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TOPIC: 50012 PINION GEAR SET FOR RS-380 MOTOR

50012 PINION GEAR SET FOR RS-380 MOTOR 1 week 2 days ago #56239

Hi does anyone know what pitch or if the 50012 PINION GEAR SET FOR RS-380 MOTOR is a 08 module if not does anyone know where I can find something similar to 08 for a 380 motor.please.
Any pointers will be apreciated.

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50012 PINION GEAR SET FOR RS-380 MOTOR 1 week 1 day ago #56244

If I remember right, the 380 pinions have a 2mm bore and a 0.5 mod pitch. I got mine from Robinson Racing .

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Last edit: by blakbird.

50012 PINION GEAR SET FOR RS-380 MOTOR 1 week 1 day ago #56245

Ok cool. It's the right size bore for what I need but the wrong mod. I need a 08. 12t/13t/ or 14t.
Any suggestions?

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50012 PINION GEAR SET FOR RS-380 MOTOR 1 week 1 day ago #56246

Idontunderstand wrote: Ok cool. It's the right size bore for what I need but the wrong mod. I need a 08. 12t/13t/ or 14t.

Are you absolutely sure you need 08 mod? Those teeth are way too big for a 380 motor. Looking at the picture of pinion 50012 compared with the 2mm bore diameter, those don't look like 08 mod teeth.

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50012 PINION GEAR SET FOR RS-380 MOTOR 1 week 1 day ago #56248

It might sound a bit obscure but I am trying to fit a 390 in a re re holiday buggy. And the stock 10th is to small.

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50012 PINION GEAR SET FOR RS-380 MOTOR 1 week 1 day ago #56249

Idontunderstand wrote: It might sound a bit obscure but I am trying to fit a 390 in a re re holiday buggy. And the stock 10th is to small.


Assuming a 390 is just a longer/higher torque version of a 380, I'd guess all other dimensions are the same, so you'd need the H1 & H3 adaptor parts that come on the Holiday buggy H sprue (19005989) used to fit the stock 380 motor.

Further assuming your new pinion is the same as the stock, pressed on 10T/0.8 mod pinion & the 390 motor shaft is the same dimension as the 380, the usual fix is a short length of 1/8" brass tube used as a spacer :)

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50012 PINION GEAR SET FOR RS-380 MOTOR 1 week 17 hours ago #56254

It's just longer but seems to need a couple extra teat on the pinion. I would keep the 10 on but it's revving it's nuts off with no real distance covered.

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50012 PINION GEAR SET FOR RS-380 MOTOR 1 week 17 hours ago #56255

Idontunderstand wrote: It's just longer but seems to need a couple extra teat on the pinion. I would keep the 10 on but it's revving it's nuts off with no real distance covered.


OK I see what you mean ... if you really want to stick with the 390 then I think you'd need to look at making at least one of the holes on the spur gear side of the gearbox (part A1) into a curved slot so you can determine the gear mesh yourself, a la more competition oriented cars.

Not something I'd do myself, when there is an easy upgrade route (17T pinion & silvercan, Torque Tuned or Sport Tuned motor etc).

:)

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50012 PINION GEAR SET FOR RS-380 MOTOR 1 week 5 hours ago #56259

I use a silver can with a 17t at the moment and needed something a little less tail happy for my son as it becomes abit pendulus due to its short wheel base. I did have a 21t in it but it kept lifting the front to much after I tweeked the timing.

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Last edit: by Idontunderstand.
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