Oh man, look at you with your tech wizardry! I'm so glad I don't have to worry about the auto-turners and really complex stuff until I expand to two coolers down the road. Your set up is so tidy! Awesome, awesome work.
I hear you on waiting for
ebay items. That part...not fun.
That's definitely the theory..pressurizing the hot air down the tube...but will it work in practice? No idea! I guess I could always add a tiny fan to the bottom or top of the tube to help the air along if it needs it? And they didn't make it into the drawing, but I've been stressing over air vents for a week now. I really wanted adjustable, sturdy vents. There is a swivel, multi-slot desk grommet that I *finally* found that seemed promising, but they are 5 bucks a piece. The adjustable vents made for cages are ten each! I finally realized that the tops of my spice containers range from large to small, are made from sturdy plastic, and have twistable lids that can be adjusted to pour, sprinkle, or fully close. And are completely free...though I will cry for my poor, mangled Greek seasoning bottles. Their sacrifice is a noble one.
I looked a bit into defogging incubator windows today. I learned that glass windows tend to be cooler than the surrounding environment, and that heating them up is a common way to clear away condensation. I'm not sure an interior fan pointed at your window will clear it, as it isn't drying the air (just moving it in this situation) or heating the glass. Take this all with a grain of salt though, I could be completely wrong. A lot of people use RainX or homemade solutions (from vinegar to wax) to create a layer that condensation runs off. I hear RainX works really well, but that some other similar things leave residue over time. Some people use a plastic heat-wrap sealant that helps insulate the glass and thus keep condensation from forming. There are also micro-heaters of various kinds that can warm up small spaces or glass. Here's one I might make to lay between the two window panes:
http://www.dewbuster.com/heaters/heaters.html
Not sure if that is helpful at all.
Excited to see more pictures!
The tapered sides would be a pain to attach snuggly. However, they stack perfectly...
