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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 03-15-2017, 10:25 AM   #526
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Wikipost updated with some starting points for the MC2. Also included some shops/websites carrying the MC2. Feel free to update as appropriate.
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Old 03-15-2017, 12:27 PM   #527
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Updated Wiki with video showing how Paul builds motors
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Old 03-15-2017, 03:54 PM   #528
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Forgive me, but what is a wikipost?
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Old 03-15-2017, 04:11 PM   #529
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Quote:
Originally Posted by ChadBlanton View Post
Forgive me, but what is a wikipost?
Look at the top of the page
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Old 03-16-2017, 10:38 PM   #530
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received my 17.5 mc2 today. Haven't ran it but very inpressive workmanship. Also, very quiet motor on the motor analyzer and a 1695 rotor! Not many off-road posts. What is the optimum timing for 17.5 stock buggy on a medium high bite track? Thx
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Old 03-17-2017, 02:01 AM   #531
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Quote:
Originally Posted by JAE View Post
received my 17.5 mc2 today. Haven't ran it but very inpressive workmanship. Also, very quiet motor on the motor analyzer and a 1695 rotor! Not many off-road posts. What is the optimum timing for 17.5 stock buggy on a medium high bite track? Thx
Hey JAE,

Awesome, glad to hear it!

I have some offroad info coming to me from one of our motor builders that was used by our team at the Chi-Town Shootout. I may not have it until Sunday or Monday though.
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Old 03-17-2017, 04:02 AM   #532
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I can shine a little light on the off road side.

I pulled my motor (17.5 MC2) from my 12th scale to use in my 2wd buggy at our
Local carpet off road track

I added just a little endbell timing vs where it was for 12th. So maybe 1.5mm past 40 on the can. Geared it at 31/69 with a WTH fan and ran. Never saw temps over 125* the car was dialed. I could run lap times in the 14.1-14.2 range with the mod guys doing 13.9-14.0.

I would have qualified like 3-4 in mod with my 17.5 time.

I heard more than once from guys on the stand and in the pits " that (crap) just isn't fair". Lol

I sent Paul a text that day from the track to see about availability because I had guys standing in my pit area on the website ready to buy but it showed sold out.

Our carpet track is roughly 100x80.

So I would suggest set timing just past 40 on can start at 30-31/69 with a fan and check temps and go from there should get you in the ballpark.

Hope that helps a little
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Old 03-17-2017, 08:39 AM   #533
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Thanks Anthony!

I just received starting points for 17.5 2WD Buggy, SC and Stadium Truck as well as 13.5 4WD Buggy. Already added this info to the wikipost.

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
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Old 03-17-2017, 04:11 PM   #534
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i tried something alil different last night on my 21.5 mc2 in usgt...I geared it at 3.5 & about 32* on the can & I ran my fastest laps I ever did on that track...I was 10.0 & hit like 3 9.9 back to back temp was around 115*-119* 6-7 minutes
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Old 03-17-2017, 08:00 PM   #535
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Can I please get some recommendations on roll out and timing for 17.5 1/12 with the S-high rotor installed on the new MC2 motor? Medium to large size black carpet track.
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Old 03-17-2017, 08:31 PM   #536
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Why do you recommend a fan on an F1 ? I just got a 25.5 to try for the upcoming MIHC race in April at 5280 Raceway in Denver and was curious as I have never had to run a fan on my F1 before, even with short stack motors.

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Old 03-17-2017, 08:50 PM   #537
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Quote:
Originally Posted by 2kidsrogers View Post
Can I please get some recommendations on roll out and timing for 17.5 1/12 with the S-high rotor installed on the new MC2 motor? Medium to large size black carpet track.
I'd start somewhere in the range of 90-92 for rollout and 44-46* timing on a Motolyser.


Quote:
Originally Posted by Kevin CBR View Post
Why do you recommend a fan on an F1 ? I just got a 25.5 to try for the upcoming MIHC race in April at 5280 Raceway in Denver and was curious as I have never had to run a fan on my F1 before, even with short stack motors.

Panda
Essentially, if you aren't running a fan, you are leaving performance on the table. Who wants to do that!?
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Old 03-17-2017, 09:08 PM   #538
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Quote:
Originally Posted by Dan Hamann View Post
I'd start somewhere in the range of 90-92 for rollout and 44-46* timing on a Motolyser.




Essentially, if you aren't running a fan, you are leaving performance on the table. Who wants to do that!?
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
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Old 03-17-2017, 09:32 PM   #539
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Quote:
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
Unless your motor is coming off at room temp then you will always benefit from a fan being used. As a motor heats up its resistance builds and makes it slow down. The cooler you can keep the motor (any motor) the better it will run the latter part of a race.

EA
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Old 03-17-2017, 09:47 PM   #540
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Originally Posted by EAMotorsports View Post
Unless your motor is coming off at room temp then you will always benefit from a fan being used. As a motor heats up its resistance builds and makes it slow down. The cooler you can keep the motor (any motor) the better it will run the latter part of a race.

EA
I know you have a lot of motor experience EA so I trust your opinion. I am usually coming off not higher than 125-130F on an F1 with no motor fan. Is it worth the adding the weight of the fan and trying to mount on an F1 to get down to 110-115F with a fan ? Thank you !

Panda
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