Re: [APML] lo-vac hypertimes for tec pan

["Bobby Middleton" <bobm@koyote.com>]

Thanks Marty and all the others who responded. I guess I'm going to give it
a try the next dark period. I'm going to shoot some old rolls on some
globulars, etc. while the moon's out to hone my rather novice developing er,
uh,....skills for lack of a better word <g>
Bobby Middleton


----- Original Message -----
From: Martin C. Germano
> Bobby,
>
> Chuck has the same info I do:
>
> > I think Chuck said 100 hours?! for lo vacumn tec pan hyper times the
other
> > day. (50 deg at 3 psi.) Can someone else confirm this; or can I shorten
> this
> > time with higher pressures. I'll be doing this in the cassette.
> > Bobby Middleton
>
>
> Back in the hand pump days with my Lumicon model 300 kit, I could get it
> down (;>) to -26 or -27 psi on the gauge. I settled on 96 to 100 hours
(four
> days), with a fill of +3 psi, using the 50 degree temperature controller.
> With a development time of 6 or 7 minutes in D-19 at 68 deg, I was getting
a
> hyper fog of 0.40 to 0.50 or so (unexposed frames).
>
> Marty
>
> Martin C Germano
> Thousand Oaks, Calif.  91360
> mailto:mcgermano@earthlink.net
> Astro Home Page: http://home.earthlink.net/~mcgermano/index.htm
>
>
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