Insulate the Fuel tank from the exhaust

[beshr]

Hi,

1-Is there any regulations regarding the insulation of the fuel tank from any heat source!?

2-If NO, should we apply the firewall insulation regulations in "T4.3.2" or we can estimate the thickness of the insulation!?

[Tyler Jones]

I couldn't find anything in the Fuel and Fuel System section relating to insulation but I would suggest sending a question to the rules committee.

[Swiftus]

Well, I would suggest making sure no part of the fuel tank is able to get warmer than ~250C. Cooler than that is better, but any warmer and you'll have autoignition in your tank. If your tank is plastic or rubber, the ignition point could be lower.

[Ahmad Rezq]

if you have serious problem with the fuel tank temp.
try to cover the exhaust pipe(s).

[onemaniac]

Generally if there is more than 2" gap from the exhaust and if the fuel tank is made of (or covered with) fire retardant material there should be no issue.