[Largeformat] Re: tubes out of PVC

[Jim Allen <jimallen@fmtc.net>]

To all,

I used the black ABS pipe material, no painting required. Have an 8x10 pair as well
as 4x5. I,ve included the plans I used....

Jim


> Message: 2
>    Date: Tue, 22 Feb 2000 10:01:15 -0800 (PST)
>    From: Joshua Wein <jayelwin@yahoo.com>
> Subject: Re: Unicolor drum for neg development
>
> For $10 at home depot I obtained a 10 foot segment of
> 1.5 inch dark grey PVC pipe (light tight specifically
> for electrical conduit) which I cut into 6 inch and 2
> inch pieces. On each piece I used PVC glue to place
> PVC pipe caps on one end and then I put a threaded
> connector piece onto the other ends so that the longer
> tube can screw into the shorter piece. I made 4
> shorter setups for each longer setup. In my dark bag I
> unload the film holders and with the emulsion side in
> I load them into the 6" tubes and screw on a 2" "cap"
> dry. Into each of the otehr caps I place 50 cc Xtol
> with 50 cc water, 100 cc indicator stop, and 100 cc
> rapid fix. I let these temper in a water bath at 68
> degrees. In the dark closet (the only dark place I
> have) I switch the dry cap for the cap that has the
> developer. I keep it upright so the film stays dry
> until I start the timer. THen I lay it on it's side
> and roll it around floating in the tempering bath.
> When time is up I switch caps with the stop cap in
> subdued light, not pitch darkness. Roll the stop cap
> for 30 secs, then w switch to the fixer cap. Roll that
> for 3 minutes and then dump the fixer and the film in
> a tray with the lights on. Fix for 10 more minutes
> (tmax 100). I have had great consistent streak free
> results with no fogging despite the use of total
> darkness only when placing the developer cap on. The
> only thing I had to do was paint the glued on caps
> with black paint since they were from plumbing and not
> electrical and therefore were not light tight. If you
> want I can take pictures of the setup and its parts.
> Works great for me.
>
> -Joshua Wein
>




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