I haven't seen a Takuma in the flesh so I'm kind of puzzled by the slanted thread running between the holes there....

Anyway, I would fill the whole thing flush with fast epoxy and chop strand carbon. Sand and put a coat of resin over the busted up skin on the sides.

Then get the appropriate helicoil insert set, tap, drill bit etc and reset the holes with your stab as a template. sand the whole thing, and done.

Hey mate just wondering if you resolved this issue? I've done pretty much the same thing. Had a few tries at resetting the insert but it keeps cracking

falcon said..
Hey mate just wondering if you resolved this issue? I've done pretty much the same thing. Had a few tries at resetting the insert but it keeps cracking

While your at fixing it, why not add some extra holes to shorten the fuse length - can anyone tell me if the fuselage is solid carbon?

Clamsmasha said..
I haven't seen a Takuma in the flesh so I'm kind of puzzled by the slanted thread running between the holes there....

Anyway, I would fill the whole thing flush with fast epoxy and chop strand carbon. Sand and put a coat of resin over the busted up skin on the sides.

Then get the appropriate helicoil insert set, tap, drill bit etc and reset the holes with your stab as a template. sand the whole thing, and done.

Don't use "fast epoxy", as the stuff generally doesn't get hard enough. I have done repairzblike this a couple of times. chopped carbon and epoxy slurry followed with a heli-coil inserts works ok. Often those threads end up pulling out again though-make sure you use "lots of lube" aka tefgel.
The other method is to sand the saddle down a bit, wrap carbon cloth around sanded saddle area. Make sure to wrap the cloth with electrical tape(sticky side out) to keep the fibers tight. let cure, reshape and helicoil it. This will last longer but involves a bit(lot) more fanagling.