Ericsson Hot Air Pumping Engine - Works! Start Price USD 335.00 Current Price USD 335.00 Time Left 13 days 2 hours 35 minutes Bid Count 0 Buy It Now Price - Reserve Price - Start Time Wednesday, September 24, 2008 End Time Thursday, January 22, 2009 Location California See more about 'Ericsson Hot Air Pumping Engine - Works!' Description New in factory box, this is a fasinating scale model of the famous Ericsson hot air pumping engine. The brass container has an intake and an exaust tube which pump water through the engine to help with the cooling cycle. the alcohol burner heats up the burner cap to cause air to expand. The process of heating and cooling trapped air in the power cylinder is what makes these engines go. 8" tall with a 3.5 inch diameter flywheel, this beauty is mounted on a 7 by 5.5 inch wood base. One of the most beautifull of the hot air engines. Winning bid pays $15.00 S/H Powered by eBay Turbo Lister Place a Bid!