You can likely make the propeller usable until you can send it out for recon. You’ll need two adjustable ... You will be removing some metal — and thus changing the size of the blade minutely. Every ...

A poorly-designed propeller can lead to poor fuel efficiency or low top speeds, and even reduce the lifespan of other ship components. Once a design has been selected, the molten metal is poured ...

TheCrafsMan is a gentle soul, introducing his tutorial with a hand puppet that promises to teach viewers how to “make something that looks like metal ... of his prop bolt is carried out, and ...