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Team Associated’s B5M 3-Gear Tranny

3-Gear Transmission for the B5M
It seems as thought the new evolution to mid-motor cars is the 3 gear tranny. When mid-motor first hit the scene, the rage was out of control as all the manufacturers were rushing to get the cars in production. One of the things that was left behind in the process was the 3 gear transmission. At the time, rumors said that 4 gear transmission had slower roll-on acceleration which gave the feel of “more traction”. Now, the idea is that less rotating mass provides better drive efficiency and lighter weight provides quicker acceleration. Both ideas make sense, but for me…. I always wondered why they just didn’t flip the motor plate over and just make a 3 gear transmission mold when mid-motor was being developed. When mid-motor was at its’ infancy, perhaps testing proved that the 4 gear transmission was a better solution. Now, with a few years under its’ belt it seems as if the industry has turned full circle and we are back to the 3 gear transmission!

Below is the press release from Team Associated on their new product!

Team Associated’s new B5M 3-gear transmission provides the spec class racer with a lightweight/low rotating mass option to improve drivetrain efficiency. It also features a new, smaller, lightweight top shaft which uses smaller diameter bearings (5x10x4mm, #91560) for additional weight savings. The 3-gear transmission is also a great tuning aid for modified class racing on high-grip tracks because the gyroscopic effect of the motor is reversed, making the car stay flatter in the corners.

The 3-gear transmission for the RC10B5M requires the #91606 top shaft, #91607 gear box, #91604 gear cover, and either the #91602 black or #91603 blue motor plate, all shown below.

3-Gear Transmission for the B5M (3)
#91602
FT Front Motor Plate, black, 3 gear
Available Nov. 2014

 

3-Gear Transmission for the B5M (4)
#91603
FT Front Motor Plate, blue, 3 gear
Available Nov. 2014

 

3-Gear Transmission for the B5M (5)
#91604
B5M Gear Cover, 3 gear
Available Nov. 2014

 

3-Gear Transmission for the B5M (6)
#91606
FT Aluminum Top Shaft, B5M, 3 gear
Available Nov. 2014

 

3-Gear Transmission for the B5M (2)
#91607
B5M Gearbox, 3 gear
Available Nov. 2014

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