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Unread 10-26-2009, 10:37 AM   #1
Not Yet Wild
 
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Default bigger motor and battery life

i have a new motor in my club car that's now a 16.5 hp 48 volt and have a new 400 amp controller...once i have new US batteries will the new motor cause my riding time to be less? i mean does the motor pull a lot more energy therefore giving you less time on the road??? if so how much less time?
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Unread 10-26-2009, 11:07 AM   #2
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Default Re: bigger motor and battery life

In theory no if you do not accelerate at a greater rate or go any faster than you did before. In practice though you will get less run time.
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Unread 10-26-2009, 12:37 PM   #3
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Default Re: bigger motor and battery life

i just put the pedal to the metal...not that these electric cars can go all that fast...30 max on a ful chg...but i guess your saying the larger motor will definately produce less road time even with new batteries. by road time is half of what it was 3 months ago...batteries are clean and i maintain them really well...but i bought the car 6 yrs old and bat's same age (swollen at sides) but it's been scootin along real good until recently...so, i'm installing new batteries tomorrow.
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Unread 10-26-2009, 01:12 PM   #4
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Default Re: bigger motor and battery life

Quote:
Originally Posted by whisp View Post
i just put the pedal to the metal...not that these electric cars can go all that fast...30 max on a ful chg...but i guess your saying the larger motor will definately produce less road time even with new batteries.
Short answer is YES. By slamming the pedal to the metal you are putting a lot more load or drain on the batteries with a larger motor. So if you went from say a 2 HP motor to 10 HP, you will in theory only get 1/5 of the road time. Distance wise just less than half the distance on a flat level smooth surface.
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Unread 10-27-2009, 10:08 AM   #5
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Default Re: bigger motor and battery life

Or look at it this way ,
Lets say the store is 7.5 miles away
If it took U 1 hours to get to the store and back on the old motor doing 15 mph.
But it now takes only 30 minutes (1/2) the time with the new motor doing 30 mph.

The same amount of battery is used, the same distance is covered, but peddle time is cut in half .

So YES what "sunking" said

and don't sell yourself short 30 mph on a cart is D%^&*m good ,
Good JOB
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