Good work. I think I beat you to this one.
http://ball-pythons.net/forums/showthread.php?t=55186
http://ball-pythons.net/forums/showthread.php?t=57464
No hard feelings.
The other thing I've noticed when I make these is that different fans have narrower margins for voltage and amps. I have a few 5v fans running off a 3v. DC transformer, but I just bought a bunch of 12v 1500mA fans to build incubators and I got 12v 500mA transformers to power them and they don't even start up. I'd imaging that some fans will run but quickly fail if you use the right voltage but over do it with the amps. Something to watch out for. I think you should be safe undershooting the voltage by 10%-20% if you don't want the motor to run at full power, as long as the amps are right on.
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