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Thank you all for the responses. I understand your concerns about soot and residue. That will definitely be taken into consideration.

To address some other concerns, our stove is not just a glorified candle, it is a legitimate stove that is powered by wax. The way it burns, it actually burns significantly hotter than acohol.

One of the reasons we were thinking about targeting sailboats is because of the safety factor. Wax will not just light. If you put a flame to wax it just melts. Our stove is easy to extinguish, and we feel the added safety of a fuel that cannot burn unless it is in our stove is a benefit that you all would be happy to have.

Given this information would any of you consider the use of the stove? Especially if we found a way to limit soot?
Good burner design will go a long way to reducing the soot problem.

One of the bigger problems as I see it is storage of wax of what ever sort in tropical climates. Granted that the fuel is relatively stable, it would have to be reduced to convenient portion sizes for use in the stove. When wax is exposed to tropical temperatures, it tends to, well, melt. This can result in your fuel supply becoming a runny mess if it is not contained or a single lump if it is contained. So, unless it is stored within the container from which it will be used melting could cause several problems.

There are materials which can be used to raise the melting point which could be helpful, but these would add cost to the fuel.

I don't mean to discourage you but to warn you of a problem which you may not have considered. A problem which could cause a serious hitch in your product design. If the fuel is stored in a closed container from which it will be used, this problem may be avoided. Take this as an offer of a suggestion for the fuel storage problem's solution.

I can't help with the burner design. That is far from my area.

Have FUN!
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