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.

well .....
at any instant inertia forces of 6 pistons etc acceleration/deceleration are summed by the block
these forces are always varying because of the motion (reciprocation) ....
variation of the instantaneous sum is what vibrates the block ..... in proportion to rpm squared

combustion forces have little effect as they self-cancel eg push piston down and head up
vibration-wise it doesn't matter if pistons are inactive (yes it might matter eg to crankshaft life)

[Brahmal]

perhaps they can lose the 8 speed transmission and go for 'Prius-style' transmission ?
seamless continuous transmission controlled by variation of MG behaviour ....

Lol, if these manufacturers really want more real-world applications for the money they're spending on F1 development, creating a CVT that can handle 1000hp would absolutely be a good one!

[AR3-GP]

perhaps they can lose the 8 speed transmission and go for 'Prius-style' transmission ?
seamless continuous transmission controlled by variation of MG behaviour ....

Lol, if these manufacturers really want more real-world applications for the money they're spending on F1 development, creating a CVT that can handle 1000hp would absolutely be a good one!

CVT doesn't seem to be popular in the real world.

[Tommy Cookers]

haven't 20000000 or so been made ? (Toyota, emulators under licence of T's patents, and others)
conceptually similar to that British-invented and used in all tank track drives since 1917

axially short, it could fit ahead of the ICE
the 2 MG version is screaming to be the sought-for front axle MG
front axle MG connected by a front propshaft or by a rear propshaft and the track and the wheels
something like it (but even simpler) could be used with 1 MG (but less reduction range)

this is better than the present and better than the 'range-extender' ICE-electric approach
it would go round the race tracks just fine ... and endlessly be on-trend