Posted by big jt on April 27, 2017 at 22:20:59 from (206.72.37.212):
In Reply to: Why 540 RPM? posted by In-too-deep on April 27, 2017 at 19:35:22:
As it was explained to me in college the sickle in a mower or any other cutterbar works ideally at about 1200 strokes per minute. 2 strokes per revolution gets you to 600 rpm. Any more and you are just wasting energy and beating the machinery to death with no gain.
As to why 540 instead of 600 is quite another question.
On a side note the same "ideal" speed applies to augers also. Overspeeding a auger only wears it out quicker with no real gain in capacity. Look around and find 1000 rpm drive auger!!
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