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03-09-2014, 03:00 PM | #1 |
Pebble Pounder Join Date: Jan 2013 Location: Kentucky
Posts: 101
| LNC Transmission an Pinion Gear Question!
I recently bought my first LNC about a month ago ( completely stock ). I also bought my cousions AX10 ( good parts for a good price! ). The AX10 had a Integy 35T motor on it and I put that on the Night Crawler. It has a lot of torque now with the 20t pinion and all but I was wondering what could I change to make it go faster ( a little more pep to get over the rocks)? Like which gears would I need to change to accomplish more pep?.......Change the pinion gear on the motor or the ones on the outside of the trans???? Thaks For Reading, Murlin |
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03-09-2014, 03:12 PM | #2 |
Rock Crawler Join Date: Sep 2011 Location: Richfield
Posts: 737
| Re: LNC Transmission an Pinion Gear Question!
Your best bet is to bite the bullet and switch to a Sensored Brushless System. There are a few variables as to what motor and pinion, but a good all around set-up would be: 13.5 motor Mamba Max Pro ESC 15T Pinion 3S Battery I've run this combo in many different rigs with an LNC Trans and had great luck. |
03-09-2014, 03:41 PM | #3 |
Quarry Creeper Join Date: Jul 2013 Location: Kronach, Bavaria, Germany
Posts: 275
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What you also can do is the mod... well I call it JENS-mod...( if you look at his build thread you can see it, modifying the middle gear) and change to a 19t pinion. Next is to change to a Sensored BL system... my suggestion: 18.5 Novak Motor with a MMP or tekin RS with the 4S tap and a 3 or 4 cell LiPo:thumbup: Sent with my GT-S5570 using Tapatalk 2 |
03-09-2014, 03:56 PM | #4 | |
Pebble Pounder Join Date: Jan 2013 Location: Kentucky
Posts: 101
| Re: LNC Transmission an Pinion Gear Question! Quote:
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03-12-2014, 01:08 AM | #5 | |
RCC Addict Join Date: Jan 2012 Location: Sweden
Posts: 1,809
| Re: LNC Transmission an Pinion Gear Question! Quote:
The Fx-r is for brushed motors only. You need an ESC able to handle sensored brushless motors and have instant reverse. The two best ESCs fitting the bill are Castle Mamba Max Pro and Tekin RS. As for motor I'd suggest a Holmes Hobbies Revolver S 540, which is a sensored outrunner with lots of torque and butter smooth thanks to the 14 poles. With the increased torque you can use a larger pinion, and if the speed still isn't enough just increase the voltage! | |
03-12-2014, 01:26 AM | #6 | |
Rock Crawler Join Date: Aug 2013 Location: Central Coast
Posts: 570
| Re: LNC Transmission an Pinion Gear Question! Quote:
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03-12-2014, 07:01 AM | #7 | |
Rock Crawler Join Date: Oct 2009 Location: Knoxville
Posts: 626
| Re: LNC Transmission an Pinion Gear Question! Quote:
Not doubting, just disappointed. But glad something better is in the works. | |
03-12-2014, 05:14 PM | #8 |
Rock Crawler Join Date: Aug 2013 Location: Central Coast
Posts: 570
| Re: LNC Transmission an Pinion Gear Question! Yeah, I was about to pull the trigger on a stubby 520 s - glad I tried it before ordering. I don't want to deal with the weight of 4s so the current revolver is not an option for me. I wish I could afford to run revolvers on all my other rigs though - coolest motor I've ever had |
03-12-2014, 07:13 PM | #9 | |
Pebble Pounder Join Date: Jan 2013 Location: Kentucky
Posts: 101
| Re: LNC Transmission an Pinion Gear Question! Quote:
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03-13-2014, 02:14 PM | #10 |
Rock Crawler Join Date: Oct 2011 Location: Great Outdoors
Posts: 651
| Re: LNC Transmission an Pinion Gear Question! Can you post a link to that thread? I know I've seen it, but now can't find it for some reason. thanks
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03-13-2014, 02:30 PM | #11 | |
Rock Crawler Join Date: Oct 2009 Location: Knoxville
Posts: 626
| Re: LNC Transmission an Pinion Gear Question! Quote:
My 2013 Losi Sporty Post #58 I wish he would explain in more detail. If you figure it out, let me know. | |
03-14-2014, 12:54 AM | #12 |
Quarry Creeper Join Date: Dec 2013 Location: San Diego county
Posts: 261
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I run a 18.5 mmp and 20t on 3s. Like it so far
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03-14-2014, 07:27 AM | #13 | ||
RCC Addict Join Date: Jan 2012 Location: Sweden
Posts: 1,809
| Re: LNC Transmission an Pinion Gear Question! Quote:
My 17.5T is 1870 Kv, and running it with a 12T pinion in the LCC (equivalent to a 15T pinion in the LNC) to me feels a wee bit more sluggish than desired on 4S. I can use a considerably larger pinion without losing too much torque or overheating the motor though, reaching the top speed I want, but I don't because my motor is jerky on very low speed. Switching to a Revolver S I could go up in Kv AND gearing, getting more speed, while at the same time have a smoother operation at low speed! The Revolver is supposed to provide so much more torque that gearing up should be no sweat! 3S should get you a long way, when combined with proper gearing. Quote:
Outrunner = Rotor on the outside. Typically inrunners are: Few poles, high Kv, low torque. Outrunners are: Many poles, low Kv, high torque. Revolver S is the only serial production outrunner with sensor. | ||
03-14-2014, 10:43 AM | #14 | |
Rock Crawler Join Date: Jan 2008 Location: NORWAY
Posts: 683
| Re: LNC Transmission an Pinion Gear Question! Quote:
Front gearbox bracket removed,the other two mounts reduced in length and a new side gearbox mount "fabricated" from a servomount The motor-plate is also trimmed a bit | |
03-14-2014, 11:21 AM | #15 | |
Rock Crawler Join Date: Oct 2009 Location: Knoxville
Posts: 626
| Re: LNC Transmission an Pinion Gear Question! Quote:
The problem was that you did such a good job lathing the gear I thought it was a factory part. I was thinking, well where did you get that gear from. Sneaky...you made it! Awesome. I know what I am going to try this weekend. | |
03-14-2014, 11:30 AM | #16 | |
Quarry Creeper Join Date: Dec 2013 Location: San Diego county
Posts: 261
| LNC Transmission an Pinion Gear Question! Quote:
I also think I see this in my future. So if your running the stock center and the motor direct to that, what pinion should be used on the motor? How does the ratio change ? I like the idea of being able to slide the motor closer to center again even if it's slight. I need a chassis and Lcc shocks are gunna be in order for ajust ability Last edited by Liv3mind; 03-14-2014 at 11:34 AM. | |
03-14-2014, 01:04 PM | #17 | |
Rock Crawler Join Date: Jan 2008 Location: NORWAY
Posts: 683
| Re: LNC Transmission an Pinion Gear Question! Quote:
@ Olle P,-correct me if I'm wrong Last edited by JENS; 03-14-2014 at 01:06 PM. | |
03-15-2014, 12:46 AM | #18 | |
Rock Crawler Join Date: Aug 2013 Location: Central Coast
Posts: 570
| Re: LNC Transmission an Pinion Gear Question! Quote:
The obvious trade-off of course is heat. I need to keep my run times shorter with the 17.5, whereas I can run the revolver S all day long, pack after pack, and never overheat. I am hoping the next generation of revolvers will utilize sensor-based timing advance to achieve a greater rpm range. | |
03-17-2014, 04:06 AM | #19 | |
RCC Addict Join Date: Jan 2012 Location: Sweden
Posts: 1,809
| Re: LNC Transmission an Pinion Gear Question! Quote:
- Typically using the same timing on a few pole inrunner and a multi pole outrunner will make more of a difference on the inrunner. (But for my inrunner motor 20 degrees of timing, the MMP maximum, is considered to be "a little".) - With zero physical timing on the sensor the behaviour should be the same in SMART and CHEAT mode, given that the same high speed timing is set. SMART is supposed to work better, because the ESC's electronics can have a hard time keeping up at high sensor speeds. Anyway, I'm now waiting for the Revolver S to come back in stock so I can order one and find out for myself. | |
03-17-2014, 09:48 AM | #20 | ||
Rock Crawler Join Date: Oct 2009 Location: Knoxville
Posts: 626
| Re: LNC Transmission an Pinion Gear Question! Quote:
Quote:
EDIT: I am running a 17.5 motor also. I am definitely not an expert here, but I wouldn't get your hopes up. Mechanically speaking, The more 'poles' a motor has the less it takes to timing advance. The Revolver motors are 14 pole (I think). That is one of the reasons I have stuck so long with the 2 pole motors. Although JENs has changed things alittle with his LNC tranny mod, I think that realm of being able to tune timing is important to get the performance out of them the way Losi tranny hamstrungs us for gearing options. Last edited by dentonmac; 03-17-2014 at 10:05 AM. Reason: Added info. | ||
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