Posted by wjkrostek on June 10, 2016 at 22:46:17 from (216.152.181.130):
In Reply to: clutch question posted by wjkrostek on June 07, 2016 at 16:29:39:
Can you explain why you say "assuming your tractor doesn't have independent PTO" I don't understand why there is a difference between the two. Is there a differents in clutch capabilitys? I've never taken one apart with a live PTO. This one is live PTO.
,uote="CVPost-MarkB_MI"](quoted from post at 01:54:01 06/08/16) I assume that grain blower has a fairly low starting torque. That's when your clutch will get exercised, assuming your tractor doesn't have independent PTO.
Lack of horsepower is a different problem. If your tractor has insufficient horsepower to run the blower, it's not going to work. You won't be able to get the blower up to proper speed, so it's not going to work right. And the only fix for insufficient horsepower is to buy a bigger tractor.
Note that horsepower is the product of engine torque and engine speed. Tractor engines have a relatively flat torque curve, so if the engine has insufficient horsepower for its load, the engine will slow down until the torque of the engine equals the (reduced) torque of the load. Under this condition, there might be a slight rise in torque from rated horsepower, but not enough to tear out the clutch. The real problem is that you won't be running the blower at the speed it's supposed to run, and you won't be running the tractor at an ideal speed, either.[/quote]
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