Zenith-List Digest Archive

Tue 11/13/07


Total Messages Posted: 33



Today's Message Index:
----------------------
 
     0. 12:25 AM - List of Contributors (Matt Dralle)
     1. 02:59 AM - oil thermastat (Ken and Cathy Buchmann)
     2. 03:34 AM - Re: Pegastol Wings (kmccune)
     3. 05:15 AM - Re: Van's vents in 601 HD? (Aaron Gustafson)
     4. 06:00 AM - Re: Re: Powerplant Choices (Dennis Shoup)
     5. 07:19 AM - Re: Re: Pegastol Wings (Sean Moore)
     6. 08:09 AM - Re: what size screw?? (Carlos Sa)
     7. 08:42 AM - Re: oil thermastat (nyterminat@aol.com)
     8. 08:49 AM - Fw: Fw: nutplates (Carlos Sa)
     9. 09:03 AM - Thanks (Bill Steer)
    10. 09:19 AM - Fw: Fw: nutplates (Gig Giacona)
    11. 09:47 AM - Re: riveter nosepiece (John Reinking)
    12. 09:51 AM - Zenith Fuel Senders and water (John Davis)
    13. 10:04 AM - Re: riveter nosepiece (Paul Mulwitz)
    14. 10:12 AM - Re: oil thermastat (Mark Sherman)
    15. 10:32 AM - Re: riveter nosepiece (Terry Phillips)
    16. 11:09 AM - Re: Fw: Fw: nutplates (Carlos Sa)
    17. 11:33 AM - Re: riveter nosepiece (Randy L. Thwing)
    18. 11:50 AM - Re: oil thermastat (nyterminat@aol.com)
    19. 12:19 PM - Re: Van's vents in 601 HD?Van's vents in 601 HD? (paul baker)
    20. 12:31 PM - another nosepiece tidbit (Zed Smith)
    21. 12:48 PM - Re: Fw: Fw: nutplates (George Swinford)
    22. 01:00 PM - 3/32 pop rivets (Jeff Small)
    23. 01:06 PM - Re: Van's vents in 601 HD?Van's vents in 601 HD? (Russell J.)
    24. 02:02 PM - Re: oil thermostat (Klaus Truemper)
    25. 03:59 PM - Re: riveter nosepiece (Bob Unternaehrer)
    26. 04:02 PM - Re: 3/32 pop rivets (Brad Cohen)
    27. 04:46 PM - Re: Pegastol Wings (kmccune)
    28. 05:12 PM - Re: 3/32 pop rivets (Jeff)
    29. 07:14 PM - Re: Zenith Fuel Senders and water (Jon Croke)
    30. 07:31 PM - Re: riveter nosepiece (Randy L. Thwing)
    31. 09:07 PM - Progress - thanks to good old Dad! (jhines)
    32. 10:32 PM - Re: Pegastol Wings (RayStL)
 
 
 


Message 0


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    Time: 12:25:34 AM PST US
    From: Matt Dralle <dralle@matronics.com>
    Subject: List of Contributors
    Each year at the end of the List Fund Raiser, I post a message acknowledging everyone that so generously made a Contribution to support the Lists. Its sort of my way of publicly thanking everyone that took a minute to show their appreciation for the Lists. Won't you take a moment and assure that your name is on that List of Contributors (LOC)? As a number of members have pointed out over the years, the List seems at least - if not a whole lot more - valuable as a building/flying/recreating/entertainment tool as your typical magazine subscription! Please take minute and assure that your name is on this year's LOC! Show others that you appreciate the Lists. Making a Contribution to support the Lists is fast and easy using your Credit card or Paypal on the Secure Web Site: http://www.matronics.com/contribution or by popping a personal check in the mail to: Matt Dralle / Matronics PO Box 347 Livermore CA 94551-0347 I would like to thank everyone that has so generously made a Contribution thus far in this year's List Fund Raiser! Remember that its YOUR support that keeps these Lists going and improving! Don't forget to include a little comment about how the Lists have helped you! Best regards, Matt Dralle Matronics Email List Administrator


    Message 1


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    Time: 02:59:29 AM PST US
    From: "Ken and Cathy Buchmann" <buchdvm@fidnet.com>
    Subject: oil thermastat
    Has anyone installed a oil thermastat on the 912 uls on a 701? I am in the process and am having a few issues of finding a location for the thermastat. Would like some experienced advice. Ken


    Message 2


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    Time: 03:34:18 AM PST US
    Subject: Re: Pegastol Wings
    From: "kmccune" <kmccune@somtel.net>
    For anyone wondering about this wing, Raymond is ramping up for production but not quit there yet. So I have posted the link to the web archive of the old Dedalius website. I'm not sure if the new wing will be exactly the same or not and I don't want to infer that it will or will not be. But when I went looking for info on this wing I came up goose eggs, until I found this link... http://web.archive.org/web/20040217134511/www.dedaliusaviation.com/newdedalius/anglais.htm Kevin -------- Kevin Read this topic online here: http://forums.matronics.com/viewtopic.php?p=145671#145671


    Message 3


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    Time: 05:15:49 AM PST US
    From: "Aaron Gustafson" <agustafson@chartermi.net>
    Subject: Re: Van's vents in 601 HD?
    I haven't installed them yet but have in my possession I see no problem with enough room. Aaron Gustafson HDTD 42 hours


    Message 4


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    Time: 06:00:02 AM PST US
    From: "Dennis Shoup" <zenith601xl@gmail.com>
    Subject: Re: Powerplant Choices
    There is one advantage for the 912 over the S. It runs on regular auto gas, the S needs premium, so the cost of operation is less. I am building a 601XL with Jabiru 3300 so the whole discussion is academic but interesting. Dennis Shoup N601JJ On Nov 12, 2007 7:30 PM, ZodieRocket <zodierocket@hsfx.ca> wrote: > > I love this conversation, when is enough , enough? Well never, but when > is enough adequate, that is the question. Lets look at the 701 she will > happily put along on 60hp shes will have adequate stol performance and > cruise at an appreciable 70 mph. But no one installs a 582 anymore, > everyone installs a Rotax 912, this is a great performer and your plane > will cruise at a robust 90 mph with some clean up, stol performance will > be enviable to everyone. If you are buying a used 912 and getting a > great deal then you have the perfect engine, but if your buying new then > the 912S is typically only $1,500 dollars more. SO for that extra cash > which in the whole cost isn't that much, you have a plane that can > cruise at 95-105 mph, STOL is sickening to anyone's stomach and it > climbs vertically. DO we need this? Not for most of us, but lets look at > the 100 deg day at 5000 ft strip. Would the engine that didn't cost much > extra, uses little more in fuel burn and weighs the same as the lower hp > motor not make more sense? 20 hp makes a big difference if it isn't a > big difference in the pocket book. Now lets look at the 914, here is > another 15 hp above the 912S we cannot cruise any faster because we are > already close to Vne we won't notice the climb rate unless we are at > high altitude. Plus the engine is $14,000 more then the 100hp this is > the value that does not make sense. The engine will not do anything more > for us, but it will cost us a hell of a lot more. We will not realize > value for performance. Both the 912 and 912S are capable of the same > slow flight cost is of little difference when new, so in this case the > extra 20 hp are desirable. > > In the 601HD she will happily put along on 70hp, but at that fly-in that > you landed at first thing this morning and the heat when crazy will I > have enough runway to take off? Having more HP is not just for flying > faster, it is for the ability to use the resources we want to. A short > strip on a very hot day may be too much for a low powered plane. That > extra 20hp may make the difference. The problem is to know when airframe > gain is eclipsed by pocketbook drain. > > IF you can afford a 70 hp motor, but the 90 hp is less then a couple > thousand it is sometimes better to wait that little extra, remember your > going to have this plane a long time as a rule. But if were looking at a > huge difference in cost then 70 hp is adequate and you will still have a > fun plane. Though you will also be aware that some runways and > situations may not be advisable for you. Heat and altitude conditions > are more critical. > > There is always a limit. More is not always better, but if it is within > reason to costs and airframe then more may be desirable. > > When it comes down to a Rotax 912 over the 912S, in Canada the cost > difference is less then $1,500.00 for this amount I can never recommend > the straight 912 unless you are able to find a half time one for a good > cost. Only then do you have a reasonable value for HP output. > > Look over your options, Look over your abilities, look at your mission. > These things will dictate which each of us will desire, not the other > fellow that may fly a different mission. > > > Mark Townsend > Can-Zac Aviation Ltd. > president@can-zacaviation.com > www.can-zacaviation.com > > -----Original Message----- > From: owner-zenith-list-server@matronics.com > [mailto:owner-zenith-list-server@matronics.com] On Behalf Of Dave G. > Sent: Monday, November 12, 2007 4:18 PM > To: zenith-list@matronics.com > Subject: Re: Zenith-List: Re: Powerplant Choices > > > An 80 HP 912 should be more than enough. That doesn't mean it's enough > for > everyone, there is a LARGE segment of aviation who adhere to the more is > > always better philosophy. IF they could mount 200hp on a 601, they > would. My > old BMW motorcycle has a thirty something HP engine, the same frame was > available with engines up to 2/3 larger. There are a lot of people > trying to > extract more HP from that larger engine in the belief that they don't > have > enough power. If you simply want to fly a relaxing and enjoyable plane > 80 is > enough, if you want to hit pattern altitude before you have used up a > 1000 > ft runway, you'll need more. > > ----- Original Message ----- > From: "ashontz" <ashontz@nbme.org> > To: <zenith-list@matronics.com> > Sent: Monday, November 12, 2007 4:22 PM > Subject: Zenith-List: Re: Powerplant Choices > > > > > > Does 20hp really make that much of a difference? The 601HD was > originally > > designed for 65hp if I'm not mistaken. > > > > I've heard that it takes 25% more power to go 10% faster. Personally, > I'd > > guess that an 80hp engine, even on a 601XL is sufficient. > > > > > 11/11/2007 9:50 PM > > > 11/11/2007 9:50 PM > >


    Message 5


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    Time: 07:19:32 AM PST US
    From: "Sean Moore" <moore.sean@gmail.com>
    Subject: Re: Pegastol Wings
    Nice find on the wayback machine! I also had come up with zero when searching around about this wing. Anyone here using the PegaStol wing? Care to give us some performance data? Is each slat independent or are they linked together? I wonder what the use of flaps and ailerons does to things like roll rate and crosswind capability. On Nov 13, 2007 4:31 AM, kmccune <kmccune@somtel.net> wrote: > > For anyone wondering about this wing, Raymond is ramping up for production but not quit there yet. So I have posted the link to the web archive of the old Dedalius website. I'm not sure if the new wing will be exactly the same or not and I don't want to infer that it will or will not be. But when I went looking for info on this wing I came up goose eggs, until I found this link... > > http://web.archive.org/web/20040217134511/www.dedaliusaviation.com/newdedalius/anglais.htm > > Kevin > > -------- > Kevin > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=145671#145671 > > -- Sean Moore moore.sean@gmail.com


    Message 6


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    Time: 08:09:28 AM PST US
    From: "Carlos Sa" <carlossa52@gmail.com>
    Subject: Re: what size screw??
    Dred, you did answer my question (it is a #8 screw) - thanks much ! The precise piece of information I was looking for, I found in Wikipedia (right under my nose, but I guess my brain was already sleeping when I posted my note last night): "Machine screws are described as 0-80, 2-56, 3-48, 4-40, 5-40, 6-32, 8-32, 10-32, 10-24, etc. up to size 16. The first number can be translated to a diameter, the second is the number of threads per inch. There is a coarse thread and a fine thread for each size, the fine thread being preferred in thin materials or when its slightly greater strength is desired. The numbering system follows a roughly logarithmic series where an increase in each screw number size approximately doubles the tensile strength of the screw and is given by Dia = (#N X .013") + .060" Using this formula a #5 screw has a major diameter of .125" (1/8"), a #10 screw has a diameter of .190" (or 3/16" in practical terms), etc. The formula applies for screw thread numbers #0 and higher, but does NOT apply to smaller Unified miniature screw thread series. Typically screws smaller than size #0 are supplied in the Unified Miniature Series. The formula for number sizes smaller than size #0 is given by Dia = .060" - (#zerosize X .013). So a #00 screw is .047" dia, #000 is .034" dia, etc. The number series of machine screws once included odd numbers (7, 9, etc.) and extended up to #16 or more. Standardization efforts in the late 19th and the early part of the 20th century reduced the range of sizes considerably. Now, it is less common to see machine screws larger than #14, or odd number sizes other than #1, #3 and #5. Even though #14 and #16 screws are still available, they are not as common as sizes #0 through #12. Sizes 1/4" diameter and larger are designated as 1/4"-20, 1/4"-28, etc. the first number giving the diameter in inches and the second number being *threads per inch*. Most thread sizes are available in UNC or UC (Unified Coarse Thread, example 1/4"-20) or UNF or UF (Unified Fine Thread, example 1/4"-28)." ------------------ Carlos On 13/11/2007, Edward Moody II <dredmoody@cox.net> wrote: > > No tsure exactly what you are asking about the size of the NAS514P832-6P > screw, so here is the whole deal: > > It is a #8 screw. It has 32 pitch threads so it fits a K1000-08 or any > nutplate made for an 8-32 screw. It is 3/8" long (.375"). It requires a #8 > dimple to fit flush. > > Dred >


    Message 7


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    Time: 08:42:42 AM PST US
    Subject: Re: oil thermastat
    From: nyterminat@aol.com
    Ken, I installed the oil thermostat from Lockwood aviation on my 701. I installed it on the motor mount on the right side near the firewall. Bob Spudis N701ZX/912S/140hrs Has anyone installed a oil thermastat on the 912 uls on a 701? I am in the process and am having a few issues of finding a location for the thermastat. Would like some experienced advice. ? Ken ________________________________________________________________________ Email and AIM finally together. You've gotta check out free AOL Mail! - http://mail.aol.com


    Message 8


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    Time: 08:49:04 AM PST US
    From: "Carlos Sa" <carlossa52@gmail.com>
    Subject: Fwd: Fw: nutplates
    Hello, listers Jeff Small sent me some good information off-list. With hist permission, I am forwarding to the list. Cheers Carlos ---------- Forwarded message ---------- Hi Carlos, FWIW...jeff Many builders seem to gravitate toward rivnuts when it comes to fasteners that receive screws or machine screws. They really should be using nutplates as nutplates are far stronger than rivnuts and are far, far less likely to "spin" when tightening or loosening. The main reason for looking askance initially at nutplates is that many builders may view them as more difficult to install. That they are, but as with anything in building an a/c it gets far easier. In my HDS I may have 6 rivnuts but dozens and dozens of nutplates and anchor plates - ever hear of anchor plates? Hopefully this info will get you started, or at least view nutplates with a bit less trepidation. Variety is endless; you can use AC43-13 to look over the selection or look at the pictures in the Wicks catalogue. While there are some specialized one, most of the nutplates you use for a 601/701 will be the standard straight styles in 6-32 or 8-32. Often the 'mini' size comes in handy. I used some floating nutplates but mainly because I had ordered some to see what they were like and decided not to waste my $ but to put them to use. Nutplates are structural fittings and if sized correctly are quite strong. If you just want to have something for an access plate fastener you will like anchor plates. Anchor plates use SS sheet metal screws with a 'B' point - that's important. Again, look at the pictures in Wicks or ACS. You need to attach plates with flush rivets, but this doesn't mean you need to get all aluminum rivets and do the RV thing. Get some flat or countersunk head 3/32 pop rivets from Wicks (they can be cheap). When you rivet you'll use a flat nosepiece in your hand riveter, not the domed/dished nosepieces you normally use. To make it flush you need to do two things which at first seem to take a lot of time but will get easier as you go. One is to dimple the surface of the .016 or. 025 sheet; second is to take the nutplate and using your drill press and about a 1/4 bit, lightly chamfer the side of the nutplate that will go against the sheet or surface to which you want it attached. Use pliers to hold and you'll catch on as to how much chamfer to remove. You can sometimes (rarely) find already 'dimpled' nutplates but not often. If you are at the beginning of your building experience I would highly recommend buying a micro-stop and a variety of the pilot cutters (at least in #40 and #30). The cutters make countersinking in thicker aluminum, .032 and up, a breeze. Not certain I would use them on the steel in the actual nutplate, however. Application: drill the center hole for the screw first and make it as close to the diameter of the screw as possible. Put a screw through the sheet and into the nutplate. From underside, mark where the two holes go for rivets. I normally drill one on the mark (use a .093 bit) then use a silver cleco in that hole and drill the other through the other hole. Removed cleco and screw and rivet plate to sheet. It's a good idea to open up the center hole about another .010 before riveting to allow for easy starting and alignment. That's it. The dimple tool that you see (looks like two fat washers and a nail) comes from Aircraft Tool Supply (part # 5102D 3/32 and also in #5102D1/8). They have them in 3/32 and 1/8. Get both. Someday you will want to hang big 10-32 nutplates on the back of the firewall so you don't have to get inside on your head to swap out a gascolator or fuel pump - you will be glad you can do it from the front of the firewall. Same thing goes for other places where getting to the back of a bolt/nut would be awkward or impossible. The first pix shows variety of what I used, the two in the center being most useful, the one in the upper right which is greenish in color is an anchor plate - you can see difference. Second shows how to form dimple using your hand riveter. Third shows dimple. This could be cleaner up further if you have a micro-stop and #40 pilot cutter - go slowly as the .016 and .025 with which we deal doesn't allow much for error. And that's about it, simple really and unbelievably functional. Far stronger than rivnuts...and on rivnuts; if you take a very small triangular file and file a small notch or two in the hole, the metal will obturate into those areas a bit and add a small amount of 'turn resistance' when tightening the screw. regards jeff


    Message 9


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    Time: 09:03:51 AM PST US
    From: Bill Steer <steerr@bellsouth.net>
    Subject: Thanks
    Thanks to everybody who responded to my question about whether the Van's vents will fit in my 601HD. The order is in to Van's! Bill do not archive


    Message 10


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    Time: 09:19:51 AM PST US
    Subject: Fwd: Fw: nutplates
    From: "Gig Giacona" <wr.giacona@suddenlink.net>
    That is great info. The only problem is I can't find a 3/32 pop rivet with a flat or countersunk head. All the ones I can locate are domed. Anyone have a Wick's (or other) part number? -------- 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=145742#145742


    Message 11


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    Time: 09:47:03 AM PST US
    From: John Reinking <reinkings@comcast.net>
    Subject: Re: riveter nosepiece
    I'm just starting when the rudder kit arrives. Inquired with ZA regarding their nosepieces. Ms. Swearingen replied that they offer their custom machined heads for the A4, A5s for $11.90 each. What advantage do their nosepieces have over the ones I got from Harbor Freight insofar as strength and aerodynamic qualities on the construction? Noted that several of the group are simply ordering replacements from Harbor for about $12.00 (for the 3 nosepieces?). Appreciate your comments AND this really helpful site. Cordially, John Reinking, Woodinville, WA


    Message 12


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    Time: 09:51:47 AM PST US
    From: John Davis <johnd@data-tech.com>
    Subject: Zenith Fuel Senders and water
    Hi Guys, I've seen a post on some forums that using water to test your fuel tanks will ruin the Zenith fuel senders (they didnt say why it would), and now I've seen a builder's website where he used water to test for leaks in his tanks and check the senders. So, will water damage the senders ? Thanks in advance, John Davis Burnsville, NC 601XL - Jab 3300


    Message 13


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    Time: 10:04:55 AM PST US
    From: Paul Mulwitz <psm@ATT.NET>
    Subject: Re: riveter nosepiece
    Hi John, As you guessed, you are doing a little comparison of apples to oranges. The Zenith nose pieces have been reshaped to form a dome top on the rivets supplied in the kit. This is necessary to build your plane. You cannot use the Harbor Freight, or any other rivet setter nose piece, until you have ground the hollow shape needed. You can do this yourself or get someone like ZAC to do it for you. The other issue is whether the reshaped nose pieces will fit your riveter. If you buy the ones from ZAC they definitely will not fit the Harbor Freight riveter (well, they might fit one or the other of the Harbor Freight riveters but certainly not both). The ones you can order from ZAC probably fit the riveter they sell. It isn't very difficult to grind the shape needed into the nose pieces if you are oriented toward that sort of work. I have made several of them both from scratch and by grinding the nose pieces that come with various riveters. The trick is to get the final rivet produced to just fit the application without leaving the edges hanging in the air or having grooves pressed into them. You can send your nose pieces to ZAC for grinding or perhaps do it yourself. If you are so inclined, I recommend you get a couple of the lower priced Harbor Freight pneumatic riveters and install an A4 sized nose piece in one and A5 size in the other one. You can get the riveters on sale around $25 each and this will save you from constantly changing the nose pieces. Also, the list members all seem to agree that the Harbor freight riveter is the best one available. Good luck, Paul XL fuselage At 09:45 AM 11/13/2007, you wrote: > I'm just starting when the rudder kit arrives. Inquired with ZA > regarding their nosepieces. Ms. Swearingen replied that they offer > their custom machined heads for the A4, A5s for $11.90 each. What > advantage do their nosepieces have over the ones I got from Harbor > Freight insofar as strength and aerodynamic qualities on the > construction? Noted that several of the group are simply ordering > replacements from Harbor for about $12.00 (for the 3 > nosepieces?). Appreciate your comments AND this really helpful site. > >Cordially, John Reinking, Woodinville, WA


    Message 14


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    Time: 10:12:54 AM PST US
    From: Mark Sherman <msherman95632@yahoo.com>
    Subject: Re: oil thermastat
    Bob, If you have any pictures of your installation could you send them to me off list or post them? Thanks Mark S. 701/912ULS ----- Original Message ---- From: "nyterminat@aol.com" <nyterminat@aol.com> Sent: Tuesday, November 13, 2007 8:40:28 AM Subject: Re: Zenith-List: oil thermastat Ken, I installed the oil thermostat from Lockwood aviation on my 701. I installed it on the motor mount on the right side near the firewall. Bob Spudis N701ZX/912S/140hrs Has anyone installed a oil thermastat on the 912 uls on a 701? I am in the process and am having a few issues of finding a location for the thermastat. Would like some experienced advice. Ken Email and AIM finally together. You've gotta check out free AOL Mail! Get easy, one-click access to your favorites. Make Yahoo! your homepage. http://www.yahoo.com/r/hs


    Message 15


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    Time: 10:32:51 AM PST US
    From: Terry Phillips <ttp44@rkymtn.net>
    Subject: Re: riveter nosepiece
    John The advantage of the HF nosepieces is that they will fit the HF riveter. I presume that Zenith nosepieces fit the riveter they sell. So, if you have a HF riveter, you'd best use their nosepieces. However, the nosepieces must be machined to form the flathead rivets into ZAC's required dome shape. You can either send HF nosepieces (or those from any other riveter) to ZAC to be machined for $8/ea (<1 week turnaround), or you can machine them yourselves. If you search the archives, you can probably find some info on doing your own machining. You only need to machine the A4 and A5 nosepieces. Terry At 09:45 AM 11/13/2007 -0800, you wrote: > I'm just starting when the rudder kit arrives. Inquired with ZA > regarding their nosepieces. Ms. Swearingen replied that they offer their > custom machined heads for the A4, A5s for $11.90 each. What advantage > do their nosepieces have over the ones I got from Harbor Freight insofar > as strength and aerodynamic qualities on the construction? Noted that > several of the group are simply ordering replacements from Harbor for > about $12.00 (for the 3 nosepieces?). Appreciate your comments AND this > really helpful site. > >Cordially, John Reinking, Woodinville, WA Terry Phillips ttp44~at~rkymtn.net Corvallis MT 601XL/Jab 3300 slow build kit - Rudder done--finally; working on the stab http://www.mykitlog.com/N47TP/


    Message 16


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    Time: 11:09:10 AM PST US
    From: "Carlos Sa" <carlossa52@gmail.com>
    Subject: Re: Fwd: Fw: nutplates
    Not easy to find, indeed. I found Cherry N at Wicks: http://www.wicksaircraft.com/catalog/product_cat.php/subid=2118/index.html Description: "120 DEGREE COUNTERSUNK Cherry N commercial rivet.Stainless rivet and mandrel with 120 Degree countersunk head." Cheers Carlos On 13/11/2007, Gig Giacona <wr.giacona@suddenlink.net> wrote: > > wr.giacona@suddenlink.net> > > That is great info. The only problem is I can't find a 3/32 pop rivet with > a flat or countersunk head. All the ones I can locate are domed. Anyone have > a Wick's (or other) part number? > >


    Message 17


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    Time: 11:33:36 AM PST US
    From: "Randy L. Thwing" <n4546v@mindspring.com>
    Subject: Re: riveter nosepiece
    >From the archives: do not archive The Dremel works fine and fast, use a small green round ball (silicon carbide) or any other stone that has a point or round end, Put the riviet gun head in the lathe chuck and while spinning it, fire off the moto-tool, hold it with both hands braced against whatever is nearby, and shape the end in a nice conical shape, starting from the hole in the center and working outward, keep the cone shallow, you can always go deeper. No gottem lathe? Sure you do, put your fastest turning pistol grip drill motor in your workbench vise, usually upside down with pistol grip up, (up is towards the sky for you airplane builders!) tighten vise enough to hold drill case, not crushing it where the armature will never turn again! Place the rivet head in the drill chuck and lock the trigger back and grind away. Takes longer to describe than to do, finish with emery cloth if your stones grind course. Hope this helps. Regards, Randy, Las Vegas ----- Original Message ----- From: BRIAN HOPE Sent: Tuesday, March 21, 2000 9:43 AM Subject: Zenith-List: rivet gun mods > > I have scoured the archives but can't find anything about modifying rivet > gun heads, though I seem to recall reading that a certain Dremel cutter > would do a satisfactory job. > Has anybody carried out the mods themselves and if so could they offer some > advice. > Many thanks Brian Hope. Scratch building a 601 in lil'ol England, home of > the $5 per gallon Avgas ! Subject: Re: Zenith-List: riveter nosepiece John The advantage of the HF nosepieces is that they will fit the HF riveter. I presume that Zenith nosepieces fit the riveter they sell. So, if you have a HF riveter, you'd best use their nosepieces. However, the nosepieces must be machined to form the flathead rivets into ZAC's required dome shape. You can either send HF nosepieces (or those from any other riveter) to ZAC to be machined for $8/ea (<1 week turnaround), or you can machine them yourselves. If you search the archives, you can probably find some info on doing your own machining. You only need to machine the A4 and A5 nosepieces. Terry


    Message 18


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    Time: 11:50:43 AM PST US
    Subject: Re: oil thermastat
    From: nyterminat@aol.com
    Mark, Don't think that I have any off hand but will see about taking some for you Bob -----Original Message----- From: Mark Sherman <msherman95632@yahoo.com> Sent: Tue, 13 Nov 2007 1:12 pm Subject: Re: Zenith-List: oil thermastat Bob, ? If you have any pictures of your installation could you send them to me off list or post them? ? Thanks ? Mark S. 701/912ULS ----- Original Message ---- From: "nyterminat@aol.com" <nyterminat@aol.com> Sent: Tuesday, November 13, 2007 8:40:28 AM Subject: Re: Zenith-List: oil thermastat Ken, I installed the oil thermostat from Lockwood aviation on my 701. I installed it on the motor mount on the right side near the firewall. ? Bob Spudis N701ZX/912S/140hrs Has anyone installed a oil thermastat on the 912 uls on a 701? I am in the process and am having a few issues of finding a location for the thermastat. Would like some experienced advice. ? Ken ________________________________________________________________________ Email and AIM finally together. You've gotta check out free AOL Mail! - http://mail.aol.com


    Message 19


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    Time: 12:19:22 PM PST US
    From: "paul baker" <pbaker4@windstream.net>
    Subject: Re: Van's vents in 601 HD?Van's vents in 601 HD?
    I installed the Van nasa inlets and vents in my601HD. that took care of the cooling of me. But I have a problem cooling my oil. I purchased the plane last fall and had a problem all summer. The oil would sometimes get to 250 and that is not good.The oil cooler is located at the bottom of the firewall and is fed air through the nasa vent on the side. I even put a scoop to catch more air.Lockwood said the oil cooler is large enouth to do the job.An oil thermostat is installed and they said that would not effect the cooler.Sooo..I need help. As a last resort, I could cut a hole in the front of the cowling below the water cooler and mount it there. I am open to suggestions...Anyone? thanks..paul baker 601hd 210 hrs.on 912


    Message 20


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    Time: 12:31:23 PM PST US
    From: Zed Smith <zsmith3rd@earthlink.net>
    Subject: another nosepiece tidbit
    do not archive Back in '99 I acquired an Emhart air riveter. Needing to modify the nosepieces I called ZAC. They told me the exact carbide bur they use. I ordered it from Grainger, modified the nosepieces, etc. As offspring are prone to do, mine used the bur for some worthwhile (so he said) project and doesn't have a clue where he lost it. I do not remember the bur number....a call to Roger Dubbert at ZAC may get it. Seems that I recall it being a "round-nose tree-shaped" bur; had a 3 or 4 digit part number. The cost was about $15. There may be some member of the List with a CNC lathe who could demonstrate his abilities by volunteering to modify your nosepieces. A really advanced CNC setup might even inscribe your N-number in reverse....it would show up on every rivet you install. Hi, Larry! Regards to all, Zed


    Message 21


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    Time: 12:48:20 PM PST US
    From: "George Swinford" <grs-pms@comcast.net>
    Subject: Re: Fwd: Fw: nutplates
    Gig: I buy such pop rivets from Spencer Aircraft in Puyallup, WA. Call them at 800-424-1160 and tell them what you need. You should be able to specify the grip length you require. I can't make out the part no. from the information in the catalog but they will know if you tell them the intended use (I buy them off the shelf, in person). Ask them for a catalog when you order. It has a lot of useful data. They will accept credit cards and mail the rivets promptly. Spencer has been THE place for homebuilders in the Seattle/ Puget Sound area for about the last 40 years and they are good people to do business with. George ----- Original Message ----- From: "Gig Giacona" <wr.giacona@suddenlink.net> Sent: Tuesday, November 13, 2007 9:18 AM Subject: Zenith-List: Fwd: Fw: nutplates <wr.giacona@suddenlink.net> > > That is great info. The only problem is I can't find a 3/32 pop rivet with a flat or countersunk head. All the ones I can locate are domed. Anyone have a Wick's (or other) part number? > > -------- > 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=145742#145742 > > > -- 11/12/2007 12:56 PM > >


    Message 22


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    Time: 01:00:15 PM PST US
    From: "Jeff Small" <zodiacjeff@msn.com>
    Subject: 3/32 pop rivets
    >That is great info. The only problem is I can't find a 3/32 pop rivet with a flat >or countersunk head. All the ones I can locate are domed. Anyone have a Wick's >(or other) part number? Wicks numbers (catalogue is a few years old) All from page 99: AD32ABS dome head - cheap Cherry CCR264SS3-2 and others in the series - countersunk Cherry N CCP-32 and others in series - waaaay too expen$ive Avery Tools has them also and are fine folks with which to do business. You don't need a countersunk pop rivet. What you do need is a riveter nose piece that is flat, not ground out. Even the domed heads will set almost flat. I got most of my 3/32 rivets in the little packages you find in the local auto supply superstore. Don't have a flat nosepiece???take a .125 piece of aluminum, drill a hole that is a loose fit for the mandrel, slip it over the mandrel and pull away. cheers jeff


    Message 23


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    Time: 01:06:04 PM PST US
    From: "Russell J." <entecrj@sbcglobal.net>
    Subject: Re: Van's vents in 601 HD?Van's vents in 601 HD?
    Subject: Re: Zenith-List: Van's vents in 601 HD?Van's vents in 601 HD? I installed the Van nasa inlets and vents in my601HD. that took care of the cooling of me. But I have a problem cooling my oil. I purchased the plane last fall and had a problem all summer. The oil would sometimes get to 250 and that is not good.The oil cooler is located at the bottom of the firewall and is fed air through the nasa vent on the side. I even put a scoop to catch more air.Lockwood said the oil cooler is large enouth to do the job.An oil thermostat is installed and they said that would not effect the cooler.Sooo..I need help. As a last resort, I could cut a hole in the front of the cowling below the water cooler and mount it there. I am open to suggestions...Anyone? thanks..paul baker 601hd 210 hrs.on 912 +++++++++++++++++++++ Is the outlet opening equal to or greater than the total inlet area? If not the air could be stagnating inside the cowling. R. Johnson


    Message 24


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    Time: 02:02:32 PM PST US
    From: Klaus Truemper <klaus@utdallas.edu>
    Subject: Re: oil thermostat
    Hi, Could you send some pictures of the installation? It would help with the analysis. As for now: 2. I would get rid of the oil thermostat. In my plane, there has never been a problem with oil getting not warm enough (190 deg F+). 3. The added scoop may actually interfere with the NACA inlet. See my webpage http://www.utdallas.edu/~klaus/Airplane/cowl_inlets.html for a scoop that I installed to REDUCE cooling for slow flight, but still get good cooling during high-power flight. 4. NACA inlets work only well when the airflow is essentially in line with the horizontal axis of the inlet. This means that during climb in hot weather, the angle of attack cannot be high. For my plane, this means no climbing below 70 kts unless the air is quite cold, say 60 deg or below. 5. Finally, can the air get out of the cowl? Look at the bottom lip on the same picture showing the modified NACA inlet, on the above web page. One way to test for this is by a water gauge that measures pressure differential across the oil cooler. Hope this helps. Please write if you have questions. Best wishes, happy flying, Klaus -- Klaus Truemper Professor Emeritus of Computer Science University of Texas at Dallas Erik Jonsson School of Engineering and Computer Science EC31 P.O. Box 830688 Richardson, TX 75083-0688 (972) 883-2712 klaus@utdallas.edu www.utdallas.edu/~klaus


    Message 25


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    Time: 03:59:15 PM PST US
    From: "Bob Unternaehrer" <shilocom@mcmsys.com>
    Subject: Re: riveter nosepiece
    In my opinion this kind of advice in general can be disasterous to aircraft. Well maybe not every time, but Zenith requires a certain radius to properly seat the rivets to conform to the testing they have done on the aircraft. Grinding to "just any conical shape" migh NOT be so good. I bought mine from ZAC. If for no other reason the price is fair and done by American Craftsman. bob U. ----- Original Message ----- From: Randy L. Thwing To: zenith-list@matronics.com Sent: Tuesday, November 13, 2007 1:29 PM Subject: Re: Zenith-List: riveter nosepiece From the archives: do not archive The Dremel works fine and fast, use a small green round ball (silicon carbide) or any other stone that has a point or round end, Put the riviet gun head in the lathe chuck and while spinning it, fire off the moto-tool, hold it with both hands braced against whatever is nearby, and shape the end in a nice conical shape, starting from the hole in the center and working outward, keep the cone shallow, you can always go deeper. No gottem lathe? Sure you do, put your fastest turning pistol grip drill motor in your workbench vise, usually upside down with pistol grip up, (up is towards the sky for you airplane builders!) tighten vise enough to hold drill case, not crushing it where the armature will never turn again! Place the rivet head in the drill chuck and lock the trigger back and grind away. Takes longer to describe than to do, finish with emery cloth if your stones grind course. Hope this helps. Regards, Randy, Las Vegas ----- Original Message ----- From: BRIAN HOPE Sent: Tuesday, March 21, 2000 9:43 AM Subject: Zenith-List: rivet gun mods > > I have scoured the archives but can't find anything about modifying rivet > gun heads, though I seem to recall reading that a certain Dremel cutter > would do a satisfactory job. > Has anybody carried out the mods themselves and if so could they offer some > advice. > Many thanks Brian Hope. Scratch building a 601 in lil'ol England, home of > the $5 per gallon Avgas ! Subject: Re: Zenith-List: riveter nosepiece John The advantage of the HF nosepieces is that they will fit the HF riveter. I presume that Zenith nosepieces fit the riveter they sell. So, if you have a HF riveter, you'd best use their nosepieces. However, the nosepieces must be machined to form the flathead rivets into ZAC's required dome shape. You can either send HF nosepieces (or those from any other riveter) to ZAC to be machined for $8/ea (<1 week turnaround), or you can machine them yourselves. If you search the archives, you can probably find some info on doing your own machining. You only need to machine the A4 and A5 nosepieces. Terry


    Message 26


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    Time: 04:02:25 PM PST US
    From: "Brad Cohen" <bradfnp@msn.com>
    Subject: 3/32 pop rivets
    Aircraft spruce has countersunk rivets. If you want specific part numbers, contact me off list -brad cohen >From: "Jeff Small" <zodiacjeff@msn.com> >To: <wr.giacona@suddenlink.net>, "zenith-list" <zenith-list@matronics.com> >Subject: Zenith-List: 3/32 pop rivets >Date: Tue, 13 Nov 2007 15:56:47 -0500 > > >That is great info. The only problem is I can't find a 3/32 pop rivet >with a flat > >or countersunk head. All the ones I can locate are domed. Anyone have a >Wick's > >(or other) part number? > >Wicks numbers (catalogue is a few years old) > >All from page 99: > >AD32ABS dome head - cheap > >Cherry CCR264SS3-2 and others in the series - countersunk > >Cherry N CCP-32 and others in series - waaaay too expen$ive > >Avery Tools has them also and are fine folks with which to do business. > >You don't need a countersunk pop rivet. What you do need is a riveter nose >piece that is flat, not ground out. Even the domed heads will set almost >flat. I got most of my 3/32 rivets in the little packages you find in the >local auto supply superstore. > >Don't have a flat nosepiece???take a .125 piece of aluminum, drill a hole >that is a loose fit for the mandrel, slip it over the mandrel and pull >away. > >cheers jeff


    Message 27


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    Time: 04:46:43 PM PST US
    Subject: Re: Pegastol Wings
    From: "kmccune" <kmccune@somtel.net>
    Check out skyhawg dot com. He posted above. Kevin -------- Kevin Read this topic online here: http://forums.matronics.com/viewtopic.php?p=145831#145831


    Message 28


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    Time: 05:12:06 PM PST US
    From: "Jeff " <jeffrey_davidson@earthlink.net>
    Subject: 3/32 pop rivets
    Yes, rivets this size are hard to find. Aircraft Spruce carries flush Cherry Q rivets in the 3/32 inch size, but only in stainless Steel. Expensive at $.22 each. Part number CCC-32. Jeff D


    Message 29


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    Time: 07:14:56 PM PST US
    From: "Jon Croke" <Jon@joncroke.com>
    Subject: Re: Zenith Fuel Senders and water
    John, >From personal experience... I used water to leak test the tank and test the fuel senders.. the problem: you will get erroneous readings on your ohm meter while testing the sender unit... the water in the aluminum tank along with the sender submerged distorts the meter resistance reading (depending on the salt/other impurities in the water) - so you cannot accurately determine the sender resistance at empty and full levels. I have no knowledge of potential damage to the unit. Also, do not forget another important test - put your fuel cap on while draining the tank from the outlet to confirm that the cap is indeed venting properly... ----- Original Message ----- From: "John Davis" <johnd@data-tech.com> Sent: Tuesday, November 13, 2007 11:45 AM Subject: Zenith-List: Zenith Fuel Senders and water > > Hi Guys, > > I've seen a post on some forums that using water to test your fuel tanks > will ruin the Zenith fuel senders (they didnt say why it would), and now > I've seen a builder's website where he used water to test for leaks in his > tanks and check the senders. > > So, will water damage the senders ? > > Thanks in advance, > John Davis > Burnsville, NC > 601XL - Jab 3300 >


    Message 30


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    Time: 07:31:46 PM PST US
    From: "Randy L. Thwing" <n4546v@mindspring.com>
    Subject: Re: riveter nosepiece
    Hello Bob: do not archive >From your post: "Zenith requires a certain radius" Could you please furnish a link or reference to a Zenith source or drawing where this radius is specified? I don't mind anyone not agreeing with my point of view, but if you're going to quote my posts, please quote accurately. My message does not contain the phrase: "just any conical shape". My Zenith construction manual shows a drawing depicting a conical nosepiece with no radius or depth of radius specified, with only a notation directed at the still flat edges of the nosepiece: "should not damage parts!". Best Regards, Randy, Las Vegas ----- Original Message ----- From: Bob Unternaehrer To: zenith-list@matronics.com Sent: Tuesday, November 13, 2007 3:58 PM Subject: Re: Zenith-List: riveter nosepiece In my opinion this kind of advice in general can be disasterous to aircraft. Well maybe not every time, but Zenith requires a certain radius to properly seat the rivets to conform to the testing they have done on the aircraft. Grinding to "just any conical shape" migh NOT be so good. I bought mine from ZAC. If for no other reason the price is fair and done by American Craftsman. bob U. ----- Original Message ----- From: Randy L. Thwing To: zenith-list@matronics.com Sent: Tuesday, November 13, 2007 1:29 PM Subject: Re: Zenith-List: riveter nosepiece From the archives: do not archive The Dremel works fine and fast, use a small green round ball (silicon carbide) or any other stone that has a point or round end, Put the riviet gun head in the lathe chuck and while spinning it, fire off the moto-tool, hold it with both hands braced against whatever is nearby, and shape the end in a nice conical shape, starting from the hole in the center and working outward, keep the cone shallow, you can always go deeper. No gottem lathe? Sure you do, put your fastest turning pistol grip drill motor in your workbench vise, usually upside down with pistol grip up, (up is towards the sky for you airplane builders!) tighten vise enough to hold drill case, not crushing it where the armature will never turn again! Place the rivet head in the drill chuck and lock the trigger back and grind away. Takes longer to describe than to do, finish with emery cloth if your stones grind course. Hope this helps. Regards, Randy, Las Vegas ----- Original Message ----- From: BRIAN HOPE Sent: Tuesday, March 21, 2000 9:43 AM Subject: Zenith-List: rivet gun mods > > I have scoured the archives but can't find anything about modifying rivet > gun heads, though I seem to recall reading that a certain Dremel cutter > would do a satisfactory job. > Has anybody carried out the mods themselves and if so could they offer some > advice. > Many thanks Brian Hope. Scratch building a 601 in lil'ol England, home of > the $5 per gallon Avgas ! Subject: Re: Zenith-List: riveter nosepiece John The advantage of the HF nosepieces is that they will fit the HF riveter. I presume that Zenith nosepieces fit the riveter they sell. So, if you have a HF riveter, you'd best use their nosepieces. However, the nosepieces must be machined to form the flathead rivets into ZAC's required dome shape. You can either send HF nosepieces (or those from any other riveter) to ZAC to be machined for $8/ea (<1 week turnaround), or you can machine them yourselves. If you search the archives, you can probably find some info on doing your own machining. You only need to machine the A4 and A5 nosepieces. Terry href="http://www.matronics.com/contribution">http://www.matronics.com/c href="http://www.matronics.com/Navigator?Zenith-List">http://www.matron href="http://forums.matronics.com">http://forums.matronics.com ------------------------------------------------------------------------- ----- 11/13/2007 11:09 AM


    Message 31


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    Time: 09:07:04 PM PST US
    Subject: Progress - thanks to good old Dad!
    From: "jhines" <johnrhines@gmail.com>
    You just cant beat good old Dad. I met my Dad in Branson (the tackiest city in the world) over the weekend so we could hang out. It was my birthday and he had a set of flanging dyes made for me buy a local machinist. What a cool dad! The other cool thing is that the machinist had a scale Cub hanging from the roof of his shop that he built a long time ago. Small world. Check out the picture. John Hines www.johnsplane.com -------- John Hines Read this topic online here: http://forums.matronics.com/viewtopic.php?p=145874#145874 Attachments: http://forums.matronics.com//files/flanging_dye2_706.jpg


    Message 32


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    Time: 10:32:31 PM PST US
    Subject: Re: Pegastol Wings
    From: "RayStL" <ray.stlaurent@vsea.com>
    My Pegastol, Suzuki powered CH701 is finally done. I am waiting my flight authorization to arrive (after a bit of a mixup). It will be faxed to me in a couple of days. I expect to be airborne by Saturday, weather permitting. I will post some real numbers as soon as I get them. -- Ray Read this topic online here: http://forums.matronics.com/viewtopic.php?p=145887#145887




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