On Aug 16, 2006, at 1:31 PM, Larry wrote:
> Bob,
>
> My Eimac data sheet for the 3CX800A7 (dated 1 Dec 83) on page 3,
> mechanical:
>
> "The tube may be mounted in any position. If it is operated in an
> inverted (anode down) or horizontal position the SK-1916 chimney clamp
> assembly should be used for reliable retention."
>
> BTW the thing needs 33 CFM @ .88 inches water for cooling, assuming
> 50°
> C and 5000 foot elevation. How you gonna get that in a MLA-2500?
A radial wheel centrifugal blower. Kooltronix makes them.
>
> 73, Larry
>
> Larry - W7IUV
> DN07dg
> http://w7iuv.com
>
>
>
> Bob Maser wrote:
>
>> Let me ask again since I only received one rather unsure response
>> to my call
>> for help yesterday.
>>
>> Can the 3CX800A7( and the 3CPX800A7) be operated in the horizontal
>> position?
>> Is it a definite no-no or just a bit risky? I am considering
>> putting the
>> tube into a MLA-2500 and cooling it would be lots simpler if I
>> could mount
>> the tube horizontally.
>>
>> Thanks,
>> Bob W6TR
>>
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>>
>>
>>
>>
>>
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R L MEASURES, AG6K. 805-386-3734
r@somis.org
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