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Electric Club Car Electric DS, and Precedent golf cars |
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12-15-2010, 09:59 PM | #1 |
Not Yet Wild
Join Date: Dec 2010
Posts: 7
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excessive power usage
I have a 2007 Club Car precedent. I added a high speed motor, high speed gears a 500 amp controller, new 4 ga cables and new batteries. I played 1 round of golf and my yellow battery light came on before I got home. It might be a half a mile to the course, I used to use about 2-3 bars on my guage when I played the same course with just the high speed motor. What is draining my power so I can replace it?
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12-15-2010, 10:05 PM | #2 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: excessive power usage
Welcome to BGW!
2 things factor in ..... 1. the bigger controller allows the motor to draw more amps. 2. the new batteries are yet up to full power. |
12-15-2010, 10:09 PM | #3 |
Not Yet Wild
Join Date: Dec 2010
Posts: 7
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Re: excessive power usage
how long does it take to get the batteries up to snuff and do you think this set-up will work or should I change the controller?
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12-16-2010, 02:49 AM | #4 | |
Gone Wild
Join Date: Oct 2010
Location: Panama City, FL
Posts: 1,408
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Re: excessive power usage
Quote:
the last thing you want to do is use your controller as a bottle neck! excessive current consumption is most likely due to a poorly optimized powertrain. i would look into either gearing down or having your motor rewound with not so hot of a wind. cheers! -sj |
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12-16-2010, 06:29 AM | #5 | |
Ban Puppy Mills & Stores!
Join Date: Dec 2008
Location: SE Florida
Posts: 2,955
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Re: excessive power usage
Quote:
I also have a high speed motor and my cart can always do 15 to 20+ miles on a charge. |
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12-16-2010, 09:09 AM | #6 |
Not Yet Wild
Join Date: Dec 2010
Posts: 7
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Re: excessive power usage
Thanks to everyone for the replies. I have 10" tires. I probably picked up 4-5 miles per hour with the gears. The cart is about to drive me nuts. I have had the motor replaced 3 times because they would lose speed after about 3 months but no one could figure out why-(about 2-3 mph) so to make up the speed I got the gears and it worked but after about 2-3 months my 2 1/2 year old batteries wouldn't get me to the golf course and back-thus the new batteries. I was told not to just put gears and motor without controller upgrade, thus the new controller. I'm hoping with enough recharges the batteries will get me the run time I need to play a couple of rounds without the lights coming on. The cart is much faster up and down hills and on level ground, probably around 30mph on level ground. bottom line it's quick but won't go very far.
thanks again to everyone for the help--headed to the cart shop today to discuss options with them. |
12-16-2010, 09:27 AM | #7 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: excessive power usage
Your cart has a Sepex motor. With the speed gears +speed motor you never get out of a high torque situation on the course. Your cart is set up for 30pmh and not creeping up to the greens or tees ... Extended run time in torque mode is killing your speed motor with the heat generated by too much low speed operation. I would change the motor back to a torque motor and give up a few MPH on the flats.
P.S. you are not breaking your batteries in nicely by running them down so much either. Improper break in & use will diminish battery useful life. |
12-16-2010, 09:35 AM | #8 |
Not Yet Wild
Join Date: Dec 2010
Posts: 7
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Re: excessive power usage
Thanks again..not sure what a sepex motor is-the last one they put in was a GE. I ran the cart yesterday about 3 miles and it went down 3 bars on the battery gauge and I put it back on the charger. The cart shop suggested going to a less powerful motor, I don't remember the name, maybe a mantec or something like that.
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12-16-2010, 09:39 AM | #9 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: excessive power usage
Sepex ( separately excited ) is the type of motor it is. Well a more 'wound for torque' motor is what you need... and read the battery break in procedures. Battery break in done right increases performance and lifespan.
Good Luck! |
12-16-2010, 09:42 AM | #10 |
Not Yet Wild
Join Date: Dec 2010
Posts: 7
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Re: excessive power usage
thanks for the help--as you surely have figured out by now, I am very mechanically challenged in the are of golf carts.
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