homemade egg turner ideas? anyone have any working

Well I think I've finally come up with a design I like. I was gonna basically copy a sportsman but some things just didn't seem to work well for me. Instead of making the racks turn from side to side and the cabinet being narrow I'm going to make it 26" wide and 4' tall and 18" deep. Probably around 4" of the 18 in depth will be used for a false wall that will be cut 2" short of the bottom and butt against the shelf for the fan and motor acting as a cold air return hopefully making it keep an even temp throughout. With the turning racks positioned this way with a shorter axis it should be able to turn the eggs easier with a shorter stroke as well. I've found the motor I'm going to buy and have a decent idea of the cabinet layout but undecided on a heat source so far. Thought about using bulbs for ease of replacement but will probably go with the wire strand to save on space and as far as fans go Im undecided as well, I've looked all over but didn't want to pay too much for a fan since i may be able to locate one free if I look around home.
 
From my experience 48" may be too tall for a sportsman like design. The false back will help but you will still have a significant temperature difference top to bottom . I think Your design will require an upper and lower heating element. Also if I am understanding your design correctly , at 26" wide you may need two fans to keep temperatures even side to side. Single fans work best with the narrow designs. The incubator your building will be about 13 cubic feet compared to the sportsman's 9 cubic feet. About half again as big. Good luck with your build. I'll be interested to see your turner setup.
 
Well Im gonna try it this way with one element first and see what happens. The sportsmans just draw from the top really without an air return just the opening in the back behind the fan. Im pretty sure the false wall will make the heat more even throughout since it will draw from the bottom of the cabinet.
 
Ya Im wanting to use a small dc motor and just reverse the direction of the motor. Id want to run the motor one way to a swith to stop it then a few hours later run it back theotherway to aothe switch. Im just trying to figure out he best motor to ue without urning it too fast in the process.
 
The timers Ive seen all have a min. 1 minute on time or longer so Ill have to have a switch to stop it.
 

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