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Here are a couple more low speed air compressors layouts that could be used with one of the slow speed solar engines. The one on the left is just like the last ones but uses 4inch by 4in stroke air cylinders. This one would pump up an air tank a bit faster than the last couple versions.
The drawing on the right is a self contained setup that can be used to pump air or water with the the correct valves. I didn’t draw the valves onto the top cylinders due to that. Connect up hot and cold water and it goes….
This second set of drawings are basically like the engine on the right above with a rotating output or a pump output depending on what is setup on the back side of the mounting plate or seperately.
The rotary output uses two #25 chains and a couple of one-way sprockets to cause the output shaft to turn in only one direction as the engine side oscillates up and down turning it’s output shaft back and forth.
The pump side uses the back and forth rotary motion of the engines output shaft to turn two drive wheels that have connecting rods to the piston attached. The two drive wheels are connected with a cable that crosses in the middle so that they turn in opposite directions. This keeps the side forces off the piston rod. The drive shaft of the engine turns back and forth about 362 degrees which works out really nice to drive the piston completely up and down.
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