Neville's Bearhawk

Sealing fabric flaps and ailerons, rubber trim, aileron counterbalance, Pitot tube

Sealing flaps and ailerons

I purchased some more Ekobond and finished fabric sealing the flaps and aileron. They're now ready for painting.


Rubber trim

I purchased some rubber "U" trim and did a couple of test strips on some .025 aluminium. The issue is how to glue it into place with such a small extrusion and very little surface area.

So far superglue is working much better than a contact adhesive. I went ahead and added rubber trim to the lower strut fairings. They seem to have turned out well.

Aileron counterbalance 

I used small #9 lead shot to fill the aluminium tubes, then masked off one end and poured epoxy into the other end. Then I upended the tube to allow the epoxy to soak downwards.

Once that had set, I removed some of the shot and poured epoxy into the other end and allowed that to soak down. Once it's cured I'll re-weigh the tubes and fine tune with the extra shot.

Pitot tube

I drilled and used self tapping screws to secure the pitot tube to the mount.

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