I remember a hacksaw our local gunsmith had in his shop, shortly after the end of WWII. It was a regular hacksaw frame, clamped in a home-brew base and driven by a hydraulic ram. The "handle of the saw clamped into a pivot, so the far end could be raised, a machinist's vise was placed in the appropriate spot and the saw lowered to the work. The hydraulic ram pushed and pulled the saw across the work piece and the weight of the ram lowered the saw through the work. As the saw stroked "forward," it tripped a valve, which then reversed the stroke, which tripped a valve, which reversed the stroke, which...
Any ideas or comments, other than the cost for parts and fabbing it would cost more than a hobby bandsaw?
Pops armed_and snipped-for-privacy@technologist.com (remove the nitrous sulfide to email)