 | | 4 to 1 ratio? —Daniel Delcollo
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| | | while working on a project of mine to build a small replica of a 4 stroke engine out of legos I discovered I didn't know how to make a 4 to 1 ratio for the timing of the valves. I could get close using pulleys, but I figure there must be a way and (...) (25 years ago, 12-Jan-00, to lugnet.technic)
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| | | | | Re: 4 to 1 ratio? —Rengenier Mulder
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| | | | (...) I've been thinking on this a while ago and I think the easiest way is to use 2 pair of an 8-tooth and a 16-tooth gear. Something like this | | | ## # | # ## | | | where ## is a 16-tooth gear and # an 8-tooth gear and | are axles. This means (...) (25 years ago, 12-Jan-00, to lugnet.technic)
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| | | | | | Re: 4 to 1 ratio? —Rengenier Mulder
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| | | | Replying my own message... sigh! The "picture" was messed up. The fixed width / Non fixed width issue again... Of course it should be: (hope this time it's okay in non-fixed width fonts, I'll not reply again). | | | ## # | # ## | | | Back to (...) (25 years ago, 12-Jan-00, to lugnet.technic)
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