>
>----- Original Message -----
>From: "2" <2@vc.net>
>To: "Steve Katz" <stevek@jmr.com>; " AMPS" <amps@contesting.com>
>Sent: Saturday, July 27, 2002 1:57 AM
>Subject: RE: [Amps] Muffin Fan on Swan Mark 1
>
>
>>
>>
>> >
>> >
>> >
>> >> An IR thermometer, a manometer, and some horse sense are more
>> >> trustworthy than computer modeling -- i. e., if the thermometer says
>> >> it's too damn hot, and the computer app says it's not, it is.
>> >>
>> > //<chuckle> The computer model is used for designing enclosures, not
>> > testing them. It reduces design time because there's less repetitive
>> > empirical stuff that needs to be done, and modeling can also help reduce
>> > cost because it can lead you to inexpensive practical solutions that
>might
>> > otherwise be overlooked. Then, when testing says it's too damn hot, you
>> > start again. -WB2WIK/6
>> >
>> ** I build a cardboard box mock-up enclosure, duct-tape stuff in place,
>> measure the delivered pressure with a manometer, and, if needed, I make
>> changes. I have found few blowers blower that meet the mfg's claimed
>> specs. // The rule of thumb for blower selection: If the tube blows
>> out of the socket when one's thumb is removed from the anode, a smaller
>> blower is probably a good idea.
>>
>
>I've been trying to find a blower powerful enough to blow my 4CX1000A
>out of it's socket for ages... perhaps the socket's faulty?
>
This test only works dependably with breech-lock tubes when they are in
the socket and unlocked.
cheers, Mike
- R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,
www.vcnet.com/measures.
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