centor Posted September 17, 2011 Posted September 17, 2011 (edited) I have to use a small air receiver to build a wheeled vehicle that will be operated by compressed air. The goal is to build the vehicle that can travel in a straight line, towing a standard load (about 3-4 lbs), on one charge of 90 psi in the receiver.The volume of the receiver is 16 cu in. I cant use any air or electric motors. But I can use cylinders. What are some good ideas to accomplish this? I was thinking of using a crank shaft mechanism with the cylinder. How can I make the most out of 90 psi of pressure. Edited September 17, 2011 by centor 1
insane_alien Posted September 17, 2011 Posted September 17, 2011 90psi isn't a quantity of air, it is a pressure. it will give you 620.5J per litre of air. the number of strokes you get out of your engine will depend on how much air you use, not the pressure.
centor Posted September 17, 2011 Author Posted September 17, 2011 90psi isn't a quantity of air, it is a pressure. it will give you 620.5J per litre of air. the number of strokes you get out of your engine will depend on how much air you use, not the pressure. thanks, i will fix that in the post.
CaptainPanic Posted September 19, 2011 Posted September 19, 2011 (edited) I am confused: you can't use an "air or electric motor" (but is an air motor something different from a pneumatic motor?) And then you say you can use cylinders - but those are part of a linear pneumatic motor. A pneumatic motor is essentially just a tool to convert the energy contained by compressed air into a movement. Edited September 19, 2011 by CaptainPanic
centor Posted September 19, 2011 Author Posted September 19, 2011 I am confused: you can't use an "air or electric motor" (but is an air motor something different from a pneumatic motor?) And then you say you can use cylinders - but those are part of a linear pneumatic motor. A pneumatic motor is essentially just a tool to convert the energy contained by compressed air into a movement. Cant cylinders be used without using pneumatic motor?
CaptainPanic Posted September 19, 2011 Posted September 19, 2011 Cant cylinders be used without using pneumatic motor? What do you mean by a cylinder? A piston (like in an engine)? Or just a pipe (like an exhaust)?
Pantaz Posted September 20, 2011 Posted September 20, 2011 Just off the top of my head, one double-acting cylinder operating a crankshaft would get the job done. Timing might be a little tricky -- pneumatics don't exactly react instantaneously.
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