>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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