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Unread 09-10-2016, 12:31 PM   #1
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Default More pull uphill!

Have a great 2010 48V Precedent Cart. 350A 1515S controller. Ranger 160 batteries. PQ Executioner motor. Runs like a dream and I can overtake every other golf cart in town, except it's super slow on the steeper hills.

I have never measured how many miles I do per day, but often I make several trips and with the Rangers I have no issues (I used to frequently run out of battery power with the stock batteries). Because I need range, I am hesitant to upgrade the controller to a higher power one.

Any ideas to address this? I saw in one post that PQ do high torque motors - anyone know how these work out?

Many thanks in advance.
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Unread 09-10-2016, 02:06 PM   #2
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Default Re: More pull uphill!

Hi speed and Hi torque are in constant trade off in a DC motor. Generally the more rpms a motor makes the less torque it makes and the opposite is true also. Which is why motors slow to where they make more torque to tackle a hill. There are some motors designed to produce peak torque at a higher rpm but less off the line torque is realized and top end is sometimes sacrificed.

Your next step is a bigger controller and cable upgrade. This will allow the motor you have to access more amperage and produce more torque. If that does not get the performance you want a bigger motor is in order.
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Unread 09-12-2016, 11:59 AM   #3
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Default Re: More pull uphill!

Thanks Scotty. Already have your cables. is 350 still the largest excel controller? Tried a flight systems 500 before but simply couldn't get it to work. Very limited support where I live and I need a plug and play.
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Unread 09-12-2016, 12:14 PM   #4
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Default Re: More pull uphill!

Quote:
Originally Posted by scottyb View Post
Hi speed and Hi torque are in constant trade off in a DC motor. Generally the more rpms a motor makes the less torque it makes and the opposite is true also. Which is why motors slow to where they make more torque to tackle a hill. There are some motors designed to produce peak torque at a higher rpm but less off the line torque is realized and top end is sometimes sacrificed.

Your next step is a bigger controller and cable upgrade. This will allow the motor you have to access more amperage and produce more torque. If that does not get the performance you want a bigger motor is in order.
Well, you convinced me, just ordered a 400 amp controller from you. Looking forward to the results...thanks
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Unread 09-12-2016, 05:20 PM   #5
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Default Re: More pull uphill!

Quote:
Originally Posted by slobdiddy View Post
Thanks Scotty. Already have your cables. is 350 still the largest excel controller? Tried a flight systems 500 before but simply couldn't get it to work. Very limited support where I live and I need a plug and play.
There were hills that my PQ-E motor could not climb until I installed a 500 amp 1268 Curtis Controller from FSIP and other than a very small wiring issue truly of my own fault the directions included were all but "plug N play... While I lose some speed on the steep hills even with 4 and more onboard it is respectable...
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Unread 09-12-2016, 05:27 PM   #6
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Default Re: More pull uphill!

The Alltrax XCT controls are basically plug and play too except you have to change out a couple of wire ends (crimp connectors provided)
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Unread 09-22-2016, 10:33 AM   #7
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Default Re: More pull uphill!

Thanks Scotty - I may try this. One question - When I had my PQ motor build they built it for my controller specifically. Can I change controller without any issue with Motor?

Also, when you say "almost plug n play" pretty much all controller suppliers say this. Literally just a couple of wire ends to crimp and clear instruction manual? No additional plugs to fit and wires to ground?

Many thanks
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Unread 09-22-2016, 10:41 AM   #8
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Default Re: More pull uphill!

Expect to have to change a couple of wire crimp connectors to install.

Contact PQ about compatibility with the Alltrax XCT control.
As far as I know there are no PQ specific maps like there are with D&D and Admiral Motors. Alltrax does offer a uni-map for all others.
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Unread 09-22-2016, 11:50 AM   #9
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Default Re: More pull uphill!

Robby at Plum Quick is working with Alltrax right now on a map. I have talked with him a few times as I'm installing a executioner motor with a Alltrax XCT500 controller in my cart that I'm building.
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Unread 09-22-2016, 12:57 PM   #10
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Default Re: More pull uphill!

Quote:
Originally Posted by Nsane View Post
Robby at Plum Quick is working with Alltrax right now on a map. I have talked with him a few times as I'm installing a executioner motor with a Alltrax XCT500 controller in my cart that I'm building.
That sounds good so I contacted Alltrax to see how the testing and map writing was going. Well I don't want to quote anybody but map development with Alltrax is not happening.

For PQ use the uni-map1 & turn the turbo feature off.
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