137LikesTeam Associated RC10 B5m Mid-Motor & Rear Motor Thread
04-22-2024, 12:09 PM - Wikipost
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11-04-2014, 10:14 AM
11-04-2014, 10:18 AM
Just went through my car to try and get it all free and smooth. Resulted in more steering. But the car atill doesnt look like the new B5M cars. I only have changed is white springs in the rear, and 3+1 toe block.
11-04-2014, 10:33 AM
Rotating mass will be negligable IMO. This is simply going to change which direction the motor torques on both acceleration and braking.
4gear on-throttle = weight is transferred to the rear tires creating an on-power push
3gear on-throttle = weight is traferred to the front tires creating on-power steering (less forward traction)
The same opposite affect will be felt with braking. One will put more pressure on the rear tires under braking, and the other will put more pressure on the front tires. Although I haven't thought about it enough to know which does which.
My prediction is that if you run on a high-grip track where forward traction is in abundance, the MM3 will be THEE setup to run.
4gear on-throttle = weight is transferred to the rear tires creating an on-power push
3gear on-throttle = weight is traferred to the front tires creating on-power steering (less forward traction)
The same opposite affect will be felt with braking. One will put more pressure on the rear tires under braking, and the other will put more pressure on the front tires. Although I haven't thought about it enough to know which does which.
My prediction is that if you run on a high-grip track where forward traction is in abundance, the MM3 will be THEE setup to run.
May be an interesting to try on my car. I jump between dirt and carpet over the winter.
Part #: 91606 MSRP: $15.99
FT Aluminum Top Shaft, B5M, 3 gear
Part #: 91602 MSRP: $15.99
FT Front Motor Plate, black, 3 gear
Part #: 91604 MSRP: $3.99
B5M Gear Cover, 3 gear
Part #: 91607 MSRP: $6.99
B5M Gearbox, 3 gear
Total: $42.96
11-04-2014, 10:59 AM
I think you all are going to hate mm3 on anything other than carpet. The b5m just doesn't have enough static weight over the rear to generate traction. You'll have to add a ton more weight to the rear than you'll save by going to the 3 gear to get it to work. I know, as I've had the option to run mm3 on my durango since I bought it three years ago. You guys are late to the party! 
With that said, an mm3 car with enough weight over the rear drives like a dream
With that said, an mm3 car with enough weight over the rear drives like a dream
11-04-2014, 11:07 AM
My MM has plenty of rear bite as is on a med-grip dirt track. The 3 gear will be interesting to see in action. I'm sure the stock guys will be testing is out soon enough.
11-04-2014, 11:40 AM
I think stock guys will hate it the most.
11-04-2014, 11:49 AM
I suppose it'll depend on the track conditions. I could see it working well around here, but we'll see.
11-04-2014, 12:22 PM
the durango MM3 didnt make enough traction to get around the track on outdoor sugar. Maybe the b5 is different but i woudlnt even consider trying it unless i saw the top guys start running it first.
11-04-2014, 12:45 PM
Anyone else find it odd that the RM3 and MM4 gearboxes use the same motor plate, gearcover and topshaft, but the MM3 needs special parts?
11-04-2014, 12:52 PM
11-04-2014, 01:07 PM
*Facepalm* Yep, that would explain the motor plate and gear cover. They are probably identical or nearly identical but mirrored. I still don't understand why the topshaft has a new part number. Are they lengthening it to help center the motor?
11-04-2014, 01:10 PM
It's the aluminum topshaft and it uses the 5mm bearing vs. the standard 6mm. it's all stated in the write-up.
11-04-2014, 01:11 PM
looks like they are going to a smaller bearing to further reduce the rotating mass.
11-04-2014, 02:08 PM
Tech Master
iTrader: (105)
Designers at MIP have to be pisssed they missed the launch of this....
11-04-2014, 02:27 PM
Need some advice. I just purchased a B5 RM and will start to race it as a third class. I got a pair of front arms already, but want to know what other parts I should stock up on.
I was thinking of a wing as well. If so, what wing would you recommend (durable).
Outdoor racing.....
I was thinking of a wing as well. If so, what wing would you recommend (durable).
Outdoor racing.....