j= ust so I can use the Corvair powerpla= nt and go for 1320# gross.

Now, bef= ore I get flamed, I spent two months&= nbsp;reviewing the standard 701SP plans and&nbs= p;reviewed every on-line 801 drawing I cou= ld get at Zenith's site. Only then di= d I calculate structural and material chan= ges required to get a little more int= erior room, the higher GVW and the ab= ility to use that lovely Corvair powerplan= t.

I submitted 2 pages of proposed = modifications to Chris Heintz for review a= nd other than a suggestion for a .032= " HT spar material thickness, my plans&nbs= p;were approved. Mathieu tells me that my&= nbsp;proposed mod's are very similar to th= e working calcs for the briefly mentioned&= nbsp;CH750. And sorry, no, I won't share&n= bsp;my changes with the open community as&= nbsp;I don't want to be on the hook&n= bsp;for anyone else's skin but my own...
I'm glad to hear that William is&nbs= p;giving it a go with the 701. His&nb= sp;relationship with Zenith and the Heintz = ;family can only bring good things for&nbs= p;all who are appreciative of the harmonio= us ZenVair. 

Those who don't care f= or this combo are welcome to continue = ;flaming away. We consider the source of&n= bsp;all of the prattle that can fill = these boards. To each, his or her own= , and may everyone enjoy this amazing = ;hobby.

Thanks again to everyone in this=  community who have so freely shared = USEFUL information with those of us who&nb= sp;have chosen to LEARN, BUILD & FLY.<= BR>
Chris in Seattle

--------
701 Scratch&nb= sp;Builder




Read this topic online = ;here:

http://forums.matronics.com/viewtopic.php?p=3D32366#32366<= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= se the Matronics List Features Navigator t= e Search & Download, 7-Day Browse, Cha= sp;           &nb= sp;           &nb= sp;           &nb= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=            - = out the All New Matronics Email List = p;           &nbs= p;           &nbs= p;           &nbs= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= sp;      - List Contribution&nbs= nbsp;           &= nbsp;           &= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D



 
 
 



________________________________ Message 24 ____________________________________ Time: 05:17:00 PM PST US From: Brandon Tucker Subject: Zenith-List: RE: Paint --> Zenith-List message posted by: Brandon Tucker Lynn, I am using PPG one coat urethane. I just painted one wing, and will start on the other wing when I return from All Red Star on Sunday. I am not a very good painter, but results can be deceiving with this product. It goes on like silk, and is almost as tough as powder coat. I'll never shoot acrylic enamel again. As soon as I get the other wing painted, I will update my website with fresh pics. I am doing it very differently from most guys and painting as I build. For me, it is much easier, and breaks up the painting task. I painted the underside of the center wing and aft fuselage before joining them together (pic on website), and painted the tail, side fuse, top fuse, cowling, and wings all separately. It could be prettier, but then it could be a whole lot more expensive too. I just don't let anyone within 5 feet of the plane so they can't see the paint defects! Nothing wet sanding and buffing can't fix, but I'll save that for after it is flying... I'll get anyone the part numbers of the paint if you are having problems finding it, but PPG one coat urethane should suffice. It is quite expensive, but worth it. I think I am down $800 for paint, but I can't remember, and really don't want to know. R/ Brandon __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ________________________________ Message 25 ____________________________________ Time: 05:24:24 PM PST US From: Brandon Tucker Subject: Zenith-List: RE: RE: Re: CorvAircraft> Dual Ignition toggle --> Zenith-List message posted by: Brandon Tucker Dave, You are correct. The corvair stock cylider size is 87.2998mm. If you get an RPM drop on the Rotax at 84mm, we probably would on the Corvair with two spark plugs. Thank you for chiming in. I sit corrected... R/ Brandon __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ________________________________ Message 26 ____________________________________ Time: 05:43:52 PM PST US From: Paul Mulwitz Subject: Re: Zenith-List: Pneumatic Blind Riveter Questions --> Zenith-List message posted by: Paul Mulwitz Hi Debo, Yes the stems normally are left in the front of the nose piece and fall out if you tip the gun down. Sometimes they get jammed and you wind up smacking them a little and they wind up in the little plastic cup in the back. I think the cup is just to keep from sending the odd stem flying back at the user. I too had plenty of problems with rivets not set completely straight with the work piece. I think this is a natural problem with the shape of the rivet heads we use and the very narrow nose piece front end. I solved it for most uses by making nose pieces with wide front ends. That makes it easier to see when the nose piece is aligned with the surface of the work piece. This can't be used in all cases - it seems to make the rivets even more crooked when they are set at a really bad angle. For those cases you can use the narrow nose piece or a special one with the front end ground at an angle. I think this is a bigger problem with the pneumatic riveter than the hand riveter because of the speed the rivet is pulled. With the hand riveter the process is so slow you can realign the rivet as you are pulling it to make it straighter. That is not an option when it is all pulled quickly by the air. It is much more critical that your rivet stem is at a right angle to the work piece when you pull the trigger. One last little bit - When I made the first few new nose pieces on my lathe I didn't get the back end the right length. This caused strange effects including requiring two pulls of the trigger to get the rivet stem to break and rivets getting jammed in the riveter. I found that if I made the ratio of the back portion of the nose piece to the diameter of the rivet stem the same as all the nose pieces included with the riveter all the problems go away. I know this sounds complicated but is really simple in practice. Anyone who gets in this little mess is welcome to write to me for a little help. Good luck, Paul XL wings At 03:48 PM 5/2/2006, you wrote: >Just got my new el-cheapo $24 Harbor Freight pneumatic riveter and >wanted to ask a question or two about its operation since I've never >really seen one in action. > > a. When I pull test rivets they set normally, but the mandrel > doesn't seem like it's being pulled straight back. Pulled rivets > appear to be bent slightly over to the left side. My hand-pulled > rivets always seem to be pulled back squarely onto themselves. Is > this: (a.) a loose or slipping jaw in the riveter, and (b.) ok if > the rivet appears to be pulled slightly off-center? > > b. Is the mandrel supposed to be deposited in the plastic cup at > the rear of the tool? Mine are staying in the nosepiece until I > remove them by hand. I was thinking that this may be a symptom of a > mis-adjusted jaw as well. > > Thanks for dealing with such mundane questions, but there are > serious consequences if the rivets aren't being pulled correctly, > so I thought I'd ask. > > Debo Cox > 105 hours in. > XL w/ Corvair --------------------------------------------- Paul Mulwitz 32013 NE Dial Road Camas, WA 98607 --------------------------------------------- ________________________________ Message 27 ____________________________________ Time: 08:47:34 PM PST US From: "Bruce Bockius" Subject: RE: [aviation] Re: Zenith-List: Re: CorvAircraft> Dual Ignition toggle --> Zenith-List message posted by: "Bruce Bockius" FWIW I have an MSD coil joiner on my Stratus engine and have run with both ignitions continuously for 490 hours now without problems. Each ignition system has its own switch to preclude a switch failure resulting in engine failure. -Bruce/601HD/TDO/Stratus ********************* Bruce Bockius Black Forest, CO, USA http://www.WhiteAntelopeSoftware.com/zodiac bruce@WhiteAntelopeSoftware.com -----Original Message----- From: owner-zenith-list-server@matronics.com [mailto:owner-zenith-list-server@matronics.com] On Behalf Of Paul Mulwitz Sent: Monday, May 01, 2006 7:51 AM Subject: [aviation] Re: Zenith-List: Re: CorvAircraft> Dual Ignition toggle --> Zenith-List message posted by: Paul Mulwitz This whole diatribe leaves me with two big questions: 1. What is wrong with having both ignitions operating at once as is commonly done on certified aircraft engines? This allows the pilot to spend his attention on flying the plane instead of managing the engine in the (apparently common for William's resurrected Corvair engines) event of an ignition failure. 2. I find it ironic that a salesman who says the weakest part of his customer's system is the customer gets such a zealous following. Paul XL wings do not archive >A lot of people get focused on hardware in the ignition system and loose >sight of the >Two main points: It must work as a complete system and you must recognize >that the pilot is the weakest link in the plane. Here is what we fly, and >why we set it up this way: --------------------------------------------- Paul Mulwitz 32013 NE Dial Road Camas, WA 98607 ---------------------------------------------