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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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05-18-2017, 10:39 AM | #21 | |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Motor recommendations
Quote:
I haven't done the math, but have stock tires. The difference was I was expecting it. If it were to occur unexpectedly, while one hand was on the wheel and the other was on an adult beverage, the outcome would have been different. One day, I plan on bigger tires, which will reduce RPMs. Been throwing all my spare change at AI and autonomous car chip makers' stocks for now. |
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05-18-2017, 10:54 AM | #22 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Motor recommendations
35MPH = 8131RPM on 18" tires.
Your motor is rated at 5330RPM, so ~8k is probably in the ballpark. |
05-18-2017, 11:02 AM | #23 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Motor recommendations
That's where they measured the max Hp.
BTW, your goggles are starting to look like the VR goggles being sold. You were ahead of your time. |
05-19-2017, 01:13 PM | #24 |
Gone Wild
Join Date: Feb 2017
Location: south florida
Posts: 304
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Re: Motor recommendations
Spoke to The following
PQ however I don't really have any direct options as I don't have a core for a Bandit and I'm underpowered for a Executioner D&D stated the ES 76 51 was a engineering sample motor and there's no field maps to for that motor with an alltrax so they recommended a 505-0001 motor EMP gave me a list of 4 options from 1 being a slightly upgraded stock, to a upgraded D&D 505-001 to a super upgraded motor with beefier internals ZQS48-3.8-Tb-LR Not sure which route to go, any input? Did I miss any company?. I'm getting an Alltrax XCT and also a speed sensor so I can limit rpms what do you guys think? |
05-19-2017, 01:59 PM | #25 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Motor recommendations
Quote:
1. D&D is more than a little gun shy about some of the Alltrax field maps out there for their ES-76-51. They recommend not weakening the field below 3A with a ES-76-51 and absolutely don't want to go below 2A and some of the Alltrax field maps (like the one I'm using) can drop it down to 1A. (Maybe lower, but 1.0A is the lowest I've ever seen while logging data from my XCT controller.) Motor heat is the issue, and they get really hot when the field is weaken too much. 2. Admiral. Give Scotty a yell. He sells them. 3. Hopefully you still have the original speed sensor plug. You'll need it to plug into the XCT-PDS controller. |
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05-19-2017, 01:59 PM | #26 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: Motor recommendations
I would go with EMP in a heartbeat on this one. Ask them what they can do with a new Admiral D2 or ?
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05-19-2017, 02:17 PM | #27 |
Gone Wild
Join Date: Feb 2017
Location: south florida
Posts: 304
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Re: Motor recommendations
So these are the options from EMP
OPTION 1 - upgraded stock motor - DE2-4007-LR This is an upgrade to the stock PDS motor. We would modify the magnetic systems and would optimize the field winding to take full advantage of the Alltrax control's field circuit. We would also install high performance low loss brushes, install new bearing, and pre-lubricate the input shaft. This option is the least costly and would be suitable for lighter duty applications. Top speed would be expected to be 25-28 MPH. (I would not recommend tuning for higher speed as the amp levels would begin to stress this motor.) ---------------------------------------------------- OPTION 2 - UPGRADED GE AFTERMARKET MOTOR - 5BC48JB1061A-LR This option begins with a GE motor originally produced for higher top speeds. The armature bar count is different and the armature conductors are larger as compared to option 1. The brushes are the same cross section as with option 1, but the brush mechanism comes standard as the heavy duty type and the brush mechanism is the reaction type which is less prone to stuck brush issues. As a result of these features, this option will be tougher thermally than the option 1 design. The performance can also be made "stiffer" as well. (This just means that higher speed can be maintained even when load is increased or slight grades are met.) This motor can meet your speed target. $75 more than option 1 ----------------------------------------------------- OPTION 3 - upgraded D&D motor - 170-505-0001A-LR This option uses a motor made be D&D with some differences which make this motor tougher than option 1. First, the brush cross section is 25% larger than in option 1 or option 2. The brush mechanism is also standard as the heavy duty type. Finally, this motor has a slightly longer stack which can be helpful for acceleration, etc. Same price as option 2 aka also $75 more than option 1 ----------------------------------------------------- OPTION 4 - upgraded beefier motor - ZQS48-3.8-Tb-LR This option has an alternate armature construction with larger conductors. The brush system is the same larger brush system as found in option 3. The stack length in this option is larger than any of the others. As a result of these features, this design would be the most robust thermally. (This just means it could handle highest loading with least chance of overheat.) An additional $150 more than option 1 So knowing my application, 18inch tires street legal cart-100% on road with the alltrax xct 500 with 42v and 2 gauge wiring Im thinking option 4 is too beefie? Lol Options 2 and 3 look good, anyone have any things to consider when looking at those two? Chuck did a phenomenal job writing this up btw. |
05-19-2017, 02:23 PM | #28 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: Motor recommendations
I think option 3 will put you where you want to be.
20" tires wouldn't hurt this rig either. |
05-19-2017, 02:31 PM | #29 | |
Gone Wild
Join Date: Feb 2017
Location: south florida
Posts: 304
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Re: Motor recommendations
Quote:
Other question is there 20 inch tire options for 10 inch rims? My home has a original carport that was built out into a large garage however the ceiling was never raised. Therefore I dont have clearance to have a lifted cart on 22/23 inch tires. But if I can find some tires for the current wheels then in the future I could go that route. |
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05-19-2017, 03:46 PM | #30 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: Motor recommendations
Hundreds of em - google is your friend
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