Chamber fan broken

[imbabalu]

I don't know , but Some plastics are effected by solvents , maybe it's your fuel or mixture.

[dongfang]

Hi,

I once had a big, heavy all-metal fan in a combustion supergun. It worked perfectly through many fuel-air shots. Then, I enriched the oxygen to 40% and doubled the fuel. The fan died after 1 shot

Regards
Soren