Drag Racing Discussions > Front Engine Dragsters

Fire Suppression Systems

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arush:
I am looking to purchase a (2) 10# fire suppression system for my Blown FED and have some questions.
What agent are you guys using? FE36, Halon 1301, Novec 1230 or a Foam agent.
I realize that a foam agent would be messier to clean up but my concern is, does a gas agent work in an open cockpit car?
Is there a particular agent that is mandatory for a FED ?
Are steel lines mandatory?  Are aluminum lines safe ?
I have a tendency to over think things but considering the importance of the subject and the expense I want to do it right the first time.
I respect and appreciate all feed back.

dreracecar:
Rules prohibit aluminum lines,
any agent will only work when an "OPEN" car is stopped/not moving
Downfall of the gas is that its $25lb
downfall of the foam is that its a mess to clean up and a particarly when the bottle gets set off by accident
Good news is that other than the Top Fuel classes, you will more likely to set it off by accident than an engine fire.
 You did not hear this from me but some racers out there only have one bottle set up to fire, in fact they kinda say that the systems be set to fire seperatly so that you dont dump 20# of foam on the track to clean up. Haveing one bottle set to fire allows you to still have 1 bottle left if the other goes off, If something happens and both bottles go off during qualy or in the pits, you will either have to have spares or borrow (highly unlikely)some.
I had to go with halon because those were the only bottles small enough to fit in my car and I did not want to hang the larger bottles outside the frame or build another fuel tank

arush:
Appreciate your feedback dreracecar. You made some valid points. I am thinking about going with a SAFECRAFT Novec 1230 unit. Anyone out there using there equipment?

dreracecar:
My stuff is from safecraft,  No issues, smallest bottles available and run them side by side between the frame rails. run one cable to the first bottle and then from that bottle a seperate cable housing to the other bottle, cant remember if I put the cable in it or not

GlennLever:
Two 10 pound bottles will fit between the rails.

Set up to both fire, one on the engine, one in the cockpit.

Yes it has been set off by accident, once by me when my arm restraint strap caught the lever, and once by my wife when she thought she was pulling the master shut off and pulled the fire lever by mistake.

What a mess and it cost $'s to refill the bottles

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