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Old 12-05-2011, 10:06 PM   #1
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Default 72v for offroad

My original plan was a PQ torqe motor and 700a FSIP at 48v,but now I'm thinking since this is a ground up build why not take it a step further. What about a D394 and alltrax 7245 at 72v running 25's. If my thinking is correct it should only be turning around 3200 rpm's at 72v and torque,speed,and range should be greatly improved.BTW it's a 96' TXT and will be running 9 T-875 trojans.
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Old 12-05-2011, 11:10 PM   #2
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Thumbs up Re: 72v for offroad

I say heck yea! Nothing like 72 volts, the only thing better is 80 volts or higher! There is nothing better than voltage for off roading. We put close to 30 miles on it in one day worth of riding.






7-8 volts under the seat and 2 more in the bagwell.


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Old 12-06-2011, 12:19 AM   #3
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Default Re: 72v for offroad

My carts main purpose is hunting but I have a friend that just bought a 64v stealth and he has already made smart remarks about my "homemade" cart so now i have to shut him up. What motor are you running andy?
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Old 12-06-2011, 01:07 AM   #4
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Default Re: 72v for offroad

Now I have to decide between the AXE-7245 and the SPM-72400.
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Old 12-06-2011, 08:30 AM   #5
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Cool Re: 72v for offroad

I have a D&D motor in it right now but I have a brand new custom built PQ motor to put in it. Just haven't had time yet!
I went off roading with some friends back this summer and they all were 48 volts 4x4 carts. I went everywhere they did and I have a stock rear end no posy traction. There is no substute for voltage!
Checkout the video's on you-tube. Under andy4639.
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Old 12-06-2011, 08:37 AM   #6
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Default Re: 72v for offroad

The SPM has higher sustained and peak outputs and the older AXE. I have previously installed but not run AXE7245 for $100 less than the SPM control.
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Old 12-06-2011, 09:54 AM   #7
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Cool Re: 72v for offroad

So this new controller is OK up to 90 volts then according to there site.
This would be nice.

Type: DC "SERIES WOUND" or PERMANENT MAGNET motor controller

Undervoltage cutback: adjustable, 16-30 VDC
Overvoltage shutdown: adjustable,

30-60 VDC (48V models) (60VDC MAX)

60-90 VDC (72V models) (90VDC MAX)


Operating Frequency: 18kHz
Voltage drop @100amps: <0.18V

Control voltage KSI key Switch and Reverse:

SPM48xxx: 24-48V Nom, 62VDC Max

SPM72xxx: 24-72V nom, 90VDC Max


Standby Current (Powered Up): < 35mA (nom)
Reverse sense pin current: <0.02A (20mA)
Relay SOLENOID drive output current: 5amp peak, 0.5A Continuous
Plug Brake output drive current: 100amp current limited

Throttle Input:

ITS (inductive, E-Z-GO)

0-1K Yamaha

Resistive 0-5K ohm (+/-10%) 2-wire and 3-Wire

Resistive 5K-0 ohm (+/-10%) Club Car

0-5Volt

6-10.5Volt (Taylor Dunn)

USB Throttle (New - Software communication driven)

Absolute mode (more info in the future...)

Operating Temperature: -25C to 85C, Shutdown @ 95C

Adjustments via Alltrax Tool-Kit Software:

Throttle acceleration / deceleration rate and map profile

Armature current limit

Brake current limit

Under / Over voltage shutdown

Half Speed Reverse

High Pedal Disable

Plug Brake
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Old 12-06-2011, 05:21 PM   #8
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Default Re: 72v for offroad

Quote:
Originally Posted by scottyb View Post
The SPM has higher sustained and peak outputs and the older AXE. I have previously installed but not run AXE7245 for $100 less than the SPM control.
Hey Scotty could you shoot me PM with the price of the SPM and solenoid? Any word on the bigger 72v SPM's that say coming soon on alltrax site?
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Old 12-06-2011, 08:08 PM   #9
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Default Re: 72v for offroad

Quote:
Originally Posted by Andy4639 View Post
[B]So this new controller is OK up to 90 volts then according to there site.
This would be nice.
The 72 volt AXE has the same max voltage.
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Old 12-06-2011, 08:12 PM   #10
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Default Re: 72v for offroad

Max voltage means just that..... 90v max doesn't mean 84v fresh off of a full charge. You will blow the control over 90v.
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