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how to make a small hand held portable rechargeable bicycle air pump?? Answered

how to make a small hand held portable rechargeable bicycle air pump??which can be either attached to the bicycle or be handy.I was kind of thinking to make a compressor operated by bicycle itself when one is cycling and air is pumped into a cylinder.Now when the air in the tyre is low one can use the air from the cylinder to refill it.But i need technical help,and how-tos? as well as financial help?

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AndyGadget

9 years ago

How about a hollow plastic cylinder with a small hole at one end to which you could attach a flexible rubber pipe with a suitable coupling for your tyre valve. In the cylinder would be a piston with a handle attached by a rod, and a simple one-way valve to allow air to be compressed into the cylinder and thus into the tyre when the handle was pushed in and out.
It would probably look something like THIS.

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AndyGadgetAndyGadget

Answer 9 years ago

Innovation is all very well, but bicycle pumps are so small, efficient and light nowadays that I think you're using a sledgehammer to crack a nut!