M03 gears will always be louder than a touring car, but there are ways to make the M03 less noisy than other peoples M03.
1. When building the M03 install the spur gear (with small shaft and bearings) into the right hand half of the chassis, try spinning it - does it spin freely? I've noticed that half of the M03 chassis are tweaked, which means the spur gear will hit on the chassis and make a noise.
Either grind away part of the chassis, or grind 1 or 2mm from the spur, now test again, keep grinding spur or chassis until the spur spins freely.
2. Now install the spur gear into the left side of the chassis and check to see if it spins freely - usually it will, it is mainly the right hand half of the chassis that has the problem.
3. Now that your spur gear spins freely repeat steps 1 & 2 but using the long idler gear, grind the idler/chassis until this also spins freely.
Some people say a ball diff is quieter than a gear diff as there is less contact area with the gears.
This should reduce some of the noise and make your drive train spin freely. You can also try using a very light grease, or teflon spray on the gears to reduce noise further.
Hope this helps  |
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