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The Pub For General Automotive Related Talk |
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05-09-2017, 10:51 PM | #31 | ||
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What it is is the car is on the limiter that cuts spark but not fuel. Being on methanol yeah that burns almost clear but the rest of the crap thrown up and about doesn't. So whilst the car is banging the limiter it's dumping fuel into the exhaust which ignites, the contaminants being thrown up are the cause of ignition which starts the tyre fire. It's sort of but not really like a silo explosion or somebody creating an explosion by using a regular vaccum without the particulate filter to clean out a photocopier and creating a fire ball. The reason alot of the top guys run straight pipes well past the back of the cars is to prevent it happening but it's not always the case. The reason they run methanol is that whilst you use more it burns colder so whilst power is to be made its harder to overheat the motor.
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06-09-2017, 02:13 AM | #32 | ||
Regular Member
Join Date: Aug 2010
Location: Perth
Posts: 192
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It wont be long before something major does happen, was not too long ago a competitor had a fire which almost caused an explosion. His fuel cell was blown up like a balloon.
I too am a qualified mechanic with not only old but new cars as well. I do compete in these events but I build and repair my own cars. Engines, diffs and gearboxes all rebuilt myself, I also do my own panel and paint. I am not a fan of some of these guys who go out on purpose to destroy their cars by fire let alone the speed of some of the tip ins, again not my cup of tea. I have seen too many cars written off hitting barriers/walls from high speed tip ins. I wish I had the money some of these guys spend repairing their cars let alone build them. Burnouts at this level are a little harder than just dropping your clutch and heel toeing it. Different pads have different amounts of traction, size, run up, obstacles ie walls/barriers etc. Throw in ambient temperatures, oil or water/coolant from previous cars, keeping constant car motion, constant wheel movement, constant smoke, engine revs, keeping an eye on gauges do call for a fair amount of concentration. But some guys have no care or concerns for their cars or safety which will throw a dampener on the sport when something very bad goes wrong. This then has a potential to have a ripple effect on the rest of car scene, be it small or large depends on which way you look at it. Be it attendance numbers at events, price hikes for entrants, performance parts prices increasing etc etc.
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06-09-2017, 09:09 PM | #33 | |||
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06-09-2017, 09:33 PM | #34 | ||
Kicking back
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06-09-2017, 09:36 PM | #35 | |||
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06-09-2017, 11:05 PM | #37 | ||
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