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I struggle finding somewhere dust free to dry my newly developed film. I've been "advised" not to dry them in the shower 
. I came across this idea https://philipus.com/project-film-dryer-ver-20
Looks good to me but then I realised I had a more powerful fan already that supplies air to my shed based darkroom. So I've used the principles of that design but built my own version:
The brown angled part , called a gully trap (£21) has another brown piece (connector £4.50). The black upright (700mm long) is a piece of unused soil pipe I already had. All that pipe is 110mm diameter. The bungee cord is just to stop it toppling over.
Air is sucked from the top black end.
The black flexi pipe is usually connected to a vent to pull outside air into the the darkroom. By pure luck the 4" white vent pipe fits snugly inside the black soil pipe. The white pipe also easily fits back into the vent when using the darkroom. In the top centre of the picture is the 12v 4a fan (white) that's connected to a variable speed controller.
To filter the air 2 vacuum cleaner filters have been used. The grey one is the vac pre motor filter, the second orange one that is just visible between the grey casing and the black tape is the vac post motor filter - apparently a HEPA filter (£7 for the pair). The tape is only to hold it on but I doubt is airtight. However in use the suction force visibly pulls both filters together and onto the connection piece. The filters have rubber like edges which as they are compressed by suction I'm fairly sure are then airtight.
Great, it works and pulls a fair amount of filtered air through. Onto holding the films inside the black soil pipe. 20mm conduit (2m long) and clips have been bought (£3.70).
The bits with the holes in hold 16mm film strips.
4 inch lengths of conduit as film reel supports and spacers to stop the film touching the inside of the soil pipe.
Clips held in place by a screw, no glue required.
Going into the contraption. I've only got 4 reels. Without the 16mm elements they easily fit in even if doing 120.
I was hoping to give it a run with freshly dev'd film tonight but that won't happen now. Will probably be Sun or Mon so will report back with the results.
It might not work but I've enjoyed building it
. I came across this idea https://philipus.com/project-film-dryer-ver-20Looks good to me but then I realised I had a more powerful fan already that supplies air to my shed based darkroom. So I've used the principles of that design but built my own version:
The brown angled part , called a gully trap (£21) has another brown piece (connector £4.50). The black upright (700mm long) is a piece of unused soil pipe I already had. All that pipe is 110mm diameter. The bungee cord is just to stop it toppling over.
Air is sucked from the top black end.
The black flexi pipe is usually connected to a vent to pull outside air into the the darkroom. By pure luck the 4" white vent pipe fits snugly inside the black soil pipe. The white pipe also easily fits back into the vent when using the darkroom. In the top centre of the picture is the 12v 4a fan (white) that's connected to a variable speed controller.
To filter the air 2 vacuum cleaner filters have been used. The grey one is the vac pre motor filter, the second orange one that is just visible between the grey casing and the black tape is the vac post motor filter - apparently a HEPA filter (£7 for the pair). The tape is only to hold it on but I doubt is airtight. However in use the suction force visibly pulls both filters together and onto the connection piece. The filters have rubber like edges which as they are compressed by suction I'm fairly sure are then airtight.
Great, it works and pulls a fair amount of filtered air through. Onto holding the films inside the black soil pipe. 20mm conduit (2m long) and clips have been bought (£3.70).
The bits with the holes in hold 16mm film strips.
4 inch lengths of conduit as film reel supports and spacers to stop the film touching the inside of the soil pipe.
Clips held in place by a screw, no glue required.
Going into the contraption. I've only got 4 reels. Without the 16mm elements they easily fit in even if doing 120.
I was hoping to give it a run with freshly dev'd film tonight but that won't happen now. Will probably be Sun or Mon so will report back with the results.
It might not work but I've enjoyed building it
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