MST The Libra Rally cars have a system on the engines to keep the turbo spooled up while the driver is breaking/clutching. It is a really WACKED out system. Brian Oldfield explained it to me back at the 1999 Rim of the World Rally in Palmdale.
The ECU notices that the RPMS are falling, and adds fuel, and allows more air in...this makes the engine REV...then the ECU notices that the revs are bouncing off the rev limiter, it then cuts spark, but not fuel,....repeat cycle.
That is how they get the cool big flames out their tailpipe between shifts!
The two systems contstantly battle eachother to keep the engine running at near full tilt to keep the turbo spooled up. the "dumped" gasoline also keeps the engine somewhat cool, at the expense of backfire flames.<img src=/images/forums/snitz/evil.gif width=15 height=15 border=0>
BTW...the problem with the Electric/Exhaust turbo hybrid, is finding an electric motor that can deal with the heat. Once they do that...expect to see a turbo in reverse. Electric Gasoline hybrids that spin a turbo, that spin a generator to make electricity. (In addition to the current Hybrids that generate electricity when braking.)
<hr width=60% noshade size=1 align=left>Leave it to Random to Needlessly complicate things.
The ECU notices that the RPMS are falling, and adds fuel, and allows more air in...this makes the engine REV...then the ECU notices that the revs are bouncing off the rev limiter, it then cuts spark, but not fuel,....repeat cycle.
That is how they get the cool big flames out their tailpipe between shifts!
The two systems contstantly battle eachother to keep the engine running at near full tilt to keep the turbo spooled up. the "dumped" gasoline also keeps the engine somewhat cool, at the expense of backfire flames.<img src=/images/forums/snitz/evil.gif width=15 height=15 border=0>
BTW...the problem with the Electric/Exhaust turbo hybrid, is finding an electric motor that can deal with the heat. Once they do that...expect to see a turbo in reverse. Electric Gasoline hybrids that spin a turbo, that spin a generator to make electricity. (In addition to the current Hybrids that generate electricity when braking.)
<hr width=60% noshade size=1 align=left>Leave it to Random to Needlessly complicate things.
