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R/C Tech Forums Thread Wiki: Motiv RC
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NEW FOR 2017 - MC2!

MOTIV M-Code motors, now MC2 for 2017, come pre-set to perform well in most applications. Each MOTIV M-Code motor comes with a specification check list specific to that individual motor. All MOTIV M-Code spec motors come standard with the new "S-HIGH" rotor. If you prefer a different rotor, please send an email via the "Contact Us" page on the Motiv site and reference your order.

Motiv dealers in the U.S. that have received MC2s are:

ProLevel RC
Fordham Hobbies
Lefthander RC
TQ RC Racing
Activ RC
Gripworks RC
Stormer Hobbies
AMain Hobbies
NorCal Hobbies

& More - Check your local hobby shop!

“Defy” Series Pro Li-Po battery weights

“Shorty” 2 Cell, 7.4v, 5000mah, 65c+ - 215 grams
“Thin Shorty” 2 Cell, 7.4v, 3900mah, 65c+ - 159 grams
2 Cell, 7.4v, 5000mah, 60c+ - 258 grams
2 Cell, 7.4v, 6000mah, 90c+ - 311 grams

Following are some suggested starting points for the MC2 line of motors for each class (we will update/add to this as often as possible). One key piece to pay attention to when adjusting your motor is Amp Draw. Try to keep spec motors around 3.0.

25.5 F1
FDR: 2.9-3.2
Timing: 42-45* measured on Motolyser
Rotor: 12.3mm standard
Fan: Yes

25.5 USVTA
FDR: 3.6-3.9
Timing: 44-46* measured on Motolyser
Rotor: 12.3mm standard
Fan: Yes

21.5 USGT
FDR: 3.9-4.1
Timing: 46-48* measured on Motolyser
Rotor: S-HIGH
Fan: Yes

17.5 TC (Indoor/Small-Std. size Tracks)
FDR: 4.1-4.4
Timing: 46-48* measured on Motolyser
Rotor: S-HIGH
Fan: Yes

17.5 TC (Outdoor/Larger Tracks)
FDR: 3.8-4.0
Timing: 46-48* measured on Motolyser
Rotor: S-HIGH
Fan: Yes

17.5 1/12
Rollout: 83-85mm
Timing: 44-46* measured on Motolyser
Rotor: S-MID
Fan: No

13.5 TC (Indoor/Small-Std. size Tracks)
FDR: 4.7-4.9
Timing: 46-48* measured on Motolyser
Rotor: S-HIGH
Fan: Yes

13.5 TC (Outdoor/Larger Tracks)
FDR: 4.4-4.6
Timing: 46-48* measured on Motolyser
Rotor: S-HIGH
Fan: Yes

13.5 1/12
Rollout: 78-80mm
Timing: 44-46* measured on Motolyser
Rotor: S-MID
Fan: No

WGTR
Rollout: 73mm
Timing: 46
Rotor: S-MID for larger tracks. S-HIGH for smaller tracks, or tracks with black carpet.

17.5 2WD Buggy
FDR: 5.85-6.0
Timing: 45-48*
Rotor: S-HIGH
Fan: Yes

17.5 2WD SC & Stadium Truck
FDR: 7.5-7.8
Timing: 45-47*
Rotor: S-HIGH
Fan: Yes

13.5 4WD Buggy
FDR: 7.0-7.2
Timing: 45-47*
Rotor: S-HIGH
Fan: Yes

Following are starting points for Mod motors in the MC1 line

7.5 2WD Buggy
FDR: 10.2
Timing: @ 28*
Rotor: M-MID
Fan: Optional

5.5 TC
FDR: 7.0-7.2
Timing: @ 30*
Rotor: M-HIGH
Fan: Optional

4.5 TC
FDR: 7.6-7.8
Timing: @ 20*
Rotor: M-HIGH
Fan: Optional

Every MOTIV Motor is hand checked, assembled and packaged by a professional in house at our WI, USA office. During this process every motor component must meet MOTIV requirements before assembly and packaging. Included is a specification check list which is filled out on a motor to motor basis all through the testing and assembly process to ensure the quality of our finished product


How its Made: Motiv RC Brushless Motor assembly w/ Paul Lemieux

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Old 03-28-2017, 03:59 PM   #556
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For those wanting a motor

https://www.amainhobbies.com/motiv-m...07052s/p632584
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Old 03-28-2017, 04:49 PM   #557
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darn no 21.5
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Old 03-28-2017, 08:28 PM   #558
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Thanks! I got the last one
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Old 03-28-2017, 10:09 PM   #559
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Saw 2 - 17.5s today for sale at NorCal Hobbies. Don't see them on their web site, probably best to call
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Old 03-29-2017, 06:30 AM   #560
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Best motors
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Old 03-29-2017, 07:39 PM   #561
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2 MC2 17.5 motors left at http://www.gripworksrc.com
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Old 04-01-2017, 08:08 PM   #562
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Active RC has a motiv 17.5 in stock.

https://www.activrc.com/collections/...nt=31114525385
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Old 04-02-2017, 09:53 AM   #563
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I have two, brand new in package 21.5 for sale. Check for sale forum.
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Old 04-03-2017, 05:44 AM   #564
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Originally Posted by big_ads View Post
I spent all weekend testing the 13.5 and 17.5 in 12th and the 17.5 in wgt-r. Ran them back to back with the TSR and they are excellent. Fast laps all were on par with the TSR and the fade seemed to be a little bit less. In 13.5 I actually got .1 faster hot lap than with the TSR so that is encouraging.

Big thanks to Paul for getting a good product that will allow us to compete!
what rollout did you use in you 13.5 1/12
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Old 04-03-2017, 03:25 PM   #565
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On the old 21.5 motiv motors what were u guys gearing them for usgt
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Old 04-03-2017, 03:26 PM   #566
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On the old 21.5 motiv motors what were u guys gearing them for usgt
I would start at 3.8 with 45* timing and work from there based on feel and temps.
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Old 04-03-2017, 03:52 PM   #567
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With what rotor the med or high
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Old 04-03-2017, 07:07 PM   #568
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With what rotor the med or high
s-high rotor I ran it 3.6 45* temps was around 120*
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Old 04-04-2017, 02:59 PM   #569
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Originally Posted by Kevin CBR View Post
I get it with a sedan. But on my F1's, I have run short stacks, been as fast as most and did not need a fan. Why add weight when you don't need it ? I am asking to understand why ? Do these motors run hotter than most others ? Hoping to get input from someone who has run F1's with these new motors to have a better understanding.

Panda
Every single degree the motor parts encounter will hurt braking power and reduce overall output of the motor immediately. The heat soak will reduce the magnetic strength of the rotor over time also. The equation to measure magnetism loss has time and temperature in it. These are small and slow acting forces that can add up over numerous runs. Like someone else said, it's just leaving "free money on the table". Modern R/C cars in most classes are under minimum weight to begin with, or at least can get down to weight easily. The minimal wattage of the fan is easily outdone by the benefits.

I can elaborate for days, let me know if I can be of further use
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Old 04-10-2017, 01:50 PM   #570
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Default spec rotor

Question
All S-high rotor are interchangeable between MC1 and MC2 motor?
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