12 May 2009

Fuselage Jig

 

Transferred the drawing onto the jig base thanks to the Corby Starlet Newsletter I bought from the editor Vic Boyce - handy builders notes. Gluing guide blocks onto it tonight. Does both sides.
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Laminations complete. Let the trimming begin!

I finished the final laminate layer before Easter. Since then I've been sanding front and back faces flat and having chosen a most flat face, I went to the least flat face and practiced the precision drawing onto the spar blank - of The Cut. Having got that largely wrong (the plans says the spar has a straight taper, but that doesn't explain the 750lb mod to the top centre of the spar which distorts the calcs). I tried again on the other side and decided to compromise the straightness with a more even curve top and bottom. There's already a warp and washout built into the rib angles so a minor extra curve should be ok, (Wait for covering problems!).

 

Now I am read for The Cut. But how?

Hand saw. Slowly and carefully. I'm not taking it to a professional. If the they bugger it up there would be serious trouble.

I thought optimistically this could be done by the End of January! Anyway, I am building my fuse jig too.