2026 Hybrid Powerunits

[wuzak]

A lot of extra friction and inertia for how much benefit?

Also, the crankshaft is a 3 pin, 120° crankshaft by the rules. How well does that work with running a 4 cylinder?


4 cylinder running a 4/6 of maximum fuel flow = 2,100MJ/h, which is 6,802rpm per fuel flow regulations.
4 cylinders running at 550MJ/h = 2,200MJ/h, which is 7,155rpm per fuel flow regulations.

[bananapeel23]

A lot of extra friction and inertia for how much benefit?

Also, the crankshaft is a 3 pin, 120° crankshaft by the rules. How well does that work with running a 4 cylinder?


4 cylinder running a 4/6 of maximum fuel flow = 2,100MJ/h, which is 6,802rpm per fuel flow regulations.
4 cylinders running at 550MJ/h = 2,200MJ/h, which is 7,155rpm per fuel flow regulations.

I forgot that the crankshaft is regulated.

Another possibility is that teams could be playing around with per-cylinder fuel flow at low speed in order to create more exhaust pressure?

[AR3-GP]

The V4 would have terrible vibrations. So would the V6 being run like a V4.

[Tommy Cookers]

The V4 would have terrible vibrations. So would the V6 being run like a V4.

how would that be ?

the vibration comes from the variation of the instantaneous sum of the inertia forces
ie the forces due to the motion of the pistons etc thousands of times per minute
they are the same regardless of what caused them to move thousands of times per minute

combustion forces have little effect as they cancel eg simultaneously push piston down and head up