Cam chain tensioners

Chris Burgess chris at chrisburgess.com
Sun May 17 21:57:44 PDT 2009


For F1 its called the KERS (Knetic Energy Recovery) system.   Only a few
teams have it but its like a turbo button.  Right now F1 still allows pit
stops and the fuel tank is equal but next year or so they won't have pit
stops anymore.  :)

-chris

On Sun, May 17, 2009 at 9:38 PM, Randy Grein <randygrein at comcast.net> wrote:

> Weird. But maybe they are cutting the battery weight to minimum, or perhaps
> they're looking at it like engineers instead of physicists. I read last year
> that MotoGP riders (and, presumably World Superbike as well) use full
> throttle 2-3% of each lap. All other times presumably a bit of excess engine
> power could be converted to electricity for use later; during peak power
> demands it makes sense to block noncritical conversion. Formula I is
> experimenting with something similar with a hybrid car option. However
> maximum storage and power conversion are limited so I suspect it won't be
> widely used - yet. I'm not fully up on car racing but if they limit fuel
> capacity like they do on bikes the milage savings may well justify the extra
> weight and complexity.
>
> Some interesting things are happening with capacitive energy storage that
> MAY affect bikes making a practical hybrid possible - it may make a full
> performance electric possible. Wouldn't that be a hoot - listening for that
> electric buzz sound of power not quite audible over the slap of tire to
> tarmac. Would posers add electronic throbbing V-twin power sound to their
> rides?
>
> Randy Grein, WMRRA #41
>
>
> On May 17, 2009, at 7:52 PM, Steve Robertson wrote:
>
> I was reading somewhere that a HRC race alternator does the opposite,
>> not producing much below 6K.
>>
>> Final bit about this is that a really clever racer might configure the
>>>  alternator so that it stopped producing power during full throttle
>>>  application. Even with an SV much of the circuit is run under part-
>>> throttle operation. Cutting the alternator to run off the battery
>>>  (temporary total loss) might give the best of both worlds for  endurance
>>> racing - during the daytime anyway. (grin)
>>>
>>
>>
>


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