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03-01-2011, 11:50 AM | #1 |
Rock Stacker Join Date: Aug 2007 Location: in a house
Posts: 92
| xl-5 esc with a lipo battery help
i have a xl-5 waterproof esc on my scaler and dont have much room to run a big battery, so i want to run a lipo but the xl-5 can not run a lipo so i was wondering is there any way i can run a lipo with the xl-5 esc.
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03-01-2011, 12:42 PM | #2 |
RCC Addict Join Date: Oct 2008 Location: Tyler, TX
Posts: 1,619
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You have to install an external low voltage disconnect (LVC) for it to work. Of course you will have to waterproof that as well. Novak makes some as do others. http://www3.towerhobbies.com/cgi-bin...C/b%3E+cut-off |
03-01-2011, 02:45 PM | #3 |
Rock Stacker Join Date: Aug 2007 Location: in a house
Posts: 92
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Ok what would be the best way to waterproof the lvc
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03-01-2011, 02:47 PM | #4 |
Rock Crawler Join Date: Aug 2009 Location: I'm a michigan boy can you feel that!
Posts: 577
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this is posted as the XL-5 specs on Tower.... COMMENTS: **Not compatible with the Novak #5470 2C LiPo Cut-Off Module.** |
03-01-2011, 03:12 PM | #5 |
Rock Crawler Join Date: May 2009 Location: 354
Posts: 670
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i don't think that a LVC will work for an XL-5, however a lipo alarm will |
03-01-2011, 03:25 PM | #6 |
I wanna be Dave Join Date: Oct 2006 Location: Centered
Posts: 2,082
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The latest version of the XL5 has LVC and handles up to 3s. Model number TRA3018R This model has a blue label on it versus the white label of the non-LVC model and it also says Low Voltage Detection on it. Perhaps sell yours and replace it with the updated model? |
03-02-2011, 06:42 PM | #7 |
Rock Stacker Join Date: Aug 2007 Location: in a house
Posts: 92
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so is there one that will work or do i sell the xl-5 and get a different speed controller that is water proof.
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03-02-2011, 06:52 PM | #8 |
Quarry Creeper Join Date: Sep 2008 Location: So.Orange County
Posts: 266
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Does yours have the white label or the blue label on it? Creepycrawl is correct. |
03-02-2011, 07:22 PM | #9 |
Rock Stacker Join Date: Aug 2007 Location: in a house
Posts: 92
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03-02-2011, 11:47 PM | #10 |
Rock Stacker Join Date: Aug 2007 Location: in a house
Posts: 92
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03-03-2011, 03:50 AM | #11 |
Rock Stacker Join Date: Feb 2011 Location: montreal
Posts: 83
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i run a lipo on my xl5 whitout cut off ...you dont need it ... you see you loose power when the lipo is dischage at this step you stop playing and recharge your lipo ......of course if continue playing you smoke your baterie ...
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03-03-2011, 08:37 AM | #12 | |
RCC Addict Join Date: Oct 2008 Location: Tyler, TX
Posts: 1,619
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Where do you see this because Traxxas doesn't have it in there specs and neither does anywhere else I can find. http://traxxas.com/products/parts/escs/xl5waterprooflvd | |
03-03-2011, 09:01 AM | #13 | |
I wanna be Dave Join Date: Oct 2006 Location: Centered
Posts: 2,082
| Quote:
3018X: http://traxxas.com/products/parts/escs/xl5waterproof 3018R: http://traxxas.com/products/parts/escs/xl5waterprooflvd This speedo is showing up in all the XL5 equipped trucks so I would expect that it will be available seperately very soon. EDIT: I would guess that it will most likely be a running change and the non-LVC XL5 will be phased out, rather than be available as a seperate component. Last edited by CreepyCrawl; 03-03-2011 at 09:10 AM. | |
03-04-2011, 09:19 AM | #14 |
Newbie Join Date: Nov 2009 Location: somerville
Posts: 20
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Does the lvc actually work on 3s? I know the old ones will handle 3s but I thought the new ones only had a lvc setup for 2s.
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03-04-2011, 01:24 PM | #15 |
Rock Stacker Join Date: Sep 2010 Location: Earth
Posts: 62
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a main hobbies has the newer xl-5 with low voltage detection available as a single component. http://www.amainhobbies.com/product_...tage-Detection |
03-04-2011, 04:58 PM | #16 | |
I wanna be Dave Join Date: Oct 2006 Location: Centered
Posts: 2,082
| Quote:
There's one in stock at my local shop; I'll check the specs on the box tomorrow while I'm there. | |
03-06-2011, 10:41 PM | #17 |
I wanna be Dave Join Date: Oct 2006 Location: Centered
Posts: 2,082
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XL5 was out of stock when I went back, but I did find some info on the Traxxas forum. A Traxxas rep posted some info and it appears that the new version uses the same firmware as the VXL 3s ESC which means 3s compatibility I also read that the cut off is set at 3.2 volts per cell. Here's the post: Latest XL-5 ESCs DO have Low Voltage Detection (LVD), and it works just like the LVD in our Velineon speed controls. The question is: does YOUR XL-5 have LVD? If the front edge of the ESC case's decal says "Low Voltage detection, then YES, it does. If it DOESN'T say it, then it DOESN'T have it. See post above. (Thanks, Fatboy) From the Velineon manual, XL-5 works the same way: Low-Voltage Detection Setting The Velineon VXL-3s electronic speed control is equipped with built-in Low-Voltage Detection. The Low-Voltage Detection circuitry constantly monitors the battery voltage. When the battery voltage begins to reach the minimum recommended discharge voltage threshold for LiPo battery packs, the VXL-3s will limit the power output to 50% throttle. When the battery voltage attempts to fall below the minimum threshold, the VXL-3s will shut down all motor output. The LED on the speed control will slowly blink red, indicating a low voltage shutdown. The VXL-3s will stay in this mode until a fully charged battery is connected. Your model includes a Power Cell NiMH battery. The VXL-3s speed control’s Low Voltage Detection has been disabled for best performance with this battery. The speed control’s LED will glow red when it is turned on, indicating Low Voltage Detection is disabled. Be certain to activate Low- Voltage Detection if you install LiPo batteries in your model. Never use LiPo batteries while Low-Voltage Detection is disabled. Verify that Low-Voltage Detection is DISABLED: 1. Turn on the transmitter (with the throttle at neutral). 2. Connect a fully charged battery pack to the VXL-3s. 3. Press and release the EZ-Set button to turn the VXL-3s on. If the LED is solid red, then the Low-Voltage Detection is DISABLED (not safe to use LiPo batteries). If the LED is solid green, then Low-Voltage Detection is ACTIVATED. To activate Low-Voltage Detection (LiPo setting): 1. Make sure the LED on the VXL-3s is on and red. 2. Press and hold the EZ-Set button for ten seconds. The LED will turn off and then light green. Also, a “rising” musical tone will be emitted from the motor. 3. Low-Voltage Detection is now ACTIVATED. To disable Low-Voltage Detection (NiMH setting): 1. Make sure the LED on the VXL-3s is on and green. 2. Press and hold the EZ-Set button for ten seconds. The LED will turn off and then light red. Also, a “falling” musical tone will be emitted from the motor. 3. Low-Voltage Detection is now DISABLED. |
03-07-2011, 07:24 AM | #18 |
RCC Addict Join Date: Oct 2008 Location: Tyler, TX
Posts: 1,619
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It takes more than firmware to be 3s compatible though. The FET's have to be able to handle the voltage for it to work. That's hardware and no amount of programming can get you around it.
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03-07-2011, 07:40 AM | #19 | |
I wanna be Dave Join Date: Oct 2006 Location: Centered
Posts: 2,082
| Quote:
Considering the difference in size between the two, I think a phone call to Traxxas tech to verify is in order. EDIT: Just got off the phone with John at Traxxas support. The new XL5 with LVC is only rated for 2s Lipo/8 cell NiMH...max of 9.6 volts. Drag Last edited by CreepyCrawl; 03-07-2011 at 09:12 AM. | |
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