Re: Prony/pony brakes

Posted by Joe Evans on December 08, 2004 at 20:28:46 from (67.129.216.216):

In Reply to: Re: Prony/pony brakes posted by JT on December 08, 2004 at 15:00:19:

No,no! Way too small!

If my math is correct, the swept volume of our Fan is 24.7 cubic feet. Your proposed dimensions only yield .57 cubic feet or about 2% of our fan's volume. Your M wouldn't even notice this load.

I would suggest as a starting point a fan with a major diameter of 48" and 16" paddles. This will yield a swept volume of 14.8 cubic feet. If nothing more than a 50 HP tractor is belted to it, this should work pretty good I would think. You can dink around with pulley sizes to get the M running the fan at its rated pulley RPM whatever that is. Two pulleys are better than one. A very large pulley on the other end would let your small stationaries get a good work out.

Follow Ups:

• Re: Prony/pony brakes JT 06:23:08 12/09/04 (1)
  • Re: Prony/pony brakes Joe Evans 06:37:41 12/09/04 (0)

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