Blowing Flames?
04-15-2004, 07:20 PM
#21
Senior Member
Join Date: Jan 2004
Location: Carrollton, TX
Posts: 370
Originally Posted by boyrotor' date='Apr 13 2004, 03:19 PM
Carrying on from racingxtreme's answer... my understanding is some rotaries shoot flames on shifts and deceleration as this is the leanest situation for an engine, fuel is the cooling agent in a engine so at this lean state the exhaust heats up enough to ignite the surplus fuel left over from the transition from normal mixture to lean when getting off the throttle.
...A secondary flaw
is that the sensors on our cars are sensitive to heat. They don't put out
anything meaningful until exhaust temperatures reach 360C (680F), and
anything over about 900C (1650F) becomes problematic. This is
interesting since a modified turbo rotary engine can routinely see
exhaust gas temperatures in excess of 900 degrees Celsius.
is that the sensors on our cars are sensitive to heat. They don't put out
anything meaningful until exhaust temperatures reach 360C (680F), and
anything over about 900C (1650F) becomes problematic. This is
interesting since a modified turbo rotary engine can routinely see
exhaust gas temperatures in excess of 900 degrees Celsius.
I'd say the exhaust is MORE than hot enough to ignite the excess fuel.
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