HPG AC30/31/50 owners thread - Page 49 - DIY Electric Car Forums
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  #481  
Old 06-05-2012, 09:01 PM
rochesterricer rochesterricer is offline
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Default Re: HPG AC30/31/50 owners thread

Their website also mentions an AC-75 model coming out:

http://hiperformanceelectricvehicles...44V.motors.htm
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  #482  
Old 06-06-2012, 12:05 AM
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Default Re: HPG AC30/31/50 owners thread

Quote:
Originally Posted by rochesterricer View Post
Their website also mentions an AC-75 model coming out:
Interesting. They seem to be testing it in the Porsche, using a 115 V controller. I'd love to know if that's just temporary, or if the AC-75 is designed for the 96/115 V controllers.

http://hiperformanceelectricvehicles...o-gallery1.htm

Are those photos of the AC-50 they had in there, or the new AC-75? It looks rather air-cooled to me, so I'm guessing AC-50.
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  #483  
Old 06-06-2012, 12:48 AM
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Default Re: HPG AC30/31/50 owners thread

Both the AC-51 and AC-75 are listed under 144 Motors on their website, so I would assume they are both for the big controller.
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  #484  
Old 06-06-2012, 07:39 AM
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Default Re: HPG AC30/31/50 owners thread

Quote:
Originally Posted by rochesterricer View Post
Their website also mentions an AC-75 model coming out:

http://hiperformanceelectricvehicles...44V.motors.htm
I think that is the motor I posted on here:
http://www.diyelectriccar.com/forums...&postcount=327
It's peak shaft power will be limited to about 80 H.P. by the controller though, so won't be able to get 100 H.P. Too bad Curtis didn't go with 650A peak.
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  #485  
Old 06-06-2012, 08:49 AM
MN Driver MN Driver is offline
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Default Re: HPG AC30/31/50 owners thread

I like the 175v max. Seems that I could get about a 20kwh pack if the 130Ah cells were still around. 50 cells at 100Ah would be about 16kwh, a bit on the small side for what I'm trying to convert and with 180Ah cells I'd be in the territory for the AC50 with the 650amp controller that has a 130v max. Hmm. I'd have strong consideration if I had the room and weight capacity for a pack larger than about 20kwh but it seems I'd have to roll with 60Ah cells paralleled and I'm trying to avoid pairing cells. If I built a car with this, I'd buy some nano-tech lipo cells for the 'Rickard 1/4 mile track day', it would take off at a decently quick rate at sub-2000 pounds converted with those light things inside(figuring it was only temporarily fitted with the capacity needed to make a few runs).
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  #486  
Old 06-08-2012, 03:19 PM
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Default Re: HPG AC30/31/50 owners thread

Finally, into my conversion of 1969 VW Bug far enough to start looking at motor/controller. I went ahead and made the plunge for transmission adapter with the unit from RebirthAuto designed for air cooled VW Bug. A

How are the AC50/Curtis AC Motor Controller 1238-6501 holding up? I see one on ebay that is asking $1200 for Controller and wiring harness that seems like a good deal. Tempted to forge ahead.
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  #487  
Old 06-08-2012, 03:45 PM
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Default Re: HPG AC30/31/50 owners thread

HPEVS has programmed the firmware specifically, so just make sure you know what you're getting into if you get something off ebay.

If you do buy it, let me know... might have a motor (AC31) coming into my ownership within a week, or we could order an AC50 for it.
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  #488  
Old 06-08-2012, 04:47 PM
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Default Re: HPG AC30/31/50 owners thread

Doesn't the AC50 ship with a 1238-7501 or 1238-7601, not the 1238-6501?
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  #489  
Old 06-08-2012, 05:00 PM
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Default Re: HPG AC30/31/50 owners thread

Yes, but if he gets the 1238-6501 controller off of ebay, he could still use it with an AC50, it'll just be a little underpowered..... peak torque would be the same as a 7501 though, it'll just push the torque curve out further if you use the 7501 and higher voltage. IMHO the 7601 is the way to go for an AC50, unless he wants to wait for the new 144V controller.
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  #490  
Old 06-08-2012, 07:01 PM
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Default Re: HPG AC30/31/50 owners thread

Quote:
Originally Posted by JRP3 View Post
Doesn't the AC50 ship with a 1238-7501 or 1238-7601, not the 1238-6501?
1238R-7601. Per http://hpevs.com/catalog-ac-50.htm .

Edit: so the Ebay 6501 has much less voltage capability, and a little less current capability, than the presently recommended controller.

Last edited by Coulomb; 06-08-2012 at 07:04 PM.
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