wuzak wrote: ↑
Mon May 20, 2019 3:32 am
gruntguru wrote: ↑
Sun May 19, 2019 11:27 pm
saviour stivala wrote: ↑
Sun May 19, 2019 10:19 am
“Rear red warning light system” In a dry race. I remember Charlie Whiting explaining (his words, word for word) “If the torque management system on the car decides that it want to go into fuel save mode then a system kicks-in. if you are flat-out on the straight and you are above a certain threshold – above 95% throttle for more than one second, and you are above 180km/h and you see a 120kw torque reduction – it flashes the rear light for a second to warn the driver behind.”
So clearly the MGUK is harvesting under its own (ECU) control.
MGUK generating would be 240kW power reduction compared to full, or near full, throttle and deployment.
If the MGUK stops delivering power to the rear wheels but does not start generating, that would be a 120kW reduction.
It would be rare to see a 240 kW torque reduction. The more common cases would be:
1. Accelerating with full MGUK then transitioning to ICE only. This normally happens well before top speed is reached as MGUK motoring is most effective in the earlier stages of full-traction acceleration. It would be unusual to transition immediately to MGUK braking as this is most efficient/effective near terminal velocity (lift and coast) or braking at the end of the straight.
2. Lift and coast.
3. Braking areas.
All the above transitions involve a power reduction of 120 kW or less.