[Amps] fan experts

peter.voelpel df3kv at t-online.de
Sun Jan 29 09:43:22 EST 2006


Rich,

Variacs are offered as option by EBM and Gebhard, the other large
manufactur, especially for that reason:
have the speed fully adjustable from zero to 100%.
Look at the application in EBM catalogue Nr.2
I hope there engineers know what they are doing ;-)).
So far I never had any problem anyway.

73
Peter




-----Original Message-----
From: R. Measures [mailto:r at somis.org] 


On Jan 29, 2006, at 5:40 AM, peter.voelpel wrote:

> I use those EBM blowers with my amps for 30 years, I never had Problem.
> I select them much larger then necessary and use a variac to reduce the
> speed, they are extremely quiet then.

Reducing the voltage supplied to a capacitor-run AC motor is not good  
engineering practice.



More information about the Amps mailing list