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M05 Differential

PostPosted: Wed Oct 30, 2013 11:30 am
by kayotic
I spent last night stripping down my M05 to give the differential a bit of TLC as I'd never got round to it since I've had the car. However, once I had it apart I discovered one of the shafts that the orbital gears sit on had sheared. :( It was the standard Tamiya kit differential, but as a result of the breakage, I'm in the market for a replacement.

Can anyone offer a view on whether there are any significant performance differences between a gear or ball diff?

What are other people running or feel they could recommend as a replacement?



Re: M05 Differential

PostPosted: Wed Oct 30, 2013 3:21 pm
by taxman
Hi Eddie

Just to let you know my silver M03 is running the standard gear diff,as you know this car is pretty competative, but last race i could feel the diff " diffing out" on some of the tight bends,,I have just finished re building my red mini for this sunday and I am expecting great things from it ,which happens to have a TA03 ball diff fitted which i am hopeing will give more punch out of the bends in the mid section,I will let you know how I get on on sunday,, i take it your still stuck with the relatives this sunday?

Kind Regards

Re: M05 Differential

PostPosted: Wed Oct 30, 2013 4:39 pm
by dis96
When I switched to the brushless class at Eastbourne, I was allowed to use the 3 racing oil filled diff, until then in brushed i had stuck to the standard tamiya diff. I had kept away from the ball diff as i didn't want to keep rebuilding it and i wanted a consistent feel too.

The standard diff was fine, but once the diff grease has moved away from the gears or escaped from the gear altogether i was back to rebuilding to get it stiff enough to give good drive out of the corners. With the oil filled diff it is all changed, once the diff oil is installed, it doesn't go anyway and from week to week feels the same on and off the track. It has the ability to run much thicker oil than the grease you can get in the standard diff, and you don't need to tighten it up to get a stiff diff that still has a diff action.

So I say, as you are running M05 and you need a new diff, go for an oil diff, slightly more expensive but set and forget, fingers crossed, haven't had to replace the gears in around 30 meetings so far.

Re: M05 Differential

PostPosted: Fri Nov 01, 2013 3:18 pm
by crazybrit123
I have run the oil filled diff for a while now. It's one of the best things you can do to make your car consistent.
I have a brand new one still in its box if you need one and if you need new drive shafts I have them as well, I think.
If you want to stick with the Tamiya diff, I have one of those in the box. It's the one that came out when the oil one went in.
Just ask for Andy. I should be there this Sunday all being well.
Cheers Andy.

Re: M05 Differential

PostPosted: Sun Nov 03, 2013 10:36 pm
by kayotic
Thanks for you input gents.

I settled upon a Spec-R oil-filled diff from pit-bitz. I've assembled it with 10,000wt oil. My initial impressions are that its is not too loose and way, way smoother that the kit diff it replaces (although that could be down to the broken spur shaft). Unfortunately I wasn't able to come out and play this morning, but my initial "test" runs round my office give the impression of it being much quieter and that the car has much better traction when accelerating hard.

The proof will be in the pudding when I put it to the test at the next race meet on the 16th.



Re: M05 Differential

PostPosted: Mon Nov 04, 2013 8:01 pm
by taxman

looks like the f2 mini class is getting more competative week by week,I know matts on a mission now trying to get his sweeps setteled in,and it looks like your now sorted as well eddie,cant wait for the next round ,is Ethan racing as well ?