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Old 08-10-2017, 06:17 AM
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leonf
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Join Date: May 2016
Location: near Topeka kansas
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Default Hand crank arm to handwheel ration

[ATTACH=CONFIG]578459[/ATTACH]SteveH and I got to discussing gear ratios for hand cranks. This German Kohler machine spins the balance wheel 2.1 times per revolution of the hand wheel.

[ATTACH=CONFIG]578457[/ATTACH] Davis spins 3:1

[ATTACH=CONFIG]578458[/ATTACH]Singer and reproduction singers spin 3:1

If one puts a steering wheel knob on a balance wheel (like I have), it is direct drive 1:1

Does anyone have others to check?

if you can see the attached Kohler shot please ignore. I was trying to delete it.
Attached Thumbnails kohler-hand-crank-gear-b.jpg   davis-vsm-handcrank-crank-b.jpg   applefest-handcranks-99-128-b.jpg   kohler-vsm-gear-2-b.jpg  

Last edited by leonf; 08-10-2017 at 06:22 AM.
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