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Tamiya TB04 Pro

Old 07-21-2014, 08:37 PM
  #766  
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Originally Posted by VooDooPH View Post
haven't stripped any gears since i bought the car. i run 12TBL with Life packs (which is a little bit faster than 17.5 blinky on lipo) and race every other Saturday with it. just make sure you shim properly. i also apply a thin coat of tamiya ceramic gears to the tb04's gears (including the diff's main gears)
hi, I already tried my best to shim as properly as I can and uses AW Tamiya grease on the mitre gears. They still strip running hobbywing justock and 8.5T motor with all stock gearing and ratios. I don't race just bash on kinda rough carparks.

I plan to buy just the normal cvd, with all suspension mounts in stock (upgraded to aluminium some Tamiya some Yeah racing). should I get 44mm cvd or 46mm cvd for the front only.

one replied 46mm. I saw tb-03 states 44mm (via google). but see no answer for tb-04. GPM CVD don't tell the length. I worried I buy cannot use.

thanks.
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Old 07-21-2014, 09:48 PM
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Originally Posted by spyder_696 View Post
... 8.5T motor ... I don't race just bash on kinda rough carparks.
Uhm, ok, so we're not comparing apples to apples here. I'm looking at 25.5T racing on smooth, grippy carpet. I have a feeling the gears will hold up much better in those conditions
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Old 07-21-2014, 11:34 PM
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Originally Posted by spyder_696 View Post
I don't race just bash on kinda rough carparks.

should I get 44mm cvd or 46mm cvd for the front only.
does your ESC have reverse? do you mash on the brakes after hitting top speed? if you do, that's probably the reason you keep stripping gears

44mm would be my suggestion.

hths
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Old 07-22-2014, 12:27 AM
  #769  
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Originally Posted by metalnut View Post
Uhm, ok, so we're not comparing apples to apples here. I'm looking at 25.5T racing on smooth, grippy carpet. I have a feeling the gears will hold up much better in those conditions
No problem!

Buy two sets of 51255 evo5 ring gears with 39 teeth. It lowers the FDR (which your going to need for VTA) and bolts on.
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Old 07-22-2014, 07:09 AM
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Originally Posted by VooDooPH View Post
does your ESC have reverse? do you mash on the brakes after hitting top speed? if you do, that's probably the reason you keep stripping gears

44mm would be my suggestion.

hths
Thanks so much on both replies.
Why is it after I release throttle to turn.
Then throttle again there will be some sounds from the gears.
I believe I shim well. Is carbon gear boxes flex lesser.
I believe those uneven surfaces on the car parks wears out my gear. The car park surfaces is really rough. But it's the only place I have.
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Old 07-22-2014, 06:35 PM
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Which gears are people stripping?

1. Bevel gears in side the diff
2. Ring and pinion inside gear box?

Ps: I've never heard of the gears being referred to as miter gears. So it's confusing to me.. Perhaps some others

Last edited by Raman; 07-22-2014 at 08:28 PM.
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Old 07-22-2014, 07:52 PM
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Originally Posted by spyder_696 View Post
Thanks so much on both replies.
Why is it after I release throttle to turn.
Then throttle again there will be some sounds from the gears.
I believe I shim well. Is carbon gear boxes flex lesser.
I believe those uneven surfaces on the car parks wears out my gear. The car park surfaces is really rough. But it's the only place I have.
same question as above... which gears are you stripping? from your post, seems like your stripping the gears inside the gear diff...
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Old 07-22-2014, 10:00 PM
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Miter gears are the gears that intersect at 90*, like these:



I believe the ones that are stripping are the ones on the shaft, if I'm reading the posts correctly.
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Old 07-23-2014, 12:03 AM
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The 'milter' gears are two 20t gears that are next to the spur gear. Basicslly the ones that make the transverse motor layout possible.
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Old 07-23-2014, 08:56 AM
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Originally Posted by VooDooPH View Post
same question as above... which gears are you stripping? from your post, seems like your stripping the gears inside the gear diff...
http://flic.kr/p/ooz2Gs

http://flic.kr/p/oov1mM

Pic of the steel miter gear and all the gears that I have stripped.
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Old 07-23-2014, 10:18 AM
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I learned something new . Miter gears are bevel gears that are 90 degree and 1:1 ratio
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Old 07-23-2014, 10:36 AM
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Originally Posted by Raman View Post
I learned something new . Miter gears are bevel gears that are 90 degree and 1:1 ratio
yes that's correct
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Old 07-23-2014, 11:43 AM
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Originally Posted by spyder_696 View Post
http://flic.kr/p/ooz2Gs

http://flic.kr/p/oov1mM

Pic of the steel miter gear and all the gears that I have stripped.
The ring and pinion gears aren't shimmed correctly. Either the pinion depth is wrong or the ring gear is too far away from the pinion, or both.

Were the steel gears more noisy or less noisy than the plastic ones when they were new?
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Old 07-23-2014, 11:53 AM
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Have you guys tried the carbon reinforced gears (54593) before moving to the metal ones?
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Old 07-23-2014, 12:42 PM
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Originally Posted by metalnut View Post
Have you guys tried the carbon reinforced gears (54593) before moving to the metal ones?
yes I have..it last a little longer than the plastic...I went for the metal..works great..
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