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Post by Jolly on May 11, 2019 15:06:57 GMT
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Post by Ozarks Tom on May 11, 2019 19:59:17 GMT
Neat, but wouldn't a 27hp Kohler engine have been simpler?
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Post by joebill on May 13, 2019 10:20:20 GMT
Not when you chase the idea all the way through the process.
In the first place, the PTO on the tractor is already geared about the right speed for the saw wheels. 3500 feet of blade per minute is about right, and depending on wheel size, that translates into around 400 to 500 RPM on the wheels. About what a PYO usually runs. Then, consider the hydraulics one would have to add to the Koehler in addition to turning the wheels. Pump, reservoir, more hoses and a drive system for the pump off of the same engine that turns the wheel.
It could be more compact with the Kohler, but the guy would be buying a lot of stuff he already owns and the stuff he already owns is of top quality. Only problem I see is portability plus he might be needing the tractor to harvest and handle logs, in which case he is one machine short......Joe
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Post by joebill on May 13, 2019 13:04:15 GMT
He did chase himself around the barn a few laps with that gear reduction box, though. Drive shaft was going about the right speed but he inserted a 90 degree gear box to get the shaft at right angles to the mill, but the box had a gear reduction in it, so he had to reverse that using belts. Looking at the thing with this morning's eyes, looks like the only function of the hydraulics is feeding the log, plus maybe tightening the blade, so for the price of leaning on the carriage instead of on the control lever plus turning a bolt with a wrench he could have sacrificed the hydraulics altogether and then, yes, went with the Kohler. The gearbox and extra belts and pulleys would have gone a long ways towards paying for it, too......Joe
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