Resistor cart coil question

BumbleBee · 02-23-2013, 02:20 PM

Hey guys!

I just picked up an 89 Marathon resistor cart for my son. I am fixing it up for this 16th birthday to drive around until he gets his full license, and keep him off of mine! (ha ha) I will be starting on the build This week and will get pics and start a thread when I get something to show.

Here's my off the wall question..... I have heard of the heat issues that the coils have and was wondering If I double up the coils would that resist the heat? What I mean is I got 2 sets of coils with this cart. if I put both sets on hooking them up parallel, would this cut the heat or just slow the cart down? I know if you run longer coils it would, and that's not the goal. My son will be using this as a hunting buggy and was trying to keep the heat down. since he will be in tall grass. Is this a feasible idea or am I just worrying about nothing?

Let me know

Thanks in advance

Arin

yurtle · 02-24-2013, 06:43 AM

Disclaimer:
I don't have a resister cart, and haven't spent much time studying them, but they seem to work similarly to other things I do in my garage to limit power.

The coils are actually resistors. Think of them like heating elements on your stove. They convert electrical power into heat.

If you connect resisters in parallel, you end up with lower resistance. It's a somewhat complicated formula, but if both resistances are the same, your resistance is half.

If you do this, you'll be defeating the coil's ability to dissipate heat alright, and I assume each step on the throttle will be faster, so I'm guessing you'd go faster than you might like on low ends.

JohnnieB · 02-24-2013, 07:30 AM

Converting it to a controller cart might be the best answer is it is going to be used it tall grass.
http://www.cartsunlimited.net/Scotty...rsion_Kit.html

yurtle · 02-24-2013, 07:38 AM

Plus I'd guess you'd get much longer run times if you do a lot of slow driving.

BumbleBee · 02-25-2013, 12:43 AM

Thanks guys.

Johnny B I want to convert it over, but due to the budget and the time restrictions, I will have to run it as it is until it's given to him then I will go the route. I thought this was going to be the only route but I thought I would ask since I had the stuff laying here and I could use it quickly.

thanks again!

Arin

Gonkulor · 02-25-2013, 11:50 AM

What a great Dad!

I agree with JohnnieB. Convert it with Scottyb's stuff. You will not go wrong.

02-23-2013, 02:20 PM	#1
BumbleBee Gone Wild Join Date: Apr 2010 Location: Latonia KY Posts: 604	Resistor cart coil question Hey guys! I just picked up an 89 Marathon resistor cart for my son. I am fixing it up for this 16th birthday to drive around until he gets his full license, and keep him off of mine! (ha ha) I will be starting on the build This week and will get pics and start a thread when I get something to show. Here's my off the wall question..... I have heard of the heat issues that the coils have and was wondering If I double up the coils would that resist the heat? What I mean is I got 2 sets of coils with this cart. if I put both sets on hooking them up parallel, would this cut the heat or just slow the cart down? I know if you run longer coils it would, and that's not the goal. My son will be using this as a hunting buggy and was trying to keep the heat down. since he will be in tall grass. Is this a feasible idea or am I just worrying about nothing? Let me know Thanks in advance Arin

02-24-2013, 06:43 AM	#2
yurtle Gone Mad Join Date: Oct 2009 Location: Buford, GA Posts: 8,988	Re: Resistor cart coil question Disclaimer: I don't have a resister cart, and haven't spent much time studying them, but they seem to work similarly to other things I do in my garage to limit power. The coils are actually resistors. Think of them like heating elements on your stove. They convert electrical power into heat. If you connect resisters in parallel, you end up with lower resistance. It's a somewhat complicated formula, but if both resistances are the same, your resistance is half. If you do this, you'll be defeating the coil's ability to dissipate heat alright, and I assume each step on the throttle will be faster, so I'm guessing you'd go faster than you might like on low ends.

02-24-2013, 07:30 AM	#3
JohnnieB Techno-Nerd Join Date: Jun 2011 Location: West Virginia Posts: 19,654	Re: Resistor cart coil question Converting it to a controller cart might be the best answer is it is going to be used it tall grass. http://www.cartsunlimited.net/Scotty...rsion_Kit.html

02-24-2013, 07:38 AM	#4
yurtle Gone Mad Join Date: Oct 2009 Location: Buford, GA Posts: 8,988	Re: Resistor cart coil question Plus I'd guess you'd get much longer run times if you do a lot of slow driving.

02-25-2013, 12:43 AM	#5
BumbleBee Gone Wild Join Date: Apr 2010 Location: Latonia KY Posts: 604	Re: Resistor cart coil question Thanks guys. Johnny B I want to convert it over, but due to the budget and the time restrictions, I will have to run it as it is until it's given to him then I will go the route. I thought this was going to be the only route but I thought I would ask since I had the stuff laying here and I could use it quickly. thanks again! Arin

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02-25-2013, 11:50 AM	#6
Gonkulor Astronautilator Join Date: Sep 2011 Location: North Idaho Posts: 1,494	Re: Resistor cart coil question What a great Dad! I agree with JohnnieB. Convert it with Scottyb's stuff. You will not go wrong.

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