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Unread 10-26-2013, 11:15 PM   #1
Not Yet Wild
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Default Speed Expectations For 48 Volt CC

Hello All,
I converted a '97 CC DS 48-V this year for hunting camp. It has the original motor, but thanks to a site sponsor, I now have a 500-amp Alltrax controller, new solenoid, h/d f/r switch, & #4 cables throughout. The batteries are decent and hold charge well. It's on a 6" lift over 12" trail tires/wheels and has a flip/flop rear seat.
I did the electrical conversion after installing the lift & seat, and it does have a good deal more power (torque), but do I have my speed expectations set too high? Using a phone app to tack my speed, I max at 10mph on flats & 4-6mph on hill grades. Is that normal? My concern is not having the right speed/torque combination when trail conditions at camp get wet & sloppy. I call it the Battle Buggy & would like for it to live up to the name...
If I need to make a motor change or something else, please keep budget considerations in your advice...
It's getting wild...
Thanks,
Big Jack
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Unread 10-26-2013, 11:27 PM   #2
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Default Re: Speed Expectations For 48 Volt CC

Bone stock a cart should do a little better than that, something definitely sounds amiss. Sounds like there is a lot of new equipment on the cart, which would lead me to look at possibly the batteries not being as good as they should be, or maybe the motor being worn.

Others will chime in with ideas as well.
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Unread 10-27-2013, 03:11 AM   #3
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Default Re: Speed Expectations For 48 Volt CC

My not so stock 97 48v does 25 +- so not sure what total stock would be, I have a HS motor.
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Unread 10-27-2013, 01:50 PM   #4
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Default Re: Speed Expectations For 48 Volt CC

I would guess your cart should be running around 15 mph.
Amps= torque, Volts= speed
I had a 48v 96 CC and it would top out at about 15-16 mph.
Do you have good torque on hills?
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Unread 10-27-2013, 05:47 PM   #5
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Default Re: Speed Expectations For 48 Volt CC

So far you are echoing my thoughts that it should be a little quicker. The stock motor is series, not iQ. If each battery is at full charge, how else would I grade them? As to hill power, it drops speed to 4-6 mph but is constant at that rate during the climb, moving back to 10mph on the flats.
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Unread 10-27-2013, 06:17 PM   #6
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Default Re: Speed Expectations For 48 Volt CC

Quote:
Originally Posted by Big Jack View Post
So far you are echoing my thoughts that it should be a little quicker. The stock motor is series, not iQ. If each battery is at full charge, how else would I grade them? As to hill power, it drops speed to 4-6 mph but is constant at that rate during the climb, moving back to 10mph on the flats.
Man those are terrible numbers for your system. No torque and no speed...
How old are the batts, and are you sure they are strong?
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Unread 10-27-2013, 07:18 PM   #7
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Default Re: Speed Expectations For 48 Volt CC

So, if the batteries are bad, wouldn't that show up on a multimeter test as being less than full charge?
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Unread 10-27-2013, 07:27 PM   #8
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Default Re: Speed Expectations For 48 Volt CC

Short answer, no. Check the specific gravity of each cell in the batteries. Also, how old are the batteries and do they have water over the lead in each cell?
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Unread 10-27-2013, 07:34 PM   #9
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Default Re: Speed Expectations For 48 Volt CC

you have to load test them,run your cart for 10 mins or so and let it set for 15 to 20 mins and then test them with your multi tester,shouldnt go down much,you should have 50.5 volts right after a full charge,if it goes down to like 47 or 48 after only 10 mins of riding there bad or atleast 1 of them are bad,hope this helps.....................jay
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Unread 10-27-2013, 07:43 PM   #10
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Default Re: Speed Expectations For 48 Volt CC

Thanks for the battery tips Jay & Abe, I will test this week.
As to the charger itself, should it return to 0 amps and automatically shut down on completion? This one does neither.
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