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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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03-08-2016, 09:38 PM | #1 |
Getting Wild
Join Date: Mar 2012
Posts: 149
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How hot should a motor get?
Ran my cart for the first time with a load on it with the new 500A controller, hilly terrain for a small portion, wide open for about 30-45 min and motor was just barely too hot too keep my hand on it longer than maybe 10-20 seconds. controller never felt warm but the motor did so was curious how hot average operating external temp was. thanks
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03-08-2016, 09:47 PM | #2 |
Stay thirsty my friends!
Join Date: Jan 2007
Location: Suburban Chicago
Posts: 24,283
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Re: How hot should a motor get?
By your description I'm gonna say it was about 120 degrees which is fine.
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03-08-2016, 10:03 PM | #3 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,356
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Re: How hot should a motor get?
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03-08-2016, 10:30 PM | #4 |
Gone Wild
Join Date: Aug 2011
Location: Parrish, FL
Posts: 385
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Re: How hot should a motor get?
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03-09-2016, 01:24 AM | #5 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,356
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Re: How hot should a motor get?
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03-09-2016, 06:56 AM | #6 |
Stay thirsty my friends!
Join Date: Jan 2007
Location: Suburban Chicago
Posts: 24,283
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Re: How hot should a motor get?
Hey, I was guessing, LOL.
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03-09-2016, 07:58 AM | #7 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,356
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Re: How hot should a motor get?
Technically an outer case temp of 230º is acceptable and you should be able to hold your working hand on that for the count of 4 or 5
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03-09-2016, 08:11 AM | #8 |
Gone Wild
Join Date: Jun 2014
Location: Brandon MS
Posts: 309
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Re: How hot should a motor get?
HF sells an inexpensive infrared heat gun.
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03-09-2016, 09:11 AM | #9 |
Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,119
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Re: How hot should a motor get?
If you can hold your hand on it for even 5 seconds it's not too hot. I have an IR thermometer that I use. These motors do get hot and you have to be careful when you upgrade to a higher current controller. I cooked my stock motor with mine and I had it dialed to 400A max. I now have a D&D motor and I am being more careful with it. The place to check the temp is near where the armature wires connect. That is the end where the heat is generated the most. Some stock motors have fairly small brushes and are not intended to run at more than 300A.
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03-09-2016, 09:19 AM | #10 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,356
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Re: How hot should a motor get?
Amp draw varies so much with motor and tire, terrain, load. Some motor designs are better suited to certain applications and some are just designed to run more efficiently, drawing less amperage, creating less heat.
The infrared HF gun is a great tool for determining if your set up is running okay or on the brink of disaster |
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