Help - cold spot in incubator.

gpop1

Songster
5 Years
May 2, 2015
546
66
134
A cold spot sometimes indicates faster air movement in that area so reducing the fan speed by reducing the voltage may work. I normally use a 6 to 9 volt power supply to run 12v computer fans as this slows them down which makes them blend/mix the air rather than blowing the air.

If the cold spot is further away from the fan then this can be caused by a over sized heater (normally this will balance out after 30mins but may be noticed if you are opening the incubator to move the temp probe around)


if you have pictures of your set up and the area that's reading low we can give you better advice
 

venymae

Prairie Wind
6 Years
Aug 18, 2014
1,949
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Manhappiness, Kansas
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You may have to add a small mixer fan.
OK, so whats the difference between a mixer fan and the computer fan I have??

A cold spot sometimes indicates faster air movement in that area so reducing the fan speed by reducing the voltage may work. I normally use a 6 to 9 volt power supply to run 12v computer fans as this slows them down which makes them blend/mix the air rather than blowing the air.

If the cold spot is further away from the fan then this can be caused by a over sized heater (normally this will balance out after 30mins but may be noticed if you are opening the incubator to move the temp probe around)


if you have pictures of your set up and the area that's reading low we can give you better advice
the cold spot is on the far end of the bator, away from the heat source. I have had great hatches in this bator, but never 100%. Maybe this is why
hu.gif
 

gpop1

Songster
5 Years
May 2, 2015
546
66
134
a mixer fan is just a fan that runs slower than normal.

if you really want to work out whats happening then I suggest you mark all the eggs and take a digital picture of the eggs in the incubator.

Once they hatch compare the result against the picture and see if there's a pattern to the problem.
 

venymae

Prairie Wind
6 Years
Aug 18, 2014
1,949
2,204
341
Manhappiness, Kansas
My Coop
My Coop
Well I readjusted the fan ( I realized it was mostly being blocked by the water jars below) so it circulates better now. Tested one cold spot and it's back to normal! Going to move it around and see if that fixed them all. Thanks` for the help everyone! Guess it was the fan :)
 

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