I am working on restoring an old marine head (toilet) that utilizes a hand operated piston pump to intake fresh seawater and discharge the waste. for an idea of how the pump is designed picture a hydraulic cylinder whee the rod end is used to pump fresh water and the base end is used to pump...
I am designing shaft that will transmit torque from a pulley at one end to a plate near the middle. The shaft is roughly 4” long and I am hoping for a .5” diameter shaft. I might be able to go up to a .625” shaft without causing catastrophic problems elsewhere in the assembly but any bigger and...
I am attempting to seal a an output of a gearbox against water and dust. This seal is intended to make the joint weather resistant and the pressure differential will be minimal. It needs to be cheap so I was hoping to use an O-ring. The O-ring would need to seal in the axial direction between...
