I was not happy with the smaller and larger hand tools for setting rivnuts and during the build of the tanks I had some spinning rivnuts which is annoying to fix. So time for improvement.
Continue reading “Rivnut tool / rudder box”
It took a while before I received the SuperFil from a vendor in the UK due Corona and Brexit.
Continue reading “Rivet filling with SuperFil”
After filling the 4 mm rivets on the top side of both wings I continued with the 3.2 mm rivets of the left wing.
Continue reading “Filling 3.2 mm rivets left wing”
While sanding the excess resin with micro from the rivet heads you have to be careful to not remove any aluminium from the rivet.
Removing just a tiny bit is done easily, I measured on a test rivet about 0.1/0.2 mm.
This doesn’t seem to be much but will it impact the strength of the rivet?
For educational purposes I did some shear and tensile tests with the 3.2 and 4.0 mm rivets.
Continue reading “Rivet shear / tensile test”
After the resin with micro was cured it was time to sand the filler away.
Continue reading “Rivet head sanding”
While working on the wingtips the wings are in a perfect position to fill the top rivet heads.
Continue reading “Rivet head filling”
Covid-19, beautiful weather, time to cleanup the workshop.
Continue reading “Workshop clean up”
My 22 year old compressor started moving around in my workshop. Something’s not right here.
Continue reading “New compressor”
After digging a bit more into bolts and nuts a learned that torque isn’t tension.
Continue reading “Torque vs tension”