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taffy0687(at)YAHOO.COM
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 Posted: Sat Jun 24, 2006 4:52 am Post subject: scratchbuilt aileron bellcrank/ "air riveter" |
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all below is true, but, does it have to be that complicated? Are you saying you can't "set" a rivet with a hammer, "drift pin", "anvil" ??? How did the "old timers" do it prior to the aviailabiliy of air driven tools ??
Fritz
Edward Moody II <dredmoody(at)cox.net> wrote:
[quote]--> Zenith-List message posted by: "Edward Moody II"
I don't have the photo you asked for but the way to get a countersunk head
on both ends of a rivet is this. Both sides of the rivet hole ARE
countersunk. You have to select the right length rivet by trial and error
but once you get that right, it isn't difficult. You need a pnuematic rivet
gun and a backrivetting plate. You set the rivet in the hole and secure it
there with rivetting tape. Then turn the work over and set the taped head
down on the backrivetting plate. Use a flush rivet driver attachment on the
rivet gun to hammer the formed head into the countersink space. If you don't
have these tools, find a guy who has built an RV6, 7, or 8 and ask him about
the trailing edge rivets in his rudder. They are done exactly this way.
Hope that helps,
Ed Moody II
Rayne, LA
601XL / wings
[quote] --> Zenith-List message posted by: kevinbonds(at)comcast.net
Can someone send me a picture of one of the aileron bellcranks that will
explain the riveted spacer assembly on 6W10-1&2. The side view drawing of
the spacer and bellcrank showing countersunk rivets does not make sense to
me. Looks like both the shop-head and factory-head are both countersunk on
each rivet. Is this correct? How does one do this?
Kevin How low will we go? Check out Yahoo! Messenger’s low PC-to-Phone call rates.
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randy(at)shadycreekoutlaw
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| Posted: Sat Jun 24, 2006 5:34 am Post subject: scratchbuilt aileron bellcrank/ "air riveter" |
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I don't have pictures of my aileron bellcrank right now to post, but what I did was to counter sink both sides/blocks/spacers, put the rivet through the holes, lay the flat head of the rivet on an anvil, and smash the other end with a small ball peen hammer... Looks great... I'm happy with the way it turned out...
Randy
XL Wings - Plans Only
http://www.n344rb.com
Do Not Archive
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david_a_g_johnson(at)btin
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| Posted: Sat Jun 24, 2006 5:45 am Post subject: scratchbuilt aileron bellcrank/ "air riveter" |
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I had the same problem - also the solid rivets on the brake pedals.
I just squeezed the rivets in a bench vice with a couple of sheets of scrap ali. to avoid marking the surfaces.
Dave Johnson
do not archive
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bjohnson(at)satx.rr.com
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| Posted: Sat Jun 24, 2006 6:16 am Post subject: scratchbuilt aileron bellcrank/ "air riveter" |
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You CAN set solid rivets with a hammer, I set hundred of them on the wing
spar of my Sonex. Polish the head of a bolt & use that between the hammer
and the rivet. With very little practice your buck’n rivets
Bruce
________________________________________
[mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Dave Johnson
Sent: Saturday, June 24, 2006 8:41 AM
I had the same problem - also the solid rivets on the brake pedals.
I just squeezed the rivets in a bench vice with a couple of sheets of scrap
ali. to avoid marking the surfaces.
Dave Johnson
do not archive
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dredmoody(at)cox.net
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| Posted: Sat Jun 24, 2006 6:39 am Post subject: scratchbuilt aileron bellcrank/ "air riveter" |
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Nothing of the sort. It can definitely be done with a hammer and anvil. It's just a bit easier to control the result if you have the tools mentioned and/or access to an RV guy who's done it a zillion times already. There are a lot of RVs out there so I figured the odds were in favor of you having some help from that direction. I mean honestly, you can't swing a dead cat in this area without hitting one of them.
As for old timers? I honestly don't know. I came along too late to experience that and it's an area of history I haven't pondered. What I do know is that scratch builders are some ingenious mothers and if one of them says it works, it probably does.
Ed
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