![Part 2 M1ES one cylinder engine keychain screwed](https://cdn.thingiverse.com/renders/df/01/9f/07/ec/8fd921e59c73a761a95efb4a71a9db71_display_large.jpg)
Part 2 M1ES one cylinder engine keychain screwed
thingiverse
Now Part 2 - the same single-cylinder engine as in Part 1, only this time screwed tightly into place and thus more stable and "quiet running". This engine is relatively safe to wear on the keychain. The same piston, cylinder, and cylinder head are utilized. The base, crankshaft, and connecting rod have all been modified. Two additional cylinder screws are required: 1 M3 * 8mm at the base with a safety nut 1 M3 * 10mm on the crankshaft with a nut and locknut The assembly should be visible from the pictures and takes approximately seven minutes.
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