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Old 06-16-2013, 04:32 PM   #11
bigcbizle
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Default Re: should i upgrade???

Would you guess ? As too how much my emp motor would draw
Im thinking of ordering a axe 650 today and a set of 2 gauge welding cables
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Old 06-16-2013, 05:42 PM   #12
chloe
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Default Re: should i upgrade???

"Im thinking of ordering a axe 650 today and a set of 2 gauge welding cables."

That sounds like a good idea.
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Old 06-16-2013, 06:58 PM   #13
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Default Re: should i upgrade???

Quote:
Originally Posted by bigcbizle View Post
Would you guess ? As too how much my emp motor would draw
Im thinking of ordering a axe 650 today and a set of 2 gauge welding cables
That's not really a valid question. If you held the brakes so the wheels couldn't spin - so the buggy has infinite load - then punched it, in theory it would draw infinite amps. Not really, but it could draw right up to the limits of the batteries and cables. In other words, if allowed, it would self-destruct. You have to limit what you give it.

A motor will draw what it needs, right up to the point it melts the insulation on the windings.

A better question might be how much can it take (not draw), and even that's not easily answerable. Most motors (transformers, etc.) can be SEVERLY overloaded as long as temperatures are monitored.
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Old 06-17-2013, 07:56 AM   #14
JohnnieB
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Default Re: should i upgrade???

Quote:
Originally Posted by bigcbizle View Post
Would you guess ? As too how much my emp motor would draw
Im thinking of ordering a axe 650 today and a set of 2 gauge welding cables
In a nutshell, your motor will draw whatever the controller will allow it to draw, if the batteries can produce the amps and the high current cables and contacts can pass them.

With a 400A controller, it will draw a maximum of 400A.
With a 650A controller, it will draw a maximum of 650A.
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Old 06-17-2013, 11:27 AM   #15
bigcbizle
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Default Re: should i upgrade???

How much of a difference will i see going from a non programable 400 amp fleet controller
To a 650 axe? i guess what in asking is it worth it?
My batterys are 2 weeks old but for some reason it has 4 gauge cables going from the controller to the motor and has 6 gauge for the batterys so i will be upgrading to 2 gauge for everything
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Old 06-17-2013, 12:57 PM   #16
Sae255975
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Default Re: should i upgrade???

Call the guys at Alltrax, they are very helpful and will answer any questions concerning your controller. I just put the dcx 500 on my cart
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Old 06-17-2013, 06:06 PM   #17
bigcbizle
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Default Re: should i upgrade???

Well i just ordered a complete set of 2 gauge cables today so we will see if that helps any
Untill i get my new controller
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Old 06-18-2013, 06:54 PM   #18
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Default Re: should i upgrade???

Looking for a little help understanding controllers
When im looking up different controllers on alltrax web site
They show a peak amp two min and one hour?
I have a pretty good ideal but could someone explain just so im on the right page?
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Old 06-18-2013, 10:40 PM   #19
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Default Re: should i upgrade???

the controller u have now sould barely work the suspension and the 650 amp will tote the front end in the air
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Old 06-19-2013, 04:28 AM   #20
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Default Re: should i upgrade???

Quote:
Originally Posted by bigcbizle View Post
1. Looking for a little help understanding controllers

2. When im looking up different controllers on alltrax web site
They show a peak amp two min and one hour?

3. I have a pretty good ideal but could someone explain just so im on the right page?
1.a. For the layman, just knowing it is a light dimmer on steroids is usually sufficient.
1.b. For a person with and electrical engineering background, it is a pulse width modulator.

2. Controller are not 100% efficient and the more current (amps) they pass, the more their temperature rises.
They are designed to pass the peak amp rating for at least two minutes without going into thermal overload or burning out.
The one hour rating is what they can safely pass for prolonged periods of time.

The motor in a stock cart draws about 50A cruising on hard level surface.
With oversize tires (23" vs 18"), the amps will be higher at cruise.
However, with a higher pack voltage (48V vs 36V), the amps will be lower.

Max amps are only drawn during hard acceleration, climbing steep hills or similar heavy loading situations and those conditions typically don't last anywhere near the two minute peak rating time.

3. You are asking questions, so you are heading in the right direction.
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