>At 08:38 AM 7/22/02 -0400, Ron wrote:
>>In working with fans , pressures developed are less than 1 inch of water
>>where 1 atmosphere is roughly 32 feet of water or about 14 lbs / sq. in.
>>If it develops more than say 1/2 in of water , it is a blower.
>>All my experiments show that it works better blowing than sucking for
>>the reasons mentioned by Dave. If there is no choice ,as in a high
>>efficiency furnace with a blower placed on the exaust plenum, you got
>>to do what you got to do.
>
>I'm sure this is all true, but in certain situations, a muffin fan in
>suction mode can be a great help. ... ...
**The TL-922 uses an exhaust fan with good results, according to temp
measurements.
- R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,
www.vcnet.com/measures.
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