[AT] OK, oddball question...

[Steve W.]

Indiana Robinson wrote:
> One of my "old tractors" is IIRC about a 1996 Club Car 36 volt golf 
> cart. With chevron tires (like tractor rears) they will get around well 
> and will pull a lawn trailer about anywhere. I try to not over do it but 
> I have in a pinch pulled one of my smaller tractors a very short 
> distance or for a quick pull start.
> It is as I said a 36 volt one using six 6 volt deep cycle batteries.
> Now for the question... Hoping that some are better at theory etc. than 
> I am. It's been a long hot day and my brain is in granny gear and I 
> can't find what I want on-line. There are a number of golf cart 
> accessories that operate on 12 volts like the back-up alarm, radio, 
> lights, fan etc. You can pull 12 volts from any 2 adjoining batteries. I 
> have read that you shouldn't draw too hard from any one pair or they 
> will not always recharge evenly but apparently if those two do drop some 
> power there is some balancing from the other batteries. Supposedly they 
> try to find a common level with the weakest battery. (shrug)
> What I want to know  is what would be happening if I were to connect a 
> 12 volt alternator powered by a very small gasoline engine to feed 12 
> volts to the center 2 batteries? Would it move to the other batteries some?
> Sometimes when we are working horse fences a lot we get might get a bit 
> low on go juice when back in a back corner of the farm especially if 
> running in deep snow. Not this week.  :-)
> I fed the question into my boiled brain and it came back "error 404, 
> page not found"...  :-)
> 
> .
> 
> -- 
> -- 
> 
> Francis Robinson
> aka "farmer"
> Central Indiana USA
> robinson46176 at gmail.com <mailto:robinson46176 at gmail.com>

I would probably just install a 12 volt deep cycle battery or two with a 
charger that you just plug in with the main charger. Or get a DC-DC 
converter and tap the full 36 volts to feed the 12 volt stuff.
Or go old school and use a 36 volt motor to spin a 12 volt generator...

-- 
Steve W.