Windy Miller
Semi-Professional Potterer!
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- North Kent, UK
Just bought this at a boot fair for a fiver. The plan is to use it for the air supply for the forge.
Any comments or suggestions?
Hello Windy,
just fit a damper to the outlet, it won't overload the motor, quite the reverse. (just like blocking a vacuum cleaner nozzle, the motor speeds up because the load is reduced.)
Running on reduced voltage (110V) will overload the motor, assuming it's a normal induction motor?
Alec
Hello Windy,
just fit a damper to the outlet, it won't overload the motor, quite the reverse. (just like blocking a vacuum cleaner nozzle, the motor speeds up because the load is reduced.)
Running on reduced voltage (110V) will overload the motor, assuming it's a normal induction motor?
Alec
it makes no odds wether u restrict the input or the output the current draw is constant and identical either wayrestrict the input, not the output if you're going to restrict rather than bypass.
If you restrict the input, less air goes in, so the motor is moving less air, so doesn't have to work as hard.
If you restrict the output, the motor is trying to move the same amount of air, so works harder, cos there's nowhere for it to go.
That's how it was explained to me by a mining engineer (similar fans used for air supply in mines)
As an aside - this sort of fan works really well to blow fumes out of a garage if you're (stick) welding undercover.
it makes no odds wether u restrict the input or the output the current draw is constant and identical either way