Starting an engine with a bicycle.
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Previously:
https://www.homemadetools.net/forum/...680#post128735
https://www.homemadetools.net/forum/...913#post167830
https://www.homemadetools.net/forum/...111#post134347
https://www.homemadetools.net/forum/...788#post171065
https://www.homemadetools.net/forum/...127#post125970
