Microcosm M30B Mini Stirling Engine Model - Banggood Toy

【Microcosm M30B Stirling Engine Model】: ban.ggood.vip/11O81
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Description:
M30 is a Two cylinder steam engine. It uses brass casting, integrated processing crankshaft, crankshaft diameter is 56mm. It comes with a flying ball speed limit device. Intance pipe is equipped with oil cup. I believe you Will like it.
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