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OckyM

Upgrading the motor for a TT-02B

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I'm an entry-level hobbiest, with a TT-02B chassis (Plasma Edge). What is the best motor I can upgrade to, without having to change any of the gears or bearings?

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I assume you have the TBLE-02S ESC that came with the kit? If so, then a 13.5T brushless motor is a good start. A couple of things though 

The rear diff will start clicking. It will eventually with the kit motor too. There are many options to fix it, GPM make gears, the DF02 diffs fit. If you go to brushless upgrade the rear diff, if you sray with the kit motor run the kit diffs. Kit diffs are a few dollars each so youcan just keep replacing them as they work well, until they don't. 

You need a bigger pinion to get the most out of a brushless motor. 19T made a big difference compared to 17T and I got the 19T from the gear bag with the DF02 diffs. You can probably run 20T or 21T with a 13.5T though.

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7 hours ago, OckyM said:

...without having to change any of the gears or bearings?

I must admit that you have me worried there. Did you build it using ball bearings? Or did you use the plastic bushings included in the kit?

If the former, this should not need changing irrespective of your motor choice. If the latter however, you should really be fitting ball bearings even with the kit motor as the stock bushings cause undue wear to your shafts as well as robbing the car of performance.

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With dirt added to nylon bushings, they become sandpaper.   They wear down on metal shafts.  Later when you put real ball bearings, they will be just as loose because the shaft got thinner.  Also, ball bearings improve speed 20% and endurance 15%.  That alone is as good as mild motor upgrade.   

And I also recommend 13.5t sensored brushless,  If you've got TBLE-02S, I'd say that's the best setting.  

 

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One more question:

I've put a Tamiya 300053697 Super Stock Motor Rz into my TT-02B chassis. Should I change the pinion? It's currently the kit pinion (17T).

Thanks

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I would change the kit pinion anyway to a steel one. The kit aluminium ones tend to turn into cream cheese especially with hotter motors. I will leave pinion size to others who know better 🧐

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I am using a gool RC brushless combo for my neo scorcher 

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F293415611032

£30  

you are then set up for a lipo battery and 50mph

you will need a deans to tamiya battery connector 
 

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F113854316742
 

and then make sure your tyres are superglued to the rim as the speed makes them try and escape

I’d fit bearings - V cheap anyway 

then I’d look at running it until the gears start failing then replace with metal ;)

JJ

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