[Amps] Fans for 4cx1000/1500 question

[Richard]

>Paul Erickson <paule@sfu.ca> asks
>
>
>>I need to know how to determine if the following fans will be adequate
>>for an 4cx1000/1500 amp. While I can find the cfm specs, I cannot
>>find the back pressure specs.
>>... ... 
>Some designs that "inhale" air through the anode, rather than pressurizing
>a grid compartment, have shown success.  This is worth experimenting with,
>although you will not be able to measure backpressure accurately.
>
€  To measure pressure differential with a manometer, connect one hose 
below the chassis and the other hose into the anode sucker duct/blower 
inlet.  It matters not whether it's a suck or blow cooling setup.

cheers, Jim

-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
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