I am looking into building a solar kiln within the next couple of months. It doesn't seem too difficult to build, but the one thing i am not certain of is the fan to be used. The property, isn't my main residence, and doesn't have any power (I use a generator when I am there). I was thinking of using a DC Fan connected to a solar panel, so when the sun is shining, it is spinning and when it is night time or cloudy it is not moving. I am looking to build the kiln so it can fit 16 ft. lengths so the kiln itself would be 18 ft. long so there is a little space on each side. So my main questions are:
1. Can anyone recommend a brand or specific fan that would work for my scenario that is reasonably priced (like under $100)
2. Do you guys think i might need 2 fans for a kiln that long?
3. Approximately how big should they be?
4. Any helpful insights are greatly appreciated