F1 » How it works: Williams Hybrid Power Flywheel


Technical insight into Williams' popular hybrid technology.

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gumby - Unregistered

September 30, 2012 7:07 AM

Oh wow I just seen your reply pcxmac. It's a little late, but I will explain why electric motors are more efficient. A combustion engine has to have RPM's to make any power at all. And at it lowest setting (idle) it has to be spinning to make any power or torque. As we all know it barely makes enough power to pull a golfcart at that speed. And it has to be revved much higher to make any serious HP or torque. An electric motor can make its maximum torque a zero RPM's. It does not even have to be spinning to make power. Instant power and torque. No need to start it and warm it up, no need to rap it up to smoke the tires, no need to put oil in it, super low wear, no valve float, quiet, etc. The list goes on and on. We love our combustion engines. They are now so refined that they are engineering masterpieces that make any machinist drool. Not trying to be contentious, just wanted to explain why we most definitely will be running electric motors shortly. It pretty much is a done deal. Late

pcxmac - Unregistered

September 26, 2012 8:11 AM

Endurance racing is where this should be focused, not in 'sprint' racing. FIA need to start promoting endurance racing and leave Formula 1 for outright speed and efficiency for that particular form of racing.

pcxmac - Unregistered

September 26, 2012 8:08 AM

I dont believe this unit is as efficient as petrol though, pound for pound, petrol is still winning, I believe, over the course of an F1 race. Losing the weight of a KERS unit would make their lap times faster, most likely, and they would expend less fuel moving less weight.

If you want efficiency, dont regulate it.

107SS2009

September 25, 2012 8:19 PM

KGBV and D, “and a shame that their F1 team doesn't use it anymore” If the Williams F1 team (the makers of the flywheel KERS) ever used it on their F1 car I must have missed it being used by them.

DM52 - Unregistered

September 25, 2012 5:23 PM

Gumby - Williams use a battery system in their F1 cars at the moment because it is easier to package, apparently although the flywheel system is lighter you need the space to accomodate the flywheel itself whereas battery cells can be made to fit various shapes and sizes.
The flywheel system would work as it only needs to be spun up to a certain rpm to achieve the 60 or 80 kw's of energy so you would just have it spinning a lot faster to allow for the 'slow down'.

KGBVD - Unregistered

September 25, 2012 4:36 PM

Is this a piece on new technology? What's that?!? Environmental savings? Less fuel consumption?

EVIL!!! KILL IT WITH FIRE!

The flywheel gets around the huge cost of batteries which have to be replaced and lose performance as they age. It's really just a stop-gap solution until they develop better battery tech. It's a fantastic idea (and a shame that their F1 team doesn't use it anymore).

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