Which fire extinguisher

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simonjrwinter
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Which fire extinguisher

Post by simonjrwinter » Tue Aug 27, 2019 8:41 am

After my recent fuel pressure problem, I was made very aware that high pressure fuel is being pumped within inches of a very hot exhaust. While I’ve carried an extinguisher for many years in my TR6, I’ve so far not bought one for the Hawk. Any recommendations? Anyone got one built in? CO2 best?
As always, any advice appreciated
Simon
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clive
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Re: Which fire extinguisher

Post by clive » Tue Aug 27, 2019 5:37 pm

I don't carry an extinguisher. If there is any possibility that my car is on fire I will be legging it as fast as I can. This was my BMW 5 Series which had a fire extinguisher.

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amulheirn
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Re: Which fire extinguisher

Post by amulheirn » Thu Aug 29, 2019 4:27 pm

There was an old discussion on this forum a few years ago, where Roger King was basically saying that AFF foam extinguishers would be the best thing to carry. So that's what I bought - though I got a 2 litre one which I think is too big and will go in the garage - I'll get a 1 or 1.5 litre one.

That said, given Clive's pic above I may never actually use it - opening the bonnet may take too long. Still, I thought it was worth having.

I decided against trying to plumb in a system, thinking that it could be let off either by accident or by mischief, leaving me with an engine-bay mess.

peterc
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Re: Which fire extinguisher

Post by peterc » Fri Aug 30, 2019 8:19 am

Remember guys that should a fire break out under the bonnet you must be VERY ready to spray the extinguisher as opening the bonnet floods more air and thus more oxygen to the fire. It’s not unknown for there to be a small fireball if you open it quickly.
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clive
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Re: Which fire extinguisher

Post by clive » Fri Aug 30, 2019 9:46 am

These are plastic cars and subsequently the body burns very quickly as opposed to normal cars. Those of you who were at Le mans Classic in 2008 might recall Paul Daniel's "Red 5" which caught fire on the way to the circuit. He and his passenger barely managed to get out of their car before it was engulfed in flames. Paul didn't even have time to get his extinguisher out of it's bracket. The whole car was completely destroyed in minutes!

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amulheirn
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Re: Which fire extinguisher

Post by amulheirn » Fri Aug 30, 2019 2:26 pm

Well I guess lining of the engine bay with ally may slightly inhibit combustion of the body, but probably not much.

So perhaps, given the speed at which these could go up, a plumbed-in CO2 system may be the best bet. Activated from the passenger compartment for speed, no need to lift the bonnet and get a fireball in the face, engine-bay would contain the gas slightly, and it won't cause a colossal mess if some prankster sets it off for you.

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Phil Riley
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Re: Which fire extinguisher

Post by Phil Riley » Tue Sep 03, 2019 10:01 am

I plumbed mine in for track events etc. I have a release handle on the front, left scuttle and one in the cockpit. To avoid idiots setting it off whilst I'm not around, I have a grenade type pin at the extinguisher lever, which is mounted on the rear bulkhead – Easy to access from the driving position.

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amulheirn
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Re: Which fire extinguisher

Post by amulheirn » Tue Sep 10, 2019 2:58 pm

Got any photos Phil? All the plumbed-in systems I see seem to be over £500 - I guess thats because they're motorsport-approved.

simonjrwinter
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Re: Which fire extinguisher

Post by simonjrwinter » Tue Sep 10, 2019 4:23 pm

I’ve ended up buying a 2kg foam extinguisher. Pretty big, but hopefully will never have to use it.
Simon
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