Zenith-List Digest Archive

Wed 10/10/07


Total Messages Posted: 49



Today's Message Index:
----------------------
 
     1. 01:17 AM - Re: Hirth Engine (chrisoz@bmail.com.au)
     2. 02:07 AM - Re: Re: Open Hangar day Zenith Factory (Paul Mulwitz)
     3. 03:05 AM - Re: Re: Open Hangar day Zenith Factory (Jonathan Starke)
     4. 03:52 AM - Re: Re: XL Landing Gear (Debo Cox)
     5. 04:22 AM - Safety wire twister (Geoff Heap)
     6. 04:32 AM - Like to see a 601 HD or XL (Woody sulloway)
     7. 05:13 AM - Re: Like to see a 601 HD or XL (Craig Payne)
     8. 06:14 AM - Re: Contact Magazine (ashontz)
     9. 06:35 AM - Re: Re: Auto Conversion Discussion. (MacDonald Doug)
    10. 06:45 AM - Re: Auto Conversion Discussion. (n85ae)
    11. 06:47 AM - Re: Hirth aircraft engines (MacDonald Doug)
    12. 06:49 AM - Re: Re: Auto Conversion Discussion. ()
    13. 08:20 AM - Re: Auto Conversion Discussion. (Gig Giacona)
    14. 08:42 AM - Re: Re: Sorry Guys it is another long winded response (William Dominguez)
    15. 09:30 AM - ZINC CHROMATE:UPDATE (GLJSOJ1)
    16. 09:32 AM - Re: Like to see a 601 HD or XL (GLJSOJ1)
    17. 09:50 AM - Re: Re: Auto Conversion Discussion. (MacDonald Doug)
    18. 10:02 AM - access panels (Carlos Sa)
    19. 10:30 AM - Instrument Panel Access (John Davis)
    20. 11:15 AM - Re: Vixen file with holder ()
    21. 11:58 AM - Re: access panels (DaveG601XL)
    22. 12:02 PM - Bending the main gear (and the nose gear fork) (tigermiller)
    23. 12:23 PM - Re: Instrument Panel Access (Jaybannist@cs.com)
    24. 12:34 PM - Wing Spars Done! Bolts? (Kafka, Jeff)
    25. 01:05 PM - Re: Wing Spars Done! Bolts? (Bryan Martin)
    26. 01:14 PM - Re: Wing Spars Done! Bolts? (Beckman, Rick)
    27. 01:20 PM - Re: CH701 Usable Fuel (milreed)
    28. 01:23 PM - Re: Wing Spars Done! Bolts? (MacDonald Doug)
    29. 01:45 PM - Fw: Instrument Panel Access (Schloss)
    30. 01:58 PM - Re: Bending the main gear (and the nose gear fork) (Gary Boothe)
    31. 02:19 PM - Re: Instrument Panel Access (Gig Giacona)
    32. 02:42 PM - Re: Instrument Panel Access (VideoFlyer@aol.com)
    33. 02:57 PM - Re: Re: XL Landing Gear (David Downey)
    34. 03:07 PM - Re: Re: Auto Conversion Discussion. (Bill Naumuk)
    35. 03:07 PM - Re: Instrument Panel Access (Graeme)
    36. 03:10 PM - Re: Re: Instrument Panel Access (Jaybannist@cs.com)
    37. 03:12 PM - Re: Wing Spars Done! Bolts? (Bryan Martin)
    38. 03:49 PM - Re: Instrument Panel Access (GLJSOJ1)
    39. 04:56 PM - Re: CH701 Usable Fuel (kmccune)
    40. 04:59 PM - Re: Bending the main gear (and the nose gear fork) (kmccune)
    41. 05:07 PM - Re: Re: Bending the main gear (and the nose gear fork) (Gary Boothe)
    42. 05:30 PM - Re: Re: Instrument Panel Access (Gary Ray)
    43. 05:43 PM - Re: Instrument Panel Access (Bob Unternaehrer)
    44. 06:22 PM - Re: Instrument Panel Access (Jaybannist@cs.com)
    45. 07:19 PM - Re: Bending the main gear (and the nose gear fork) (kmccune)
    46. 07:29 PM - Re: Re: Instrument Panel Access (Southern Reflections)
    47. 07:42 PM - Re: access panels (Ron Lendon)
    48. 07:56 PM - Re: Wing Spars Done! Bolts? (Ron Lendon)
    49. 08:54 PM - Re: Instrument Panel Access (T. Graziano)
 
 
 


Message 1


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    Time: 01:17:30 AM PST US
    Subject: Re: Hirth Engine
    From: chrisoz@bmail.com.au
    Hello Martyn, you are right, they are too good to be true. The engines run beatifully when they run, but have a serious reliability issue. A friend of mine had the 100hp 3 cylinder version, and had two engine failures within the first 50 hours. When he tried to contact Hirth after the second one, they just ignored him and never answered back. The customer service is attrocious, and even with the advantage of speakin german you can not get them to talk to you. It is a shame as Hirth is one of the oldest aircraft engine manufacturers in the world, dating back to the 1920s. But the current Hirth is not comparable to those reliable engines from Klemm and Luftwaffe days. I would take a Subaru any day over a Hirth, but that is a bit heavy for the 701. By far the best choice for the 701 remains the 912, there were a few on ebay a short time ago, new for $10,000 each, the price of a Hirth... Cheers, Chris from Perth, Australia > Good Day all, > > I have gone through the archives and I have not found anything really > conclusive regarding Hirth powerplants as a viable alternative. > > The 3 cylinder 100 HP fuel injected 2 stroke, weighing in at 45kg's > (99lb's) seems too good to be true. > > Anybody out there that runs a Hirth or knows of someone who has one. I'd > really like to get their feedback regarding these engines. > > Blue Skies everyone, > > Martyn Ward > CH701 ZU-DPL > > Do Not Archive > >


    Message 2


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    Time: 02:07:24 AM PST US
    From: Paul Mulwitz <psm@ATT.NET>
    Subject: Re: Open Hangar day Zenith Factory
    Hi Martyn, That HIrth engine does sound too good to be true. This is the first I've heard of it, so I can't add to the information pool. I would like to ask you to relay any information you get back to this group, though. The weight and horsepower sound ideal for the 601 and perhaps even a little on the high power side for the 701. It would be great if we had another engine to add to the fray. Paul XL, fuselage, Jabiru 3300 do not archive At 10:37 PM 10/9/2007, you wrote: > >Good Day all, > >I have gone through the archives and I have not found anything really >conclusive regarding Hirth powerplants as a viable alternative. > >The 3 cylinder 100 HP fuel injected 2 stroke, weighing in at 45kg's >(99lb's) seems too good to be true. > >Anybody out there that runs a Hirth or knows of someone who has one. I'd >really like to get their feedback regarding these engines. > >Blue Skies everyone, > >Martyn Ward >CH701 ZU-DPL > >Do Not Archive


    Message 3


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    Time: 03:05:01 AM PST US
    From: "Jonathan Starke" <jonathan@entry.co.za>
    Subject: Re: Open Hangar day Zenith Factory
    Martyn, You should get hold of Donald Williamson, in Cape Town.. I don't have his number, but his website is: www.produx.co.za He has a Hirth installed in his RANS S10. Cheers Jonathan Starke


    Message 4


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    Time: 03:52:01 AM PST US
    From: Debo Cox <sky_ranger161@yahoo.com>
    Subject: Re: XL Landing Gear
    Hey Dave, That sounds like exactly what I was thinking would work. I'm still a long way from bending mine, but would love to see the pics and read the details of your method when you make it happen. Good luck with it! Debo Cox Scratch-built XL/Corvair Nags Head, NC do not archive


    Message 5


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    Time: 04:22:47 AM PST US
    Subject: Safety wire twister
    From: "Geoff Heap" <stol10@comcast.net>
    Can anyone recommend one of the cheap wire twisters from Assco. Thanks...Geoff Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139136#139136


    Message 6


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    Time: 04:32:12 AM PST US
    From: "Woody sulloway" <sulloway@clis.com>
    Subject: Like to see a 601 HD or XL
    Hi folks, I'm based in coastal North Carolina, Morehead City and interested in buying A Zenith 601. If anyone has one that I could visit to see and sit in, I'd appreciate it. I'm going to be in Atlanta next week from the 17th through the 21st if any one has one I could visit in the Atlanta area feel free to contact me here or off list. Thanks, Woody Sulloway


    Message 7


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    Time: 05:13:46 AM PST US
    From: "Craig Payne" <craig@craigandjean.com>
    Subject: Like to see a 601 HD or XL
    You could visit AMD in Eastman, Georgia (outside of Macon) and sit in one of their factory-built 601XL's. But it looks like it is about two hours from Atlanta: "Directions from Atlanta to AMD in Eastman GA. Take I-75 South to Macon (one hour). Stay on I-75. Do not take the by-pass at Macon. Take I-16 to highway 23 (10 min.). Exit #6 Take 23 South/East to Eastman (50 min.) " www.newplane.com -- Craig


    Message 8


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    Time: 06:14:30 AM PST US
    Subject: Re: Contact Magazine
    From: "ashontz" <ashontz@nbme.org>
    Good for you. And other people actually enjoy building experimental aircraft, hence the seperate certification. [quote="j.e.tiethoff(at)hccnet.nl"]Well I'm NOT ! I believe in aircraft engines, NOT the middele age stuff (lycoming, big is not beautifull !) or automotive use. Rotax is my favourite. Designed for aircraft use, well built, mean and lean. Met vriendelijke groet, Eric Tiethoff j.e.tiethoff@hccnet.nl (j.e.tiethoff@hccnet.nl) tel: 0031 35 6247726 fax: 0031 84 7208379 gsm: 0031 61 2365880 > > -----Oorspronkelijk bericht----- > Van: owner-zenith-list-server@matronics.com [mailto:owner-zenith-list-server@matronics.com] Namens n801bh@netzero.com > Verzonden: dinsdag 9 oktober 2007 0:44 > Aan: zenith-list@matronics.com > Onderwerp: Re: Contact Magazine > > > > I have received that magazine for a few years now. Good articles and pretty honest in all the reviews they do on various auto engine conversions. I am a BIG auto engine conversion believer YMMV. > > do not archive > > > Ben Haas > N801BH > www.haaspowerair.com > > -- "ashontz" wrote: > > http://www.contactmagazine.com/contact1.html > > Does anyone receive this? This looks like what the old EAA Experimenter magazine used to be before they stopped publishing it and instead started putting on the new glossy ad filled rag. > > -------- > Andy Shontz > CH601XL - Corvair > www.mykitlog.com/ashontz > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=138813#138813 > > ========================bsp; - The Zenith-List Em============================================== > > > > > > href="http://www.matronics.com/Navigator?Zenith-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com > > > > > Mijn Postvak In wordt beschermd door SPAMfighter 1632 spam-mails zijn er tot op heden geblokkeerd. Download de gratis SPAMfighter (http://www.spamfighter.com/lnl) vandaag nog! > [b] -------- Andy Shontz CH601XL - Corvair www.mykitlog.com/ashontz Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139153#139153


    Message 9


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    Time: 06:35:30 AM PST US
    From: MacDonald Doug <dougsnash@yahoo.com>
    Subject: Re: Auto Conversion Discussion.
    NASA is running some kind of Personal Aerial Vehicle competition kind of like an X-Prize. The idea is that it will be a first step toward a "Jettson's" world where we have Aerial Vehicles instead of cars. Doug MacDonald CH-701 Scratch Builder NW Ontario, Canada --- Bob Unternaehrer <shilocom@mcmsys.com> wrote: > What is PAV, Bob U. > ----- Original Message ----- > From: MacDonald Doug > To: zenith-list@matronics.com > Sent: Tuesday, October 09, 2007 8:28 AM > Subject: Re: Zenith-List: Re: Auto Conversion > Discussion. > > > <dougsnash@yahoo.com> > > One of the PAV competitors is finding this issue > with > GM. They initially got very good support from GM > with > the idea of using the LS series V8 but after a > "Changing of the Guard" at GM, suddenly GM pulled > their support. The PAV manufacturer says he is in > discussions with Toyota now. > > Oh well, GM's loss on this high profile project. > > Doug MacDonald > CH-701 Scratch builder > NW Ontario >


    Message 10


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    Time: 06:45:22 AM PST US
    Subject: Re: Auto Conversion Discussion.
    From: "n85ae" <n85ae@yahoo.com>
    Sounds like time to buy a heavy duty Kevlar Umbrella .... That plus all the car parts flying around up there ... Jeff Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139161#139161


    Message 11


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    Time: 06:47:43 AM PST US
    From: MacDonald Doug <dougsnash@yahoo.com>
    Subject: Re: Hirth aircraft engines
    If you want to start a really good "Scotchbrite" type debate on another group, go to: http://groups.yahoo.com/group/engines-ul/ and ask some Hirth questions. There is quite an active Rotax vs Hirth debate on that group. Doug MacDonald CH-701 Scratch Builder NW Ontario, Canada --- Paul Mulwitz <psm@att.net> wrote: > <psm@att.net> > > Hi Martyn, > > That HIrth engine does sound too good to be true. > > This is the first I've heard of it, so I can't add > to the information > pool. I would like to ask you to relay any > information you get back > to this group, though. The weight and horsepower > sound ideal for the > 601 and perhaps even a little on the high power side > for the 701. > > It would be great if we had another engine to add to > the fray. > > Paul > XL, fuselage, Jabiru 3300 > do not archive


    Message 12


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    Time: 06:49:35 AM PST US
    From: <dredmoody@cox.net>
    Subject: Re: Auto Conversion Discussion.
    You mean that there are people out there who actually don't have their own airplanes yet???? Dred ---- MacDonald Doug <dougsnash@yahoo.com> wrote: > > NASA is running some kind of Personal Aerial Vehicle > competition kind of like an X-Prize. The idea is that > it will be a first step toward a "Jettson's" world > where we have Aerial Vehicles instead of cars. > > Doug MacDonald > CH-701 Scratch Builder > NW Ontario, Canada


    Message 13


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    Time: 08:20:10 AM PST US
    Subject: Re: Auto Conversion Discussion.
    From: "Gig Giacona" <wr.giacona@suddenlink.net>
    Welcome Joe, to the land of the groundless law suit, otherwise known as the USA. BUT, I never said they would would be found liable for the use of one of their engines in a homebuilt. There are vendors of parts out there that will not ship you their auto parts if they have reason to think you are putting them in an aircraft. Joemotis(at)aol.com wrote: > > Come out of your shell man. > On what farthest stretch of the imagination of liability do you think that GM or whomever could sue you for using a device in an situation of your own risk and peril?I.E. way the heck out of their published design parameters?? > You had better not ever look at another fan belt because it might come off and smite you. > Jesus H. Farkin Christ. > > Joe Motis > Do not archive > -------- W.R. &quot;Gig&quot; Giacona 601XL Under Construction See my progress at www.peoamerica.net/N601WR Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139174#139174


    Message 14


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    Time: 08:42:22 AM PST US
    From: William Dominguez <bill_dom@yahoo.com>
    Subject: Re: Sorry Guys it is another long winded response
    The 582 is too weak for a 601. The failures in questions are from the 912 family and some could have been caused by fuel starvation. It seems like the Rotax was the most common engine used in earlier Zodiacs so this could be the reason why there are more failures of Rotax in the NTSB accident database. William Dominguez Zodiac 601XL Plans Miami, Florida Graeme <graeme@coletoolcentre.com.au> wrote: I would be surprised that the majority of engine failures would be behind Rotax engines. Do people use 582 two strokes in 601 I would assume so as they have about the same performance as the old 2200 Jabiru. The two strokes are definatly not as reliable as the 912 four stroke . If they are 912 failures are fuel starvation problems classed as an engine failure??? Graeme Cairns ----- Original Message ----- From: William Dominguez To: zenith-list@matronics.com Sent: Wednesday, October 10, 2007 5:05 AM Subject: Re: Zenith-List: Re: Sorry Guys it is another long winded response Thanks, I did what you described but only for engines flying in Zodiac 601 airframes. The majority of Zodiacs accidents where engine failure was the cause happened with Rotax engines. However, this is not valid statistic since Rotax could be the most common engine used in Zodiacs. There where a couple of Lycoming, a couple of Subarus but not Corvairs or Jabirus. But then again, without knowing how many of them have been flying, this is inconclusive. If I get some time one of these days I'll get this as failures as percentage of engine flying in Zodiacs. William Dominguez Zodiac 601XL Plans Miami Florida. steveadams <dr_steve_adams@yahoo.com> wrote: --> Zenith-List message posted by: "steveadams" bill_dom(at)yahoo.com wrote: > > Can you show me href="http://www.matronics.com/Navigator?Zenith-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com --------------------------------- Free Release Date: 9/10/2007 4:43 PM


    Message 15


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    Time: 09:30:01 AM PST US
    Subject: ZINC CHROMATE:UPDATE
    From: "GLJSOJ1" <gljno10@HOTMAIL.COM>
    HI GUYS JUST CAME BACK FROM GETTING MY "LAST" CAN OF ZINC CHROMATE FROM THE LOCAL BOAT REPAIR SHOP AND WAS TOLD THAT THE MANUFACTURE (TEMPO) IS NO LONGER MAKING IT. THERE IS ANOTHER COMPANY (MOLLER) (MS) THAT WILL BE PICKING IT UP. ANY WAY MY NEXT PROJECT WON'T USE ZINC CHROMATE. GLENN -------- 601XL BUILDER ALMOST DONE CHESAPEAKE VA Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139185#139185


    Message 16


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    Time: 09:32:48 AM PST US
    Subject: Re: Like to see a 601 HD or XL
    From: "GLJSOJ1" <gljno10@HOTMAIL.COM>
    HI WOODY IF YOU ARE EVER CLOSE TO CHESAPEAKE MY 601 IS WHERE YOU CAN SIT IN IT, AND I HAVE A FRIEND JORDAN THAT HAS A ZODIAC FLYING. AT THE AIRPORT. GLENN -------- 601XL BUILDER ALMOST DONE CHESAPEAKE VA Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139186#139186


    Message 17


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    Time: 09:50:52 AM PST US
    From: MacDonald Doug <dougsnash@yahoo.com>
    Subject: Re: Auto Conversion Discussion.
    An example of this is when I went to the local Ski-Doo dealer to by some recoil parts for my 503 Rotax ultrlight engine. He said "These aren't going on an aircraft, are they?" Wink Wink. He explained that Ski-Doo forbade them to sell Ski-Doo parts for ultralight aircraft engines. Makes no sense to me but those are the rules. Doug MacDonald NW Ontario, Canada --- Gig Giacona <wr.giacona@suddenlink.net> wrote: > <wr.giacona@suddenlink.net> > > Welcome Joe, to the land of the groundless law suit, > otherwise known as the USA. BUT, I never said they > would would be found liable for the use of one of > their engines in a homebuilt. > > There are vendors of parts out there that will not > ship you their auto parts if they have reason to > think you are putting them in an aircraft. > >


    Message 18


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    Time: 10:02:31 AM PST US
    From: "Carlos Sa" <carlossa52@gmail.com>
    Subject: access panels
    Hello, all I want to install access panels on the (CH601-HD) wing tip, forward of the spar. I would like these to be fairly large (diameter of about 25 cm / 10 inches), so I can install and service the strobe later. I would like to use nut plates and flat had screws, so it has a nice appearance. Can someone recommend parts (part number, source) and tools for the job? It seems such a simle thing to make, but I stared at the AS&S catalog last night and couldn't figure which parts / tools to use. I figure dimpling will be necessary, but have no such tools at this time. Thanks in advance for any suggestions. Carlos CH601-HD, plans Montreal, Canada


    Message 19


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    Time: 10:30:36 AM PST US
    From: John Davis <johnd@data-tech.com>
    Subject: Instrument Panel Access
    Hi All, I'm just wrapping up my electrical work and am getting close to putting on the front skin over the panel area. Riveting it per the factory seems to be a poor choice since I wont have any easy access to the rear of the panel. So it seems like the options are: A) Install nutplates or similar and make the entire skin removable. As I have a QB kit their are already 90+ rivet holes that would have to be fitted, so thats a lot of work. B) Install the skin permanently but add a couple of access panels on the top. Seems like several folks on the list are doing this. My only concern with this approach would be water leaking under the access panel. Any ideas as to how to prevent/avoid this issue ? Your thoughts/Ideas ? Thanks in advance, John Davis Burnsville, NC 601XL QB - Jab 3300


    Message 20


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    Time: 11:15:11 AM PST US
    From: <paulrod36@msn.com>
    Subject: Re: Vixen file with holder
    I got one of Airparts's vixen files back when they were carrying the conversions (shortened to about 2" and with a large washer for a handle epoxied on top), and I like it. Works very well. One other thing to do with it, though, if you're making one, is to hone down the sharp edges of the teeth a little bit, to keep it from trying to bit the sheet metal. A session with some valve grinding compound on a sheet of glass would reduce the biting ability, and polish the (now) sliding surface. Paul Rodriguez ----- Original Message ----- From: Larry Winger<mailto:larrywinger@gmail.com> To: zenith-list@matronics.com<mailto:zenith-list@matronics.com> Sent: Tuesday, October 09, 2007 9:14 AM Subject: Re: Zenith-List: Vixen file with holder I put my 10" vixen file in the vise and snapped it off to the length I needed. I then hot glued it to a piece of wood. It has worked great for 700 hours of building. Larry Winger 601XL/Corvair scratchbuilding On 10/9/07, Robert Schoenberger <hrs1@frontiernet.net<mailto:hrs1@frontiernet.net>> wrote: <hrs1@frontiernet.net <mailto:hrs1@frontiernet.net>> List . . . there was a post a while back by someone who had obtained a short (1.5") Vixen file with a handle attached. The name of the supplying company indicated in the e-mail was Airparts, but they don't carry this item. Can anyone supply me with info on where one can buy a fairly short Vixen file with handle attached.to<http://attached.to/> the top side? One catalog listed Vixen files that were flexible - what is that all about. http://www.matronics.com/Navigator?Zenith-List<http://www.matronics.com/N avigator?Zenith-List>


    Message 21


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    Time: 11:58:37 AM PST US
    Subject: Re: access panels
    From: "DaveG601XL" <david.m.gallagher@ge.com>
    Carlos, The only supplies you will need are MS21075L3 nut plates, MS20426AD3-2 rivets (2 per nut plate) and a screw AN525-10R7 per nut plate. Tools will be a drill and snips to cut the holes needed. You do not need to dimple the rivet heads if you do not want. I have countersunk mine. You can use a hammer and flat punch to set the rivets if you do not have a rivet gun. Here is a picture of the hole in my XL wing tip showing the strobe pack inside. It also makes a good inspection hole. Good Luck, -------- David Gallagher 601 XL, tail and wings completed, fueslage almost done, engine next. Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139223#139223 Attachments: http://forums.matronics.com//files/leftwing_33_204.jpg


    Message 22


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    Time: 12:02:53 PM PST US
    Subject: Bending the main gear (and the nose gear fork)
    From: "tigermiller" <tigermiller1595@msn.com>
    I'll get a write up and pics of the jig I'm using and get it on the fileshare thing for this group. Can't get it done right away, so give me a few days. Dave -------- Dave Miller Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139224#139224


    Message 23


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    Time: 12:23:29 PM PST US
    From: Jaybannist@cs.com
    Subject: Instrument Panel Access
    John, I have posted drawings of my access panel. Let me know if you would like me to e-mail them to you. I set the doubler in silicone sealant. When I install the cover plate, I will run a bead of silicone around the exposed part of the doubler and cover that with Saran before temporarily fastening the cover. When the silicone has cured, I will remove the cover and Saran and have a "permanent" gasket. Jay in Dallas 601XL N2630J Do not archive John Davis <johnd@data-tech.com> wrote: > >Hi All, > >I'm just wrapping up my electrical work and am getting close to putting >on the front skin over the panel area. Riveting it per the factory seems >to be a poor choice since I wont have any easy access to the rear of the >panel. > >So it seems like the options are: > >A) Install nutplates or similar and make the entire skin removable. As I >have a QB kit their are already 90+ rivet holes that would have to be >fitted, so thats a lot of work. > >B) Install the skin permanently but add a couple of access panels on the >top. Seems like several folks on the list are doing this. My only >concern with this approach would be water leaking under the access >panel. Any ideas as to how to prevent/avoid this issue ? > >Your thoughts/Ideas ? > >Thanks in advance, >John Davis >Burnsville, NC >601XL QB - Jab 3300 > >


    Message 24


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    Time: 12:34:47 PM PST US
    Subject: Wing Spars Done! Bolts?
    From: "Kafka, Jeff" <jkafka@trojanuv.com>
    More than 3 years after starting them (there was a long break), my plans-built wing spars are done. For me this was a big deal because dealing with all those solid rivets (without a rivet gun) appeared to be one of the bigger hurdles in the way of eventual completion. To celebrate my minor success, I decide to get a photo of me posing behind the assembled structural "guts" of my 601XL-to-be. While assembling, I was unable to find direction in the plans or manual about the way the twelve bolts connecting the outboard spars to the center spar should face. Does it matter if the bolt heads are on the forward or aft side of the spars? Should one alternate them? What about the bolt at the root of the outboard spars and the ones in the center spar (in the plans the latter appear to have the bolt heads on the forward side). On to finish the remaining rear ribs! Jeff Kafka 601XL Plans Tail, Flaps, Ailerons, Spars Done Working on Ribs & Assembling Wings Do Not Archive This message (including any attachments) contains confidential and/or proprietary information intended only for the addressee. Any unauthorized disclosure, copying, distribution or reliance on the contents of this information is strictly prohibited and may constitute a violation of law. If you are not the intended recipient, please notify the sender immediately by responding to this e-mail, and delete the message from your system. If you have any questions about this e-mail please notify the sender immediately.


    Message 25


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    Time: 01:05:27 PM PST US
    From: Bryan Martin <bryanmmartin@comcast.net>
    Subject: Re: Wing Spars Done! Bolts?
    I put my bolts in with the nuts exposed on the front of the spar for easy inspection. Kafka, Jeff wrote: > > To celebrate my minor success, I decide to get a photo of me posing > behind the assembled structural guts of my 601XL-to-be. While > assembling, I was unable to find direction in the plans or manual about > the way the twelve bolts connecting the outboard spars to the center > spar should face. Does it matter if the bolt heads are on the forward or > aft side of the spars? Should one alternate them? What about the bolt at > the root of the outboard spars and the ones in the center spar (in the > plans the latter appear to have the bolt heads on the forward side). > -- Bryan Martin Zenith 601XL N61BM Ram Subaru, Stratus redrive Do Not Archive


    Message 26


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    Time: 01:14:37 PM PST US
    Subject: Wing Spars Done! Bolts?
    From: "Beckman, Rick" <Rick.Beckman@atk.com>
    More than 3 years after starting them (there was a long break), my plans-built wing spars are done. For me this was a big deal because dealing with all those solid rivets (without a rivet gun) appeared to be one of the bigger hurdles in the way of eventual completion. To celebrate my minor success, I decide to get a photo of me posing behind the assembled structural "guts" of my 601XL-to-be. While assembling, I was unable to find direction in the plans or manual about the way the twelve bolts connecting the outboard spars to the center spar should face. Does it matter if the bolt heads are on the forward or aft side of the spars? Should one alternate them? What about the bolt at the root of the outboard spars and the ones in the center spar (in the plans the latter appear to have the bolt heads on the forward side). On to finish the remaining rear ribs! Jeff Kafka My tech counselor told me that bolts go back, in, and down. Happy Building!!!!! Rick Beckman Do not archive


    Message 27


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    Time: 01:20:45 PM PST US
    From: "milreed" <milreed@wildblue.net>
    Subject: Re: CH701 Usable Fuel
    Kevin Gordon Poer has a small tank behind the seat on the right side of his 701. He runs a 85 HP Continental for power. When he first flew the craft he did so with gravity feed only from the wing tanks down behind the seat to the floor. During some moderate maneuvers he got an air lock in the line and resultant engine failure. I was just looking at his new setup at the Placerville airport last week. Now he has a mechanical and electric fuel pumps as well as that small aux tank which is supplied by the right wing tank only. No more fuel problemos ! Mil


    Message 28


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    Time: 01:23:08 PM PST US
    From: MacDonald Doug <dougsnash@yahoo.com>
    Subject: Re: Wing Spars Done! Bolts?
    Hey Jeff, sounds like a major milestone, congrats. Keep in mind that I am a 701 builder and have no actual data to base this advice on but standard aircraft procedure dictates that the heads of the bolts will be forward. That way if the nut came off, the slipstream would help hold things together. Hope this helps in this application. Doug MacDonald CH-701 Scratch Builder NW Ontario, Canada DO not archive --- "Kafka, Jeff" <jkafka@trojanuv.com> wrote: > More than 3 years after starting them (there was a > long break), my > plans-built wing spars are done. For me this was a > big deal because > dealing with all those solid rivets (without a rivet > gun) appeared to be > one of the bigger hurdles in the way of eventual > completion. > > To celebrate my minor success, I decide to get a > photo of me posing > behind the assembled structural "guts" of my > 601XL-to-be. While > assembling, I was unable to find direction in the > plans or manual about > the way the twelve bolts connecting the outboard > spars to the center > spar should face. Does it matter if the bolt heads > are on the forward or > aft side of the spars? Should one alternate them? > What about the bolt at > the root of the outboard spars and the ones in the > center spar (in the > plans the latter appear to have the bolt heads on > the forward side). > > On to finish the remaining rear ribs! > > Jeff Kafka > 601XL Plans > Tail, Flaps, Ailerons, Spars Done > Working on Ribs & Assembling Wings > Do Not Archive Don't let your dream ride pass you by. Make it a reality with Yahoo! Autos. http://autos.yahoo.com/index.html


    Message 29


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    Time: 01:45:55 PM PST US
    From: "Schloss" <Bluebird@Townsqr.com>
    Subject: Instrument Panel Access
    I have seen sheet metal screws used instead of rivets. phil ----- Original Message ----- From: "John Davis" <johnd@data-tech.com> Sent: Wednesday, October 10, 2007 12:14 PM Subject: Zenith-List: Instrument Panel Access > > Hi All, > > I'm just wrapping up my electrical work and am getting close to putting > on the front skin over the panel area. Riveting it per the factory seems > to be a poor choice since I wont have any easy access to the rear of the > panel. > > So it seems like the options are: > > A) Install nutplates or similar and make the entire skin removable. As I > have a QB kit their are already 90+ rivet holes that would have to be > fitted, so thats a lot of work. > > B) Install the skin permanently but add a couple of access panels on the > top. Seems like several folks on the list are doing this. My only > concern with this approach would be water leaking under the access > panel. Any ideas as to how to prevent/avoid this issue ? > > Your thoughts/Ideas ? > > Thanks in advance, > John Davis > Burnsville, NC > 601XL QB - Jab 3300 > > > > > > > >


    Message 30


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    Time: 01:58:12 PM PST US
    From: "Gary Boothe" <gboothe@calply.com>
    Subject: Bending the main gear (and the nose gear fork)
    Brandon Tucker used to be a regular contributor, but only lingers from time to time as he is now enjoying his plane. He did many posts on bending your own gear. In sum up, he felt it was fairly simple with just a hydraulic pipe bender from Harbor Freight. You can read more at the ch601 websight. I am also sure he would be happy to discuss his process with anyone who emailed him directly (btucke73@yahoo.com). Gary Boothe Cool, CA 601 HDSTD, WW Conversion 90% done, Tail done, wings done, working on c-section


    Message 31


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    Time: 02:19:02 PM PST US
    Subject: Re: Instrument Panel Access
    From: "Gig Giacona" <wr.giacona@suddenlink.net>
    I'm using J-Nuts and screws all the way around the top skin. http://www.mcmaster.com/nav/enter.asp?pagetype=ships&visitorinput=wr.giacona%40suddenlink.net&retrieveoutcome=FAILED_TO_IDENTIFY&inputtype=&search=&resultsContext=ORDNAV&resultsQueryStr=loademailform%3Dtrue SkipperClyde wrote: > I have seen sheet metal screws used instead of rivets. > > phil > > > --- -------- W.R. &quot;Gig&quot; Giacona 601XL Under Construction See my progress at www.peoamerica.net/N601WR Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139260#139260


    Message 32


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    Time: 02:42:21 PM PST US
    From: VideoFlyer@aol.com
    Subject: Re: Instrument Panel Access
    In a message dated 10/10/2007 , wr.giacona@suddenlink.net writes: <<<<I'm using J-Nuts and screws all the way around the top skin>>> I did the same thing. Dave N618PZ 601XL/Corvair


    Message 33


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    Time: 02:57:30 PM PST US
    From: David Downey <planecrazydld@yahoo.com>
    Subject: Re: XL Landing Gear
    In case anyone was referring to my comments about bending the Zodiac gear, I am not building anymore due to a family crisis. I have bent heavy plate b efore in the past though and it is not to be feared. Make sure that the edg es of the blank are perfectly smooth (and preferrably radiused), and that t he part is located repeatably and you will be fine. =0A=0AI do not have any photos of previous setups - I apologize.=0A =0ADave Downey=0AHarleysville (SE) PA=0A100 HP Corvair=0A=0A=0A=0A----- Original Message ----=0AFrom: Deb o Cox <sky_ranger161@yahoo.com>=0ATo: zenith-list@matronics.com=0ASent: Wed nesday, October 10, 2007 5:50:59 AM=0ASubject: Re: Zenith-List: Re: XL Land ing Gear=0A=0A=0AHey Dave,=0A =0AThat sounds like exactly what I was thinki ng would work. I'm still a long way from bending mine, but would love to se e the pics and read the details of your method when you make it happen. Goo d luck with it!=0A =0ADebo Cox=0AScratch-built XL/Corvair=0ANags Head, NC -======================== ============0A=0A=0A =0A_______________________ _____________________________________________________________=0ALooking for a deal? Find great prices on flights and hotels with Yahoo! FareChase.=0Ah ttp://farechase.yahoo.com/


    Message 34


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    Time: 03:07:14 PM PST US
    From: "Bill Naumuk" <naumuk@alltel.net>
    Subject: Re: Auto Conversion Discussion.
    At the rate I'm going, I might live to see one!!! do not archive Bill Naumuk HDS Fuse/Corvair Townville, Pa ----- Original Message ----- From: <dredmoody@cox.net> Sent: Wednesday, October 10, 2007 9:49 AM Subject: Re: Zenith-List: Re: Auto Conversion Discussion. > > You mean that there are people out there who actually don't have their own > airplanes yet???? > > Dred > > ---- MacDonald Doug <dougsnash@yahoo.com> wrote: >> >> NASA is running some kind of Personal Aerial Vehicle >> competition kind of like an X-Prize. The idea is that >> it will be a first step toward a "Jettson's" world >> where we have Aerial Vehicles instead of cars. >> >> Doug MacDonald >> CH-701 Scratch Builder >> NW Ontario, Canada > > >


    Message 35


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    Time: 03:07:50 PM PST US
    From: "Graeme" <graeme@coletoolcentre.com.au>
    Subject: Re: Instrument Panel Access
    I think the savanna has a good idea for instrument panel. The hole instrument panel panel is a removable, screwed (probably with rubber insulation for vibration) to a riveted in frame for easy access. Graeme Cairns ----- Original Message ----- From: "John Davis" <johnd@data-tech.com> Sent: Thursday, October 11, 2007 3:14 AM Subject: Zenith-List: Instrument Panel Access > > Hi All, > > I'm just wrapping up my electrical work and am getting close to putting on > the front skin over the panel area. Riveting it per the factory seems to > be a poor choice since I wont have any easy access to the rear of the > panel. > > So it seems like the options are: > > A) Install nutplates or similar and make the entire skin removable. As I > have a QB kit their are already 90+ rivet holes that would have to be > fitted, so thats a lot of work. > > B) Install the skin permanently but add a couple of access panels on the > top. Seems like several folks on the list are doing this. My only concern > with this approach would be water leaking under the access panel. Any > ideas as to how to prevent/avoid this issue ? > > Your thoughts/Ideas ? > > Thanks in advance, > John Davis > Burnsville, NC > 601XL QB - Jab 3300 > > > -- > 269.14.7/1062 - Release Date: 10/10/2007 5:11 PM > >


    Message 36


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    Time: 03:10:15 PM PST US
    From: Jaybannist@cs.com
    Subject: Re: Instrument Panel Access
    Are you guys aware that the cowling overlaps the forward top skin? Therefore, you will have to remove the cowling to remove that skin for access. At least for the WW cowling, there is a tapered channel that fastens to the nose bowl and the top skin to support and locate the nose bowl. Seems like having to remove the cowling kinda' defeats the purpose, or at least makes access a pretty involved process. Hopefully, you will never have to access it and then difficulty becomes a moot point. Jay in Dallas 601XL N2630J Do not archive VideoFlyer@aol.com wrote: > >In a message dated 10/10/2007 , wr.giacona@suddenlink.net writes: > ><<<<I'm using J-Nuts and screws all the way around the top skin>>> > >I did the same thing. > >Dave >N618PZ >601XL/Corvair > >


    Message 37


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    Time: 03:12:13 PM PST US
    From: Bryan Martin <bryanmmartin@comcast.net>
    Subject: Re: Wing Spars Done! Bolts?
    There are two guidelines for installing bolts. A. Install the bolt such that gravity or aerodynamic forces will tend to keep the bolt in place in case the nut falls off. B: Install the bolt such that the nut can be easily inspected for security. Since the spar bolts are mounted horizontally inside the fuselage, I chose to make the nuts easy to inspect. I also did this with the bolts through the rear spar. I installed these bolts with the nuts visible from the rear when the flaps are lowered. -- Bryan Martin Zenith 601XL N61BM Ram Subaru, Stratus redrive Do Not Archive


    Message 38


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    Time: 03:49:51 PM PST US
    Subject: Re: Instrument Panel Access
    From: "GLJSOJ1" <gljno10@HOTMAIL.COM>
    HI JOHN WHAT I DID WAS MARK WHERE THE CANOPY TOUCHED THE FORWARD TOP SKIN AND MADE A SET OF ACCESS HOLES ON BOTH SIDES JUST SMALLER SO I COULD PUT ANCHOR NUTS AND SCREWS TO HOLD IT IN PLACE. THEN I MADE A LARGE COVER TO COVER BOTH SIDES. IT'S NOT TOTAL ACCESS, BUT I CAN AT LEAST GET BEHIND THE PANEL GLENN -------- 601XL BUILDER ALMOST DONE CHESAPEAKE VA Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139283#139283


    Message 39


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    Time: 04:56:16 PM PST US
    Subject: Re: CH701 Usable Fuel
    From: "kmccune" <kmccune@somtel.net>
    I like the shut off vale idea, makes take off a little less exciting! I knew that I needed a fuel pump as the outlet would have to be almost level with the engine. Why doe it feed off of only one of the wing tanks? I also have learned that the guy with the Hawg-Air site (Hog-Air?) has 14 gallon wing tanks for sale. Now I still like the stock aluminum ones... but they could be larger, say 12 gallons each. Kevin -------- Kevin Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139292#139292


    Message 40


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    Time: 04:59:55 PM PST US
    Subject: Re: Bending the main gear (and the nose gear fork)
    From: "kmccune" <kmccune@somtel.net>
    Ch 601 website? :D Kevin -------- Kevin Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139293#139293


    Message 41


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    Time: 05:07:08 PM PST US
    From: "Gary Boothe" <gboothe@calply.com>
    Subject: Re: Bending the main gear (and the nose gear fork)
    www.ch601.org Gary Boothe Cool, CA 601 HDSTD, WW Conversion 90% done, Tail done, wings done, working on c-section -----Original Message----- From: owner-zenith-list-server@matronics.com [mailto:owner-zenith-list-server@matronics.com] On Behalf Of kmccune Sent: Wednesday, October 10, 2007 5:00 PM Subject: Zenith-List: Re: Bending the main gear (and the nose gear fork) Ch 601 website? :D Kevin -------- Kevin Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139293#139293


    Message 42


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    Time: 05:30:42 PM PST US
    From: "Gary Ray" <davgray@sbcglobal.net>
    Subject: Re: Instrument Panel Access
    The tapered top center section of the cowl for the WW nose bowl has hinges that allow access to the engine compartment from the top. There are only about four screws in the center that hold this to the top forward skin and about 6 to 8 screws that hold it to the center top section of the nose bowl. This part can be removed in under 1 minute. When you remove the top center section of the cowl you expose the firewall forward to the nose bowl while the top forward skin covers the firewall backward to the instrument panel. With a nutplated system I can open my aircraft from the instrument panel to the nosebowl in less than 3 minutes and replace it in under 5 minutes in two pieces. Total work to dimple and rivet nutplates was about 2 to 3 hours extra work and it makes it easy access when wiring, troubleshooting, repair, inspections or modifications. I have removed it at least 15 times during construction and during the first year. I did mine with # 8 floating nutplates, #8 machine screws made flush with a dimple die in my rivet squeezer. The only problem I had was setting rivets in curved sections of the firewall flange. Pulling the nutplate down with a screw to make the nutplate conform to the curve prior to setting the rivets made it accurate and easy. Also avoid crimped sections of the firewall when placing the nutplates. Gary Ray ----- Original Message ----- From: <Jaybannist@cs.com> Sent: Wednesday, October 10, 2007 6:09 PM Subject: RE: Zenith-List: Re: Instrument Panel Access > > Are you guys aware that the cowling overlaps the forward top skin? Therefore, you will have to remove the cowling to remove that skin for access. At least for the WW cowling, there is a tapered channel that fastens to the nose bowl and the top skin to support and locate the nose bowl. Seems like having to remove the cowling kinda' defeats the purpose, or at least makes access a pretty involved process. Hopefully, you will never have to access it and then difficulty becomes a moot point. > > Jay in Dallas 601XL N2630J > Do not archive


    Message 43


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    Time: 05:43:48 PM PST US
    From: "Bob Unternaehrer" <shilocom@mcmsys.com>
    Subject: Re: Instrument Panel Access
    Caution here Jay. I did the silicone thing on a Cessna once and never could get them to quite sticking. Tried powder, which worked the best, but every annual they were stuck tight. Bob U. ----- Original Message ----- From: Jaybannist@cs.com To: zenith-list@matronics.com Sent: Wednesday, October 10, 2007 2:22 PM Subject: RE: Zenith-List: Instrument Panel Access John, I have posted drawings of my access panel. Let me know if you would like me to e-mail them to you. I set the doubler in silicone sealant. When I install the cover plate, I will run a bead of silicone around the exposed part of the doubler and cover that with Saran before temporarily fastening the cover. When the silicone has cured, I will remove the cover and Saran and have a "permanent" gasket. Jay in Dallas 601XL N2630J Do not archive John Davis <johnd@data-tech.com> wrote: > >Hi All, > >I'm just wrapping up my electrical work and am getting close to putting >on the front skin over the panel area. Riveting it per the factory seems >to be a poor choice since I wont have any easy access to the rear of the >panel. > >So it seems like the options are: > >A) Install nutplates or similar and make the entire skin removable. As I >have a QB kit their are already 90+ rivet holes that would have to be >fitted, so thats a lot of work. > >B) Install the skin permanently but add a couple of access panels on the >top. Seems like several folks on the list are doing this. My only >concern with this approach would be water leaking under the access >panel. Any ideas as to how to prevent/avoid this issue ? > >Your thoughts/Ideas ? > >Thanks in advance, >John Davis >Burnsville, NC >601XL QB - Jab 3300 > > > > > > >


    Message 44


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    Time: 06:22:58 PM PST US
    From: Jaybannist@cs.com
    Subject: Re: Instrument Panel Access
    Bob, Thanks for the heads up. I just might have to rethink my sealing method. Maybe a thin foam tape? - Jay do not archive "Bob Unternaehrer" <shilocom@mcmsys.com> wrote: >Caution here Jay. I did the silicone thing on a Cessna once and never could get them to quite sticking. Tried powder, which worked the best, but every annual they were stuck tight. Bob U. > ----- Original Message ----- > From: Jaybannist@cs.com > To: zenith-list@matronics.com > Sent: Wednesday, October 10, 2007 2:22 PM > Subject: RE: Zenith-List: Instrument Panel Access > > > > John, > > I have posted drawings of my access panel. Let me know if you would like me to e-mail them to you. I set the doubler in silicone sealant. When I install the cover plate, I will run a bead of silicone around the exposed part of the doubler and cover that with Saran before temporarily fastening the cover. When the silicone has cured, I will remove the cover and Saran and have a "permanent" gasket. > > Jay in Dallas 601XL N2630J > Do not archive > > > John Davis <johnd@data-tech.com> wrote: > > > > >Hi All, > > > >I'm just wrapping up my electrical work and am getting close to putting > >on the front skin over the panel area. Riveting it per the factory seems > >to be a poor choice since I wont have any easy access to the rear of the > >panel. > > > >So it seems like the options are: > > > >A) Install nutplates or similar and make the entire skin removable. As I > >have a QB kit their are already 90+ rivet holes that would have to be > >fitted, so thats a lot of work. > > > >B) Install the skin permanently but add a couple of access panels on the > >top. Seems like several folks on the list are doing this. My only > >concern with this approach would be water leaking under the access > >panel. Any ideas as to how to prevent/avoid this issue ? > > > >Your thoughts/Ideas ? > > > >Thanks in advance, > >John Davis > >Burnsville, NC > >601XL QB - Jab 3300 > > > > > > > > > > > > > > > >


    Message 45


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    Time: 07:19:43 PM PST US
    Subject: Re: Bending the main gear (and the nose gear fork)
    From: "kmccune" <kmccune@somtel.net>
    Thanks..should have guessed! Kevin -------- Kevin Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139319#139319


    Message 46


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    Time: 07:29:09 PM PST US
    From: "Southern Reflections" <purplemoon99@bellsouth.net>
    Subject: Re: Instrument Panel Access
    Any chance of getting a couple picts? I'am doing a lot on the panel,and have to take the whole dash top off every time It's a real pain. I was thinking of a over lap where the cowl would be atached to a short section that was pop riveted to the top of the fire wall and could ovre lap inside the plane with screws etc. Joe N101HD 601XL/RAM ----- Original Message ----- From: "Gary Ray" <davgray@sbcglobal.net> Sent: Wednesday, October 10, 2007 8:19 PM Subject: Re: Zenith-List: Re: Instrument Panel Access > > The tapered top center section of the cowl for the WW nose bowl has hinges > that allow access to the engine compartment from the top. There are only > about four screws in the center that hold this to the top forward skin and > about 6 to 8 screws that hold it to the center top section of the nose > bowl. > This part can be removed in under 1 minute. > > When you remove the top center section of the cowl you expose the firewall > forward to the nose bowl while the top forward skin covers the firewall > backward to the instrument panel. With a nutplated system I can open my > aircraft from the instrument panel to the nosebowl in less than 3 minutes > and replace it in under 5 minutes in two pieces. > > Total work to dimple and rivet nutplates was about 2 to 3 hours extra work > and it makes it easy access when wiring, troubleshooting, repair, > inspections or modifications. I have removed it at least 15 times during > construction and during the first year. I did mine with # 8 floating > nutplates, #8 machine screws made flush with a dimple die in my rivet > squeezer. > The only problem I had was setting rivets in curved sections of the > firewall > flange. Pulling the nutplate down with a screw to make the nutplate > conform > to the curve prior to setting the rivets made it accurate and easy. Also > avoid crimped sections of the firewall when placing the nutplates. > > Gary Ray > > ----- Original Message ----- > From: <Jaybannist@cs.com> > To: <zenith-list@matronics.com> > Sent: Wednesday, October 10, 2007 6:09 PM > Subject: RE: Zenith-List: Re: Instrument Panel Access > > >> >> Are you guys aware that the cowling overlaps the forward top skin? > Therefore, you will have to remove the cowling to remove that skin for > access. At least for the WW cowling, there is a tapered channel that > fastens > to the nose bowl and the top skin to support and locate the nose bowl. > Seems like having to remove the cowling kinda' defeats the purpose, or at > least makes access a pretty involved process. Hopefully, you will never > have > to access it and then difficulty becomes a moot point. >> >> Jay in Dallas 601XL N2630J >> Do not archive > > >


    Message 47


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    Time: 07:42:37 PM PST US
    Subject: Re: access panels
    From: "Ron Lendon" <rlendon@comcast.net>
    Carlos, I just capped the wing tips but did not add any access holes. I figure the inspections can be made through the lights on the left wing and drilling out the rivets and re-riveting every so often will save weight. YMMV -------- Ron Lendon, Clinton Township, MI Corvair Zodiac XL, ScrapBuilder ;-) http://www.mykitlog.com/rlendon Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139326#139326


    Message 48


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    Time: 07:56:41 PM PST US
    Subject: Re: Wing Spars Done! Bolts?
    From: "Ron Lendon" <rlendon@comcast.net>
    Congratulations on reaching that milestone. Here is a picture of my solid riveting machine. -------- Ron Lendon, Clinton Township, MI Corvair Zodiac XL, ScrapBuilder ;-) http://www.mykitlog.com/rlendon Read this topic online here: http://forums.matronics.com/viewtopic.php?p=139327#139327 Attachments: http://forums.matronics.com//files/fp01122006a0001k_151.jpg


    Message 49


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    Time: 08:54:39 PM PST US
    From: "T. Graziano" <tonyplane@bellsouth.net>
    Subject: Re: Instrument Panel Access
    John, One of the BEST decisions I made was to make the fwd top skin removable. I used rivnuts and 6-32 SS screws. Others have used nutplates and J clips?? etc. With the skin removed, you have access not only to the instrument panel, but to the inside fwd firewall, rudder peddles and cables, steering rods, brakes, etc. Also, I have removal of the top skin part of my annual condition inspection to check wiring, and other areas under the instrument panel that would be a real problem to inspect with the skin in place. I also have a removable panel aft of the canopy "line" on the top skin. On it, I have provisions to mount 1 or 2 Garmin GPSs (One for the pilots side and one for my spouse's side) and have also mounted a vertical compass card.. Coming through this panel I have compass lighting wiring and hard wiring for the GPS's through grommeted holes that have a slots leading to the holes from the edge of the panel.. When I remove the top skin, I remove this panel first and can leave the wiring intact by passing it through the slot. You can see my instrument panel at http://www.zenithair.com/zodiac/6-photo79.html (Zenith Photo Library #79) as originally finished, but since I have added some "Stuff" , such as a switch and a blinking light to show "Wig-wag" taxi/landing lights, another switch to use either Garmin GPS to drive my AP, a light to show when I have the aux fuel pump on, a Tru-Track T&B, and ... I really like what you can easily do with your airplane when it is "Experimental". If I had to drill out the top skin rivets to gain access to the instrument panel aft areas, it would not be as much fun and also I believe would result in a real mess to clean up. Tony Graziano XL/Jab3300; N493TG; 304 hrs --------------- Subject: Instrument Panel Access From: John Davis (johnd@data-tech.com) Date: Wed Oct 10 - 10:30 AM Hi All, I'm just wrapping up my electrical work and am getting close to putting on the front skin over the panel area. Riveting it per the factory seems to be a poor choice since I wont have any easy access to the rear of the panel. So it seems like the options are: A) Install nutplates or similar and make the entire skin removable. As I have a QB kit their are already 90+ rivet holes that would have to be fitted, so thats a lot of work. B) Install the skin permanently but add a couple of access panels on the top. Seems like several folks on the list are doing this. My only concern with this approach would be water leaking under the access panel. Any ideas as to how to prevent/avoid this issue ? Your thoughts/Ideas ? Thanks in advance, John Davis Burnsville, NC 601XL QB - Jab 3300




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