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Old 09-13-2008 | 10:10 PM
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SCALECRAFT
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From: MONTEBELLO, CA
Default RE: CMP BF109F BUILDING THREAD

BQ

Here are some pics to show what I'm doing. I have nine pics, but I can't get them on without timing out, so slowly I'll post.

Takes more time to think up the design then to do the job. Total time around 1 hour of shaping and cutting. Of course the other wing will be easy now.

The pic should show the new wood ribs butt up against the outside of the original CMP ribs. The inboard rib is 5 ply 3/16 and the outboard rib is 1/8 3 ply. All ribs will support.

I have put green marker on the new ribs to show them. The rear rail is 3.9"x.5"x.5" 5 ply wood. 2, 1/4" plys glued together.

I have also pics of how to get the rib shapes with a contour gauge to cut templates for the wood ribs.

Positioning the LG rails is a bit tricky to explain, and not for everybody, but easy to do. So here i go.

The sheeting around the LG ribs has been removed as shown in previous pics. Some of the original ribs will have to be ground out with a dremel and sanding drum.

1) I used the original CMP retract rail on the front retract mount. Screw the retract you plan on using to the rails, centered. Larger new hand cut rail in back position of retract.

2) Now you have a retract with rails attached. The front rail is the one that will be glued in to hold the LG in position for now.

3) Position the LG front rail against the inboard rib, extend the strut, and position the forward rake you want and LG angle. Use scale pics for reference.

4) Now note the aprox position of the rails and try to hold and retract the strut into the wheel well. Aim for the strut to pass through the center of the "wheel well"

5) When you have settled on a location where the front rail meets the ribs, use CA only to the front rail assembly.

More to come ..
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