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carlossa52(at)gmail.com
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 Posted: Wed Oct 10, 2007 9:02 am Post subject: access panels |
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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
[quote][b]
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DaveG601XL
Joined: 27 Oct 2006
Posts: 351
Location: Cincinnati, Oh
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| Posted: Wed Oct 10, 2007 10:56 am Post subject: Re: access panels |
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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,
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David Gallagher
Cincinnati, OH area |
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Ron Lendon
Joined: 10 Jan 2006
Posts: 685
Location: Clinton Twp., MI
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| Posted: Wed Oct 10, 2007 6:42 pm Post subject: Re: access panels |
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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
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Ron Lendon
WW Corvair with Roy's Garage 5th bearing
CH 601 XLB
N601LT - Flying
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
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leinad
Joined: 19 Sep 2006
Posts: 283
Location: Central Virginia
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| Posted: Sun Oct 14, 2007 5:34 pm Post subject: Re: access panels |
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Dave,
Good job and great picture. I do have a question though. Isn't that the wrong color nav light? Left wing should be red I think.
Dan
| DaveG601XL wrote: | 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, |
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Scratch building XL with Corvair Engine |
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DaveG601XL
Joined: 27 Oct 2006
Posts: 351
Location: Cincinnati, Oh
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| Posted: Mon Oct 15, 2007 3:08 am Post subject: Re: access panels |
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Well Dan, you got me on that one. In my defense, I only grabbed the closest light to me and used it as the guinea pig on both sides for fit-ups. The lights have not been back in since and await patiently in the box.
One more thing, the hole in the outer panel, as it turns out, is a great grip point for lifting the wing. It has proved to be strong enough to use as a hand hold without distorting. I upped the tip skin piece to .025 (kit is .016).
Good luck,
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David Gallagher
Cincinnati, OH area |
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