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Onboard fire Extinguisher Systems

SFI NHRA IHRA Re-Cert Discription
 

 optional

 optional

  7.50 et/ or slower
  optional optional 5 years driver in front of Engine
cockpit not enclosed
7.1 5 pound system 5 pound system   driver in front of Engine
cockpit  enclosed
7.1 20 pound system 20 pound system   TF/FC,  TAFC,  NFC, AA/FA ( enclosed cockpit )
  5 pound system     Special fuel / Altered open cockpit
        All supercharged or turbocharged cars in Advanced E.T., comp, altered and Street Roadster, PS, TS, TD, PM,
Onboard fire extinguisher systems must be manually controlled Cold Fire 302, Fire X plus, Halon FE1211 or
1301 or FM200, or F500, or DuPont FE-36 or FE-227

What are the differences between extinguishing agents?

Halon 1211: Advantages are that it leaves no residue, effective, not thermal shocking and the bottle withstands higher cockpit heat compared to Halon 1301. Disadvantages are that it is toxic, does not quench the fire and is Ozone depleting. This chemical was not designed for system use as it is toxic, designed for hand held fire extinguishers only. This is one of two chemicals used by FireBottle (the other being CEA-614). - for high-heat installations, when the bottle is placed over exhaust systems or stored in an area where the bottle will be subjected to sustained temperatures at or above 130º F.

CEA-614: This is a Halon substitute. Advantages are that it leaves no residue, not thermal shocking, and relatively Ozone safe. Disadvantages are that it does not quench the fire and it takes twice as much material to do the same job as Halon. It is also expensive. It will not do the same job as Halon. This agent is not used very much anymore.

FE-36: This new agent is a Halon substitute. It is not considered Ozone-depleting. It leaves no residue and is not thermal shocking. Disadvantages are the same as CEA-614: it does not quench the fire and it takes twice as much material to do the same job as Halon. It is also more expensive than Halon.

AFFF or ColdFire: These are examples of foaming water-based systems. Advantages are that it quenches the fire. Disadvantages are that systems are heavier, will not spread out like Halon, leaves a mess both in the car and on the track.

Halon 1301: The best product on the market. Advantages are that it is effective, non-toxic, non-caustic, leave no residue, small, lightweight, industry standard with plenty of supply, no thermal shock, leaves no mess. Disadvantages are that it does not quench the fire and it is Ozone depleting.

 

Always check with your Sanctioning Body/Rulebook for requirements in your class.
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