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-   -   No pull (http://www.buggiesgonewild.com/electric-club-car/99509-no-pull.html)

tomakazi 10-07-2014 08:59 AM

No pull
 
I wrote this post yesterday but apparently it went to a black hole in cyberspace.
Since the post was very long I'll take a more direct route this time in case this one disappears.

Cart: 94 DS in like new condition.
Problem: no torque and acceleration. (have to take a run at the trailer to load it and cables from F/R switch become so hot they cannot be touched after a couple minutes run time).

Particulars: New Trojans-new battery interconnect cables, seem to be 4Ga.,-stock cables from F/R switch.

Cart will run 25mph with windshield removed and no wind on a flat, smooth surface.

I have 2Ga. welding cable to make up new runs from the F/R switch but before I install I would like to find an answer to my situation.

I have four other DS carts at my work place ranging from 96 to 00 and they have all stock cables and generic batteries and none of them exhibit this pattern. However they all top out at about 12-13mph.

Could someone with specific knowledge on this subject please shed some light?

Thanks, in advance

mrgolf 10-07-2014 09:21 AM

Re: No pull
 
Hot cables could be loose connections. Also with the speed you are talking about it could have high speed gears. At any rate all your cables are no larger than the smallest one. It will be a bottleneck.

tomakazi 10-07-2014 09:46 AM

Re: No pull
 
Is there evidence in the serial number as to the gear ratio?

mrgolf 10-07-2014 10:24 AM

Re: No pull
 
Quote:

Originally Posted by tomakazi (Post 1081675)
Is there evidence in the serial number as to the gear ratio?

No. Without opening some things it is not that easy to tell.
Lots of things could cause the problem you are having. It could also something in the way the batteries are connected. It is possible to only have 5 of the batteries in the circuit.

These guys here are pretty good at finding problems from looking at good photos.

teecro 10-07-2014 12:11 PM

Re: No pull
 
Bottleneck in cable size and/or poor contact being made in F/R switch...

tomakazi 10-07-2014 02:04 PM

Re: No pull
 
I'll check the F/R switch next but how the hell is this thing going 25mph?

teecro 10-07-2014 02:11 PM

Re: No pull
 
Quote:

Originally Posted by tomakazi (Post 1081790)
I'll check the F/R switch next but how the hell is this thing going 25mph?

Sounds like it has high speed gears which would explain the lack of torque for going up the ramp and if the cables are undersize or you have poor contact that will still allow it to build a head of steam if given enough room but it will produce a lot of heat at or near the bottleneck...

tomakazi 10-07-2014 02:37 PM

Re: No pull
 
Quote:

Originally Posted by mrgolf (Post 1081697)
No. Without opening some things it is not that easy to tell.
Lots of things could cause the problem you are having. It could also something in the way the batteries are connected. It is possible to only have 5 of the batteries in the circuit.

These guys here are pretty good at finding problems from looking at good photos.

Mr. Golf, no disrespect intended but if I had only 5 cells in series, 30 volts, which I do not, how do you explain the 25mph?

tomakazi 10-07-2014 02:39 PM

Re: No pull
 
Quote:

Originally Posted by teecro (Post 1081795)
Sounds like it has high speed gears which would explain the lack of torque for going up the ramp and if the cables are undersize or you have poor contact that will still allow it to build a head of steam if given enough room but it will produce a lot of heat at or near the bottleneck...

If the cables were the issue how do you explain the fact that the 4 carts we have at work, which have 6Ga. stock cables do not share this issue?

tomakazi 10-07-2014 02:42 PM

Re: No pull
 
Quote:

Originally Posted by teecro (Post 1081795)
Sounds like it has high speed gears which would explain the lack of torque for going up the ramp and if the cables are undersize or you have poor contact that will still allow it to build a head of steam if given enough room but it will produce a lot of heat at or near the bottleneck...

How could this cart have "high speed gears" in it. Were different ratio gears available for the CC DS as an option at some time?

The cables are not "undersize" but are stock.


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