1936 midget engine

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All of my .049 glow engines have hollow cranks, induction port, I know there were some that were reed valve inductions.

Pat
 
I have built a couple of 4 cycle engines with a two piece crankshaft (leader half and follower half) and they work fine. Some two stroke engines had hollow crankshafts as part of the induction system. I can see no reason to have a hollow crankshaft, but I wouldn't apply heat to try and solder it shut. Just make a plug from aluminum or brass and epoxy it into the open end.
 
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