[Amps] Layout of tube

[vk3pa at vk3pa.com]

Quoting James Colville <jimw7ry at gmail.com>:
EMTRON uses 2 fans one under the tube blowing es the other a pc type  
fan on top
  sucking..


> Fans in series? How are you going to figure the airflow out?  Just use a
> single BLOWER like 100% of the other amp builders use?  What tube or tubes?
>
> 73
> Jim W7RY
>
>
>
> On Mon, Jan 25, 2010 at 12:28 PM, MIKE DURKIN <patriot121 at msn.com> wrote:
>
>>
>> Ok, yea its not for VHF, Just HF but was thinking about parasitics and all
>> ....
>>
>>
>>
>> Next thought is there a rule of thumb when stacking fans back-to-back to
>> figure CFM and pressure ....
>>
>> Like if i had 2 fans with 98.1CFM/0.28" blowing in series?
>>
>>
>>
>> Mike
>>
>> KC7NOA
>>
>>
>>
>>
>>  snip>
>> > Hi Mike,
>> >
>> > > I'm wanting to supply the tube on one side of the tube and put the
>> blocking cap for the C.L.C. output
>> > about 110Deg off around the tube. Will that make for any internal issues
>> ETC. from
>> > misbalance on the Anode ??
>> >
>> > If I understand you correctly, looking down at the tube, the HV supply
>> (connection to
>> > the anode RF choke) is at 12 o'clock, and the blocking capacitor to the
>> output tank
>> > comes off at about 4 o'clock (or 8 o'clock). If that's what you mean,
>> that should be
>> > fine. (Unless you're working at VHF or UHF frequencies... then I don't
>> have a clue as
>> > to whether it's OK.)
>> >
>> > 73,
>> >
>> >
>> >
>> > George T Daughters, K6GT
>> > CU in the California QSO Party (CQP)
>> > October 2-3, 2010
>> >
>> >
>>
>>
>> _________________________________________________________________
>> Hotmail: Trusted email with powerful SPAM protection.
>> http://clk.atdmt.com/GBL/go/196390707/direct/01/
>>  _______________________________________________
>> Amps mailing list
>> Amps at contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>