I am looking for some help with a Coke cooler incubator I am currently working on The dimensions of the cooler are approximately 3 foot deep and 4 to 5 foot high the problem I have are finding a fan strong enough to circulate the air in this style of incubator properly I currently have 2 six inch fans that are portable they have 2 2 settings on them but at the highest setting it still does not circulate air the whole way down to the bottom of the incubator I am worried it is not strong enough to do proper circulation within the incubator if anyone has built this style of incubator before and have what they used as far as fans go much help would be appreciated if pictures are available please post those also for this will help to in my planning of this incubator I thank you so much for your time I need to find this out as soon as I can for eggs should be on their way soon thanks again