this assumes of course that every wrap on the drum s perfectly round - which in real world terms is incorrect - a wire keeper on a drum build following standard rigging
practices will be bent into the drum itself and an internal keep will hold it in place - this causes a deformation for the...
Hi Jim,
I feel you're correct that the listed rpm must be at the gearbox and not the motor (despite the information plate being on the motor)
1711-1800 rpm would be far more typical. - thank you - seeing the math makes perfect sense.
much appreciated sir.
marc
Hello
new member , thank you for having me,
as this thread is old, I felt it wouldn't necessarily be pirating by continuing the topic -
I've got a winch - i'd like to determine It's speed in FT per SEC and lifting capacity in pounds.
the electric motor is a 3hp,208volt -9.26amp the motor...