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How can i build a Scroll air compressor out of scraps and cheap material and power it from renewable energy ? Answered

How can i build a Scroll air compressor out of scraps and cheap material and power it from renewable energy ?

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How about getting one from a scrap air-con ? Making one is out of the question, without a really well equipped machine shop, and a lot of experience.

Unfortunetely, the precision required to effectively create the compression you're looking for probably can't be done at home using cheap scraps. However to answer the rest of your question, you'll need the scrap material to make your two screws, and a casing. You'll also need a decent electric motor. Finally, to power it from renewable energy, you would likely need to design a wind-power or solar energy battery charging system.  If you succeed, be sure to document and post your own instructable.