[AMPS] Nichrome wire and tube chimneys!

[measures]

>>Just an observation, the design of a chimney is such that the vertical
>>flow of air is directed evenly around the tube envelope and as it exits,
>>also against the anode seal & heat sink at the top.  I really don't
>>think a Coleman lantern globe or a pickle jar does the job.
>>
>?   Bob:  Any opinion about the use of vertical air flow on horizontal
>cooling fins.?
>
>The lip at the top of the Eimac chimney turns a portion of the air
>90 degrees to pass horizontally over the fins of the plate cap.
>Eimac refers to the socket, chimney, and anode cap as an
>"air system." I suspect a significant amount of engineering went into
>the development of these three parts to work in concert with efficiency.
>
€  The net air flow is equal and opposite.  With vertical fins, this 
problem does not occur.  


cheers, Phil, K5PC
>
>
>
>


-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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