Zynerji wrote: ↑25 Apr 2024, 22:28
Tommy Cookers wrote: ↑25 Apr 2024, 21:29
Zynerji wrote: ↑25 Apr 2024, 16:00
... electric torque ....
no such thing
unless you mean something that the ICE could do but isn't allowed to do
Like max torque @ 1RPM? 🤔
contrary to the schoolboy-level wisdom of today ....
the archetypal electric motor has maximum torque independent of rpm ie 0 rpm, 1 rpm, 1000 rpm, 10000 rpm etc
the torque is a manifestation of current flow
eg EV 'inherent' torque is same/more at 150 mph as 15 mph - but it's reduced with speed or the battery would be flat in 5 min
reduced by using at each rpm such voltage to limit the current ie torque according to expectation and practicalities
I thought that here 'electric torque' meant having eg 1000 hp near the start of a straight and 500 hp in the middle
that's what's efficiency-advantageous and allowed to the F1 electric machine but withheld from the ICE ....
(by severely limiting the fuel rate whilst having no electric equivalent)
otherwise efficient ICE-only F1 could have eg 1000 hp near the start of the straight and 500 hp in the middle no problem
'no such thing' as such high efficiency electric machines combining high torque/low speed & low torque/high speed capability
F1 rules even prevent this - and they have an 8 speed gearbox instead
it's paradise for the electric system - constant high rpm/low torque
btw
Paxman Hi-Dyne rail diesel-mechanical gearless locos 70 years ago started pulling from zero rpm (differential supercharging)
eg a 100-truck goods train starts 1 truck then another etc so needs less torque when all 100 trucks are moving ....
by then the rpm is 200-300