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@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
> >
> >
>
>
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