how to connect a fan on my incubator, through thermostat or direct

[tatenda]

hie, i am building my own incubator but the challenge now is on how best should i connect the fan, through the thermostat or let it run continously. please assist. i have heard that fans tend to dry the eggs quickly at lockdown

 

[lazy gardener]

hie, i am building my own incubator but the challenge now is on how best should i connect the fan, through the thermostat or let it run continously. please assist. i have heard that fans tend to dry the eggs quickly at lockdown

You wire the fan separately from the thermostat. The thermostat is wired to your heat source. Your best bet is to do a google search for "Rush Lane Poultry, how to build an incubator". He has excellent step by step video tutorials on several different designs. You want your fan to run constantly to disperse the heat. But, if you decided to, you could turn it off to have your bator be a still air, though I have no idea why you would want to. I sometimes turn my fan off when I'm candling in the bator. The fan does not dry the eggs at lock down b/c it is blowing around air that is at 65 - 75% humidity. I don't know if it helps to dry the chicks.

 

[tatenda]

thanks, i also have an sh80 surehatch incubator with a fan connected through the thermostat, go off when the heat source goes off but the results are so bad. embryos always die at lock down. so i think its the way its fan is wired.