On Tue, 15 Mar 2005, D F wrote:
> Hello fellow Mini Baja Team:
>
> We are a relatively young team and we had a question
> about charging the car's battery off the B&S engine
> that is provided. We are using electronically
> activated rear hubs and didn't want to be stuck
> mid-race with a dead battery.We emailed B&S and their
> response was that we needed a new (different)
> flywheel, stator, and misc hardware. That's cool with
> us and we're going to purchase the additional parts
> and make it work but we were wondering if any teams
> have done a similar charging system, of course the
> charging would take place only when the engine is
> running.
> On a related note in section 21.4.17 Onboard
> Instrumentation/Data Acquisition it states that "The
> power for this instrumentation may be from approved
> batteries. The batteries should be sealed and of the
> dry chemical type (e.g. alkaline) or gel type." Would
> you know if a normal ATV battery (not dry type) is
> okay to use if you're NOT using onboard
> instrumentation or data acquisition?
>
> Thnaks a million for any input or help you could give
> us
>
> BU Mini Baja
>
I think that what they are concerned with is if the battery will leak if
it is inverted. There are gel type lead acid batteries that are sealed
and will not leak in any position. You can buy rough service batteries
from Optima that would meet these rules but they are probably
larger and heavier than you desire.
http://www.dcbattery.com/optima2.html
These or something similar would probably work:
http://www.exideworld.com/products/motorcycle/champion_sealed_powersport.html
Sam Drake
Univ of Utah
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