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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 07-07-2016, 03:41 AM   #226
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Quote:
Originally Posted by madness View Post
I have read the above Wiki guide for gearing. I do have a question, my car has a 1.83 final drive ratio which is very different of what most of the cars in the marketplace are using (mostly 1.9 to 2.0). Should I gear the motor to get less RPM and more torque to offset the rather high FDR of my car? I feel the car lacking punch with the current gearing I'm using for a 21.5 motor on a big track (leisure hours). Using a final drive of 3.7.
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Originally Posted by RC Professor View Post
Not sure how gearing influences motor characteristics from one car's internal ratio to another, but a few weeks ago I ran a Motiv 21.5 in touring with a 3.88 final drive and 48* timing with good results. My car has a 1.9 internal gear ratio. This was for a smaller track, and torque seemed fine. So, try getting closer to the high 3.8's in FDR and see how that works.
Agree w/ Professor. I would start out with his suggestion of gearing lower, in the 3.85-3.89 range if possible.
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Old 07-07-2016, 06:08 AM   #227
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how good is your battery if your battery is old you will lack punch get a new battery with 100c and try it again
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Old 07-07-2016, 05:59 PM   #228
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i was reading the wiki above it is says the 17.5 is for a tc or 1/12. is there one that could/should be used for 1/10 2wd buggy?
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Old 07-07-2016, 07:10 PM   #229
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Motiv doesn't have "class" specific motors listed, but utilizing the Contact Us page on the site will allow you to purchase a motor purpose built for what class you desire. In this case, I'd denote the class you plan on running, and ask for an S-High rotor. The timing will then be preset where it would be recommended to run at.
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Old 07-08-2016, 03:36 AM   #230
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Quote:
Originally Posted by rekim View Post
i was reading the wiki above it is says the 17.5 is for a tc or 1/12. is there one that could/should be used for 1/10 2wd buggy?
Quote:
Originally Posted by Dan Hamann View Post
Motiv doesn't have "class" specific motors listed, but utilizing the Contact Us page on the site will allow you to purchase a motor purpose built for what class you desire. In this case, I'd denote the class you plan on running, and ask for an S-High rotor. The timing will then be preset where it would be recommended to run at.
Thanks Dan!

The wiki is just a suggested starting point for the classes that are listed. If a class is not listed, it's just because I don't have info for that class. I'll work on getting that from Paul and others who have run them. Didn't intentionally skip any classes, sorry.
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Old 07-08-2016, 08:39 AM   #231
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The motors work very well in 2wd off-road. I only have a S-mid rotor in mine with timing set around 45 degrees. I can't imagine how much faster I could crash my car, my reflexes are getting slower, if I had a S-high rotor.
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Old 07-08-2016, 08:48 AM   #232
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Quote:
Originally Posted by Kraig View Post
The motors work very well in 2wd off-road. I only have a S-mid rotor in mine with timing set around 45 degrees. I can't imagine how much faster I could crash my car, my reflexes are getting slower, if I had a S-high rotor.
Thanks for the feedback Kraig! We can add this info to the Wikipost. Was this 17.5? What FDR were you running? Did you use a fan?
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Old 07-08-2016, 10:52 AM   #233
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I will let you post it in the wiki where you would like it to show up.

17.5 2wd
FDR: 6.06
Timing: ~45 on the can
Rotor: S-MID
Fan: No
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Old 07-22-2016, 04:10 AM   #234
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Wikipost updated

Paul and team have been working hard... The Motiv shop is fully stocked! Check out http://motivrc.com/store/ for all the latest Motiv products
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Old 07-24-2016, 08:14 PM   #235
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Default motiv battery weight

does anybody know what the battery weight is the motiv 5000mah compaired to the 7200mah ?
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Old 07-24-2016, 10:31 PM   #236
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Do the Motiv motors come with the high strength rotor, or the medium strength?
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Old 07-24-2016, 10:47 PM   #237
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Quote:
Originally Posted by tbrymer View Post
Do the Motiv motors come with the high strength rotor, or the medium strength?
Medium is stock.
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Old 07-25-2016, 06:29 AM   #238
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Do the Motiv motors come with the high strength rotor, or the medium strength?
If you look in the Wiki it explains how you can get the high strength rotor.
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Old 07-25-2016, 07:53 AM   #239
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does anybody know what the battery weight is the motiv 5000mah compaired to the 7200mah ?

5000 Motiv lipo's are 258g.

The 7800 Motiv's are 321g.
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Old 07-25-2016, 10:18 AM   #240
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Originally Posted by Kraig View Post
If you look in the Wiki it explains how you can get the high strength rotor.
I would guess you just purchase it
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