I’d like to ask how to make this thing? Principle?

2017-10-22View Original

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I’d like to know what this thing is called; can it be made? What is the principle? Thank you very much. Do you only know about oil pumping?

Reply #22017-10-22

Hand-cranked oil pump, principle of gear pump

Reply #32017-10-22

Oil pumps, manual gear pumps are available on the market and aren’t expensive – why make them from scratch?

Reply #42017-10-22

We pump out sewage from gutters; the pipes are longer, and usually buckets are used

Reply #52017-10-22

Buy one that’s already made, and then lengthen the suction tube, though there is a limit to how much it can be lengthened.

Reply #62017-10-22

Yes, the pump has a suction issue.

Reply #72017-10-22

Oil extractor, hand pump. It’s usually bought.

Reply #82017-10-22

Oil pumps and hand-cranked pumps are very common

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I’d like to ask how to make this thing? Principle?

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