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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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12-24-2018, 03:43 PM | #11 |
Getting Wild
Join Date: Oct 2015
Location: Florida
Posts: 87
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Re: TXT 48V Travel Range
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12-24-2018, 04:47 PM | #12 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: TXT 48V Travel Range
Quote:
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12-24-2018, 06:50 PM | #13 | |
Getting Wild
Join Date: Oct 2015
Location: Florida
Posts: 87
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Re: TXT 48V Travel Range
Quote:
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12-25-2018, 03:30 PM | #14 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: TXT 48V Travel Range
Going from 22" tall tires to 23" upped the torque loss from 18% to 22% and if the taller tires are lower pressure type, the loss is greater. The more torque loss, the more heat gain.
A motor has a huge thermal mass, so the case temperature lags the armature and field winding temperature by several minutes and 214F is mighty warm for a motor case. Check temp several times after a hard run to get peak reading. FWIW: I use a thermocouple embedded in heat sink compound Ty-wrapped to motor and plugged into a DMM with a Min/Max hold function. |
12-25-2018, 03:58 PM | #15 | |
Getting Wild
Join Date: Oct 2015
Location: Florida
Posts: 87
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Re: TXT 48V Travel Range
Quote:
Funny, I have two Turbo, 95 MPH skis w/Motec ECU's, EGT Probes, etc. Fun stuff. I got bored and now i'm starting with this cart which I am a rookie and know very little. Appreciate the info and support. Isn't there a solid state system available for this cart? |
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12-25-2018, 05:07 PM | #16 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: TXT 48V Travel Range
Quote:
The motor speed controller is solid state. Cart motors (aka traction motors) come in three flavors DC Series, DC Sepex and AC. You have a DC Sepex (Separately Excited) Batteries are typically Deep-Cycle Lead-Acid Wet-Cell, but some people use Deep-Cycle Lead-Acid AGM and the use of Lithium batteries is aborning. |
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12-25-2018, 07:59 PM | #17 | |
Getting Wild
Join Date: Oct 2015
Location: Florida
Posts: 87
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Re: TXT 48V Travel Range
Quote:
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12-31-2018, 01:15 AM | #18 |
Getting Wild
Join Date: Oct 2015
Location: Florida
Posts: 87
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Re: TXT 48V Travel Range
Just bought the Yewy 1200Z battery charger. When charging the pack is it normal to hear the batteries "bubbling"? They are bubbling pretty hard. Don't want to over charge them.
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12-31-2018, 01:54 AM | #19 | |
Gone Wild
Join Date: Nov 2016
Location: near Calgary, AB, Canada
Posts: 1,516
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Re: TXT 48V Travel Range
Quote:
Find attached the some Trojan information which shows you the various charge cycles (bulk charge, absorption charge and finish charge). Finish charge at approx. 64.8 volts and 2 to 6 amps is where you will see the most prolific "gassing". Also refer to Scotty's Battery Break In Recommendations here: http://www.cartsunlimited.net/battery-break-in-.html. He has some very good information here about breaking in and maintaining your batteries. I have also attached a State of Charge chart for your reference. You can measure your "stabilized" voltage and determine the State of Charge using this chart. Welcome to the forum |
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12-31-2018, 10:46 AM | #20 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,215
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Re: TXT 48V Travel Range
BTW.....the gassing or bubbling from the batteries is what causes the battery terminals to get that "nice poofy green gack" on 'em.
Bubble, bubble, toil and trouble. |
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