Belt Width and Horsepower Transmitted.
Search though I might I have failed to find a definitive formula, I do remember that every inch of width of flatbelt will safely transmit a given horsepower depending on the surface speed of the driving pulley. with a maximum limit.
My small Southbend lathe has a 1inch wide flatbelt driving it and it will , providing it is fairly tight, transmit all my I hp motor will put out.
I seem to remember that a rule of thumb for 4 ft 6 flywheels at about 150 rpm is that one inch width of belt will safely transmit up to 10 brake horse power.
It is over 50 years since I saw Boadicea. I seem to remember she had about 8inches of belt width on the flywheel.
Please can anyone give more information about this formula.
Regards David Powell.
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1st August 2019, 08:10 AM
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