You'll be very surprised how well natural convection air flows work,
Make one or two Venturi 'windows' for box fans, out of PVC pipes, wall board and pipe line reducers that are 50% smaller at the exit port than the fan breeze inlets.
It might take a small bit of effort but even with the fan(s) on low, the air forced through the window will be at least ten degrees Fahrenheit (10°f) lower, which should help you to remain somewhat cooler in your work space.
Furthermore, to draw the heat up and out of the attic, you can also make a attic solar chimney by way of metal or plywood construction of an attic mounted, non fire, chimney and a hose or pipe that can bring up cool airs from your lowest room or basement, into the attic proper and let the heat rise up through the chimney, by convection.
Many years ago, I owned a {moderator's deletion of politically inflammatory label} house, that was fairly large, but had been designed with natural convections that would keep it cool and breezy on the hottest day in the southern most N.C. & S.C. border county.
You'll be very surprised how well natural convection air flows work, and, with the Venturi but x fans, it should really help out on the hot attic days.
Cheers
My 127 cameras:
Primo Jr - Probably the best of the bunch
Baby Rolleiflex - Very close second to the Primo Jr
Kodak Vest Pocket Autographic - Amazing how compact these are
Kodak Vest Pocket Autographic Special
Kodak Vest Pocket Autographic Model B
Kodak Brownie Reflex - My mothers old camera
Kodak Brownie Starmite
Zeiss Ikon Baby Ikonta 520/18 - Broken, never was able to get the shutter working
Here's some examples:
Baby Rolleiflex
Old Tug Boat at Bremerton Marina by Bryan Chernick, on Flickr
Primo Jr
Sleepy Vera and Rachael by Bryan Chernick, on Flickr
Kodak Brownie Reflex
Shipwreck Point by Bryan Chernick, on Flickr
Kodak Vest Pocket Autographic
Vacubot waiting for the Barber Shop to open by Bryan Chernick, on Flickr
Kodak Brownie Starmite
Boats Moored in Port Orchard by Bryan Chernick, on Flickr
Inhabitants of hot arid regions (Arabia, North Africa, the Gobi) have been using convection and wind-induced circulation for cooling for literally millennia. The key to all of it is that whatever draws air out of the house draws it in through an underground passage -- even in in the Sahara, a couple feet below grade stays very close to annual average temp, which has historically been much cooler than daytime.
It's a clothes closet in the attic. If was a permanent space I'd have an AC installed. As it is I can't even stand up in there, I use the space to cut and load film. It's the only film safe space I have. In the past I have installed a window unit in the room and let it run for a bit before going into the darkroom. I got a few minutes of comfortable temps out of it before I had to take a break.
That is small, and I was thinking a eight by eight or ten by ten foot space, at the minimum.
Good luck
Thinking about doing an astrum/svena group buy, and they advertise 46mm film. Not sure if there’s an MOQ, maybe, maybe not. Anyone here interested? I’ll even roll it for you if you give me spools and paper!
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