r impossible to drill a
long straight hole in aluminum with a hand drill. These are the things in the manual that really piss me off: you get a whole page telling you how to debur and rivet, which you have already been doing for 5 years, and a critical step like this gets one sentence. I don't see any reason why you would want to wait until the wings and fuse are done to drill out these holes, but that seems to be the accepted way. For that matter, in hindsight I would drill/ream ALL bolt holes that I possibly could on the drill press and not wait until they were a permanent part of the airplane. One trick I got from a machinist friend to enlarge holes while keeping them as straight as possible with a hand drill is to step up with reamers, because reamers tend to stay on the axis of the hole better than drill bits. You need a bunch of expensive reamers though. My next plane will be perfect.
From: dgreaton@maine.rr.com
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] Wing Install
Date: Thu, 31 Dec 2009 22:28:01 -0500
Thanks Dick,
I do have a smart level and will make sure that I ream every thing for a
close fit.
Have a Happy New Year.
Dave Greaton
----- Original Message -----
From: "Richard Wampach" <rwampach@comcast.net>
To: <rebel-builders@dcsol.com>
Sent: Thursday, December 31, 2009 10:09 PM
Subject: RE: [rebel-builders] Wing Install
Don't forget the lift struts also get 5/8" bolts for a SR-3500.
Drill and final ream them to size when setting the 1* Dihedral on the
wings,
use a digital level if you have one down to 1-tenth degree.
A snug fit would be best for all 3 points if you have the equipment, be as
precise as you can.
Dick Wampach SR-108 N331RW
-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of Jeff
Micheal
Sent: Thursday, December 31, 2009 4:26 PM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] Wing Install
Dave,
There's a STEEL bushing that goes in your wing main spar. Bolts used to
secure front attach point is AN10 for Moose, AN8 for Super Rebel.
Cheers,
Jeff
On Thu, Dec 31, 2009 at 4:12 PM, David R. Greaton
<dgreaton@maine.rr.com>wrote:
Hi All,
I'm getting ready to install my wings.
I'm confused. In the manual it says to drill to the final size on the
main spar attach 1/2". My main spar on the wing is already drilled to
3/4". What's up???
Thanks in advance,
Dave Greaton
SR/Moose 189
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