This is made of hot air through a blower fan of Al-Cool Company of Chicago in 1917. There is a 12 "blade is 450 rpm on a small spirit stove. It's going very well. I spent two weeks, detailed drawings prepared by hand in the preparation of the table sides. Plans for sale on ebay, $ 15 + $ 4 shipping.
Hot Air Al-Engine Fan Cool Co.Stirling
Posted by CheapProduct | 12:34 PM | AlEngine, CoStirling | 0 comments »
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