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08-09-2010, 01:15 PM
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#1 |
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Not Yet Wild
Join Date: Oct 2008
Location: Gonzales,Texas
Posts: 55
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Shudder on take off
Got my Logisystem 700 amp controller couple weeks ago and installed it along with high speed motor from CartZone previously installed.All I can say is hang on!
 Same speed as before "27mph" but will spin tires in loose gravel or slick concrete and gets to the speed in half the time!Quiestion is that at a sloww take off or trying to maintane a slow speed I get a bad shudder like power going in in out  If you just floor it no problems but if you feather it kinda goes ;start,clunk,start,clunk, then smoothes out. And when wanting to go like 2 or 3 mph it constantly clunks back and forth?Any Takers or help greatly appriciated! TIA |
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08-09-2010, 02:18 PM
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#2 | |
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Gone Wild
 Join Date: Nov 2008
Location: Peachtree City, Georgia
Posts: 1,546
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Re: Shudder on take off
Quote:
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08-09-2010, 02:23 PM
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#3 |
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Not Yet Wild
Join Date: Oct 2008
Location: Gonzales,Texas
Posts: 55
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Re: Shudder on take off
2001 Club Car Series 48volt
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08-09-2010, 02:28 PM
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#4 | |
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Gone Wild
Join Date: Nov 2008
Location: Peachtree City, Georgia
Posts: 1,546
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Re: Shudder on take off
Quote:
Does it have the MCOR unit? These are a black box on the passenger side frame rail right under the passenger side foot area. Check and see if you have one of these. Looks like this MCOR If so, replace it as that is most likely your problem. |
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08-09-2010, 02:37 PM
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#5 |
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Not Yet Wild
Join Date: Oct 2008
Location: Gonzales,Texas
Posts: 55
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Re: Shudder on take off
will check this afternoon and get back with ya!
thanks |
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08-12-2010, 06:29 PM
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#6 |
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Not Yet Wild
Join Date: Oct 2008
Location: Gonzales,Texas
Posts: 55
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Re: Shudder on take off
Finally checked cart and yes it has a MCOR! We sure that is what I need before I spend another 100 to 150 dollars?lol May be a silly question but why did I never notice the shudder with old controller!?
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08-12-2010, 06:49 PM
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#7 |
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The Last Moja Morani
Join Date: Jan 2007
Location: jumping from cart to cart
Posts: 8,975
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Re: Shudder on take off
i,m gussing your pulling more amps with the 700 amp controller and it could be an indication of a battery problem, load test your batts since its only doing it when taking off........i,m guessing and i,ll be corrected if i,m wrong and someone else may know more about it hopefully they,ll chime in......................
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08-13-2010, 08:53 AM
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#8 |
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Not Yet Wild
Join Date: Oct 2008
Location: Gonzales,Texas
Posts: 55
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Re: Shudder on take off
Load tested batteries everything fine. Batteries are less than a year old, Trojan 875's. Don't think they are an issue?
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08-13-2010, 08:59 AM
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#9 |
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Gone Wild
Join Date: Nov 2008
Location: Peachtree City, Georgia
Posts: 1,546
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Re: Shudder on take off
They go bad, plain and simple, I have my stock controller, upgraded to a 500amp, ran fine for a bit and then a few months later MCOR started having problems. I simply replaced it and never looked back.
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08-13-2010, 09:13 AM
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#10 |
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Not Yet Wild
Join Date: Jul 2008
Location: Texas
Posts: 12
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Re: Shudder on take off
I had the same problem with an Alltrax controller. I was able to program out the shudder by changing the ramp up and ramp down rates. Also, mine works never did shudder with the standard controller. I put the standard back on just to make sure.
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| Tags |
| 700 amp logisystems w/hsm |
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