[MacGyver] [Lou Wozniak] is on a mission to build an internal combustion engine using only hardware ... parts (including a peanut butter jar) which make his carburetor with a valve pointing ...

We all know how a conventional internal combustion engine works, with a piston and a crankshaft. But that’s by no means the only way to make an engine, and one of the slightly more unusual ...

THE task of making an engine crank is by no means beyond the ... For turning the crank pin, make a flange of the form indicated at B (Fig. 2) with two ears at the outer end, as shown at D.