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nosky2high
Joined: 07 Oct 2008
Posts: 13
Location: Fayetteville, NC
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 Posted: Sat Dec 27, 2008 12:00 pm Post subject: Flap Trailing Edge Rivet HELP! |
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Greetings, my first post from a new 650 builder,
What are you all doing about the trailing edge rivets on the flap? When riveting one side the previous rivet gets in the way of the opposite side. Any advice?
I'm sure there is an easy fix, I'm going to be proof that a greenhorn amateur can really build an airframe.
Happy Holidays,
Anthony
Ft.Bragg, NC
ZenVair650 builder
Tail done, wing flaps started, engine test ran!!!
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_________________
Anthony Hanson
Ft.Bragg, NC
Kiowa Warrior Pilot
Building ZenVair650 from Nov'08 ZAC 650 kit, tail 95%, Flaps Done, Working on Ailerons, Engine test ran. |
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Gig Giacona
Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA
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| Posted: Sat Dec 27, 2008 12:24 pm Post subject: Re: Flap Trailing Edge Rivet HELP! |
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Welcome to the family Anthony.
They need to be offset. Not by much but a little. I seem to remember there was a spot on the Rudder that was the same way. You will run into some more places like that as you build.
| nosky2high wrote: | Greetings, my first post from a new 650 builder,
What are you all doing about the trailing edge rivets on the flap? When riveting one side the previous rivet gets in the way of the opposite side. Any advice?
I'm sure there is an easy fix, I'm going to be proof that a greenhorn amateur can really build an airframe.
Happy Holidays,
Anthony
Ft.Bragg, NC
ZenVair650 builder
Tail done, wing flaps started, engine test ran!!! |
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_________________
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR |
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nosky2high
Joined: 07 Oct 2008
Posts: 13
Location: Fayetteville, NC
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| Posted: Sat Dec 27, 2008 1:14 pm Post subject: Re: Flap Trailing Edge Rivet HELP! |
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Not sure how to offset? skins are predrilled and I'm down to the last 6 rivets, hopefully there's a solution out there so I don't have to drill out an entire flap.
Anthony
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Anthony Hanson
Ft.Bragg, NC
Kiowa Warrior Pilot
Building ZenVair650 from Nov'08 ZAC 650 kit, tail 95%, Flaps Done, Working on Ailerons, Engine test ran. |
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jaybannist(at)cs.com
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| Posted: Sat Dec 27, 2008 1:16 pm Post subject: Flap Trailing Edge Rivet HELP! |
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Anthony.
My flap skins were not pre-drilled, so I just offset the holes enough to allow both rivets to be set. If yours are pre-drilled, the best answer is to find some Avex rivets that are long enough to clinch the joint, but short enough to eliminate interference. You might also try inserting rivets through both sides at angles to each other and then pulling them a little at a time, alternating between rivets.
You are going to find, later in the construction, other places where interferences occur. This is especially true where you install A5 rivets in both legs of an angle. With the tail of an A5 rivet protruding toward the inside of an angle, there is no way you can get clearance for the rivet gun to pull a rivet from the inside of the angle. In one instance (on the firewall, I think), I hadn't offset the holes and had to drill out a whole row of rivets. When I re-did it, I set the rivets in the first leg from the inside of the angle (head inside, tail outside), those in the other leg I set from the outside of the angle (head outside, tail inside).
Moral: Look ahead and think!
Jay in Dallas
--
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Davcoberly(at)wmconnect.c
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| Posted: Sat Dec 27, 2008 1:18 pm Post subject: Flap Trailing Edge Rivet HELP! |
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Zenith will tell you to cock them crooked and while pushing down and pulling with a hand puller straighten them up as you go. That didn't work for me so I drove the center stem out and ground the body short enough to fit put the pin back in and pulled them -worked good- but would do it only with that last rivet on trailing edge because they won't be as strong.
David Coberly 601XL / Corvair [quote][b]
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Terry Phillips
Joined: 11 Jan 2006
Posts: 346
Location: Corvallis, MT
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| Posted: Sat Dec 27, 2008 1:48 pm Post subject: Flap Trailing Edge Rivet HELP! |
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Anthony
Don't drill. FWIW, I'll append my comment from my builders log regarding
this problem. It must have worked, because the rivets are in place now.
"3. After the bottom was riveted, the trailing edge rivets could not be
inserted on the top because the rivet on the bottom is in the way. The
pilot holes should have been offset to avoid this problem. I recall there
was a place on the empennage where the holes were offset to avoid this sort
of problem. ZAC really should modify their pilot drilled kits to eliminate
this conflict.
4. Called ZAC; Caleb suggested tilting the top rivet and forcing it in
until an edge was in contact with the skin. Then pulling the rivet with a
hand riveter and moving it normal to the surface as it shortens. He said
that if the rivet could not be inserted until an edge was in contact with
the skin, then the hole should be enlarged with a drill at an angle until
the rivet could be inserted.
After examining the aileron skins for the same problem and looking again at
the flaps, I concluded that the conflict would be reduced if I had riveted
the top- trailing-edge-skin before the bottom skin. It looks like, because
of the angles and placement of the pilot holes, a set bottom rivet
interferes with the top rivet insertion more than vice-versa."
Good luck.
Terry
At 01:14 PM 12/27/2008 -0800, you wrote:
| Quote: | Not sure how to offset? skins are predrilled and I'm down to the last 6
rivets, hopefully there's a solution out there so I don't have to drill
out an entire flap.
Anthony
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Terry Phillips ZBAGer
ttp44~at~rkymtn.net
Corvallis MT
601XL/Jab 3300 s .. l .. o .. o .. w build kit - Tail, flaps, & ailerons
are done; working on the wings
http://www.mykitlog.com/N47TP/
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Terry Phillips
Corvallis, MT
ttp44<at>rkymtn.net
Zenith 601XL/Jab 3300 slow build kit - Tail feathers done; working on the wings. |
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Afterfxllc(at)aol.com
Guest
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| Posted: Sat Dec 27, 2008 4:02 pm Post subject: Flap Trailing Edge Rivet HELP! |
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Anthony,
The way to get around this problem is to take the stem out of the rivet and shorten the rivet then reinsert the stem and you can get it in without cocking it sideways and making your new flap look like crap. When you get really good you will be able to race the rivet gun and beat the head to the skin before it sets but don't try this unless you have set a million gazillion rivets.
Jeff
| Quote: | Greetings, my first post from a new 650 builder,
What are you all doing about the trailing edge rivets on the flap? When riveting one side the previous rivet gets in the way of the opposite side. Any advice?
I'm sure there is an easy fix, I'm going to be proof that a greenhorn amateur can really build an airframe.
Happy Holidays,
Anthony
Ft.Bragg, NC
ZenVair650 builder
Tail done, wing flaps started, engine test ran!!!
--------
Anthony Hanson
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One site keeps you connected to all your email: AOL Mail, Gmail, and Yahoo Mail. Try it now.
[quote][b]
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nosky2high
Joined: 07 Oct 2008
Posts: 13
Location: Fayetteville, NC
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| Posted: Sat Dec 27, 2008 6:30 pm Post subject: Re: Flap Trailing Edge Rivet HELP! |
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Got it; thanks for the advice, flaps complete, ailerons started. What a cool project, I only wish I'd started years ago.
a
do not archive
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Anthony Hanson
Ft.Bragg, NC
Kiowa Warrior Pilot
Building ZenVair650 from Nov'08 ZAC 650 kit, tail 95%, Flaps Done, Working on Ailerons, Engine test ran. |
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n801bh(at)netzero.com
Guest
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| Posted: Sat Dec 27, 2008 7:35 pm Post subject: Flap Trailing Edge Rivet HELP! |
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Anthony, almost every one of us feel the same way. Building a plane is way KOOL and finally flying it is " PRICELESS".... Enjoy the build and don't think twice of asking questions here, we have been there, done that.
Zenith Aircraft is a great bunch to do business with too and will steer you straight....
Happy New Year and do not archive
Ben Haas
N801BH
www.haaspowerair.com
-- "nosky2high" <nosky2high(at)yahoo.com> wrote:
--> Zenith-List message posted by: "nosky2high" <nosky2high(at)yahoo.com>
Got it; thanks for the advice, flaps complete, ailerons started. What a cool project, I only wish I'd started years ago.
a
do not archive
--------
Anthony Hanson
Read this topic online here:
http://forums.matroni================================================nbsp; (And Get Some -Matt Dralle======================== - The Zenith-List========================================================================================================
____________________________________________________________
[url=_blank]Get educated. Click here for Adult Education programs.[/url]
[quote][b]
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