03-24-2009, 09:10 PM | #1 |
Not Yet Wild
Join Date: Mar 2009
Posts: 4
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36v to 42v
i have an old yahmaha 36v resistor golf cart and i was told that i could add an extra battery and make it 42v and it would give me more torque and my run time would be longer. is this true or is there more i need to do
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03-24-2009, 09:13 PM | #2 |
Gone Wild
Join Date: Mar 2008
Location: Rockwall, Texas (Dallas / Ft. Worth)
Posts: 7,077
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Re: 36v to 42v
You will need the capability to charge to 42 volts, that's the second step...
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03-24-2009, 09:22 PM | #3 |
Not Yet Wild
Join Date: Mar 2009
Posts: 4
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Re: 36v to 42v
if it will work i was planning on charging the extra battery seperate.i want to make sure it will work before i go and buy a battery and i dont wont to burn anything up
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03-24-2009, 09:57 PM | #4 |
Gone Wild
Join Date: Dec 2006
Posts: 679
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Re: 36v to 42v
Make sure the extra battery is fully charged or it will run dead first and sustain damage. It will work, I don't know about longer run time but you will cover more ground in the same amount of time.
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03-24-2009, 10:10 PM | #5 |
Gone Wild
Join Date: Feb 2009
Location: P-COLA
Posts: 1,176
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Re: 36v to 42v
Hey Mike, I had a dealer in Il. who used to ad the extra batt. He said the OE charger worked just fine... Was he pipin' sunshine? He's no longer in bus. and we turned him to collections... But other than that, he was a jam up guy.
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03-25-2009, 06:24 AM | #6 |
Not Yet Wild
Join Date: Mar 2009
Posts: 4
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Re: 36v to 42v
Thanks everybody does anybody know what i will do for torque thats really what im after because i will be using it in the woods and want to put on bigger tires
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03-25-2009, 06:27 AM | #7 |
Stay thirsty my friends!
Join Date: Jan 2007
Location: Suburban Chicago
Posts: 24,286
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Re: 36v to 42v
The charger would work, it would charge the 42v pack to 36v and stop. There would be no benefit, and ALL of the batteries would be UNDER charged. It's little wonder he is out of business.
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03-25-2009, 06:28 AM | #8 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,410
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Re: 36v to 42v
Added amperage will increase torque IF you can access it ( your controller is not too small). But your's is prolly an older resistor cart? In which case you will see an increase in heat at the working components as well. This is really not the best way to go IMHO. Convert to 48 volts and leave the old 36v motor. That will increase torque!
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03-25-2009, 11:04 AM | #9 |
Not Yet Wild
Join Date: Mar 2009
Posts: 4
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Re: 36v to 42v
Thanks so i would need to get rid of the resitor and change it over to a controller and add 2 more 6v batteries
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03-25-2009, 11:12 AM | #10 | |
Gone Wild
Join Date: Mar 2008
Location: Rockwall, Texas (Dallas / Ft. Worth)
Posts: 7,077
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Re: 36v to 42v
Quote:
Flag - the same thing will happen if you try to charge the extra battery seperatley - It is still wired in series with the other 6, so the charger will only charge the 7 batteries to 36 volts, unless you MOVE the charger harness to 36 volts in series and final charge the last (or first) battery in the pack seperately. I'm only guessing here, so any sparkie experts feel free to chime in!!! If you just want to "try" the system out the first time, then charge the 6 batteries you have, then add in a fully charged 7th battery and give it a test run. This will give you a realistic 'test' of your new configuration. If you like it, then you'll need to look into the correct way to charge all 7 batteries at once. There are 42 volt chargers available, however... |
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