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03-10-2014, 10:11 AM
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#21 |
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Gone Wild
Join Date: Jan 2014
Location: FL
Posts: 294
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Got it. Thanks
Sent from my iPhone using Tapatalk |
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03-19-2014, 04:52 PM
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#22 |
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Not Yet Wild
Join Date: Mar 2014
Location: near dallas tx
Posts: 68
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Re: 48 Volt TXT PDS conversion-WOW!
what motor you using?
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03-19-2014, 05:12 PM
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#23 | |
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Gone Wild
Join Date: Jan 2014
Location: FL
Posts: 294
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Re: 48 Volt TXT PDS conversion-WOW!
Quote:
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04-06-2014, 09:08 PM
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#24 |
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Gone Wild
Join Date: Jan 2014
Location: FL
Posts: 294
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Re: 48 Volt TXT PDS conversion-WOW!
Just changed out a hub, bearing and races that was wobbling on me. Vmax is now 31 MPH!
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04-07-2014, 08:56 AM
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#25 | |
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Techno-Nerd
 Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: 48 Volt TXT PDS conversion-WOW!
Quote:
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04-07-2014, 09:01 AM
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#26 | |
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Gone Wild
Join Date: Jan 2014
Location: FL
Posts: 294
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Quote:
What do you think the safe upper RPM limit would be on the stock motor? Sent from my iPhone using Tapatalk |
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04-07-2014, 09:23 AM
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#27 |
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Gone Wild
Join Date: Sep 2012
Location: Savannah, GA
Posts: 2,760
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Re: 48 Volt TXT PDS conversion-WOW!
6649 rpm
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04-07-2014, 09:41 AM
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#28 | |
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Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: 48 Volt TXT PDS conversion-WOW!
Quote:
Of course, it also depends on the condition of the bearings and how well the armature is balanced, and I'd try to stay below 7k. (32.7MPH on 19.5" tires) The max recommended RPM on my D&D motor is 6.5k, but I go over that occasionally. I'm installing a tachometer driven off the speed sensor and setting the shift light at 6,500 so it will flash at me when I go over that RPM. That will also tell me how fast I am going when I don't have a GPS with me. If a speedometer is installed, the opposite can be done using a table that shows RPM vs MPH instead of MPH vs RPM. |
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04-07-2014, 09:46 AM
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#29 |
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Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,408
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Re: 48 Volt TXT PDS conversion-WOW!
More than 50% of the time when the motor goes out from over revving it takes the controller out with it. 30 mph is too fast for a stock motor. In my opinion you are asking for trouble.
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04-07-2014, 10:00 AM
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#30 | |
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Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: 48 Volt TXT PDS conversion-WOW!
Quote:
However, 30 MPH on stock height tires (Carlisle Links = 17.4") is 7200RPM. |
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