Rubber isolator mounts should not have a gap between them and the engine mount when properly torqued.
First, let’s talk about “polarization”; there are three polarizations. The first two are easy.
A near-zero-effort way to remove the protective blue plastic film from large sheets of aluminum.
A typical day in the shop for me would be unusual if I didn’t use a magnifier at least once.
This is a very critical bolt that attaches the horizontal stabilizer to the fuselage in an aerobatic airplane. The bolt is not tight, and...
Evaluation and Removal.
Scrape Without Scratching