Posted by 330 Standard on June 08, 2020 at 07:02:08 from (198.70.164.145):
OK here's one I need some help with. I am not a math person nor am I an engineer person so I am not good at this which is why I am reaching out. I purchased a homemade Unstyled JD A cutaway that the previous owner designed to run off the PTO of another tractor backed up to it. It is really very well done but I want to convert it to drive with an electric 110/120v motor for a number of reasons the first being eliminate the noise of the 2nd running tractor and more control. Currently it is set up where the drive tractor pto shaft drives a large sprocket with a chain driving a smaller sprocket mounted on the PTO of the cutaway. I don't mind hooking the electric motor up directly to the large sprocket instead of directly on the PTO sprocket but I don't know anything about how much torque I'd need etc. I looked up engine speed of a running tractor and its 975 that would put the PTO at 540 normally. I have seen this cutaway running before and the engine did turn slowly with the drive tractor running at what I'd call pto speed. Does anybody have any suggestions on where to purchase and what size, type motor I could get and hook up directly to the PTO and get the speed down to where the motor on the unstyled JD A cutaway turns very slowly so folks can watch the pistons, valves etc move slowly. I think this will be very cool to take to the shows and even some of our school ag mech classes but I think the electric motor with a simple on off switch would be a lot safer. Thanks in advance for the help and I look forward to see what suggestions the community comes up with.
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