2 Speed gearbox issues  
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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC On Road Nitro Cars >> 2 Speed gearbox issues
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2 Speed gearbox issues - 6/11/2008 11:49:41 PM   
Spetz


 

Posts: 1355
Joined: 9/7/2007
From: , CYPRUS
Status: offline 		My two speed gearbox is having issues
It upshifts and downshifts somewhat ratically
ie, when I floor it, it goes to shift into 2nd, then goes back into first, then 2nd, 1st etc as I can hear the engine revs going up/down a few times and then finally it stays in 2nd

I've adjusted it as I originally thought it engaged too late and if I loosened it, it would help but it didn't, it just does the same thing but at lower revs

Anyone have any ideas?
It's for a Tamiya TGX btw
       Post #: 1

RE: 2 Speed gearbox issues - 6/12/2008 12:02:55 AM   
GYNAIKAS



Posts: 3610
Joined: 9/14/2006
From: Athens/Patras, GREECE
Status: offline 		I believe that it has to do with the transmission "clutch"

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I simply love perfection...do something as good as you can or don't do it at all...

(in reply to Spetz)
       Post #: 2

RE: 2 Speed gearbox issues - 6/12/2008 7:57:09 AM   
Osirisf16



Posts: 2615
Joined: 6/10/2007
From: Paphos, CYPRUS
Status: offline 		The transmission clutch and the 2nd spur gear (from inside). You must disassembe buddy Good luck

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Kyosho Evolva M3 - OS VZR / Kyosho MP777 SP1 - OS Vspec / Hyper 8 - OS Vspec / Baja 5b
I CAN FLY, WHAT EVER THAT MEANS.

(in reply to GYNAIKAS)
       Post #: 3

RE: 2 Speed gearbox issues - 6/12/2008 11:08:42 AM   
Spetz


 

Posts: 1355
Joined: 9/7/2007
From: , CYPRUS
Status: offline 		I checked it all out, it looks fine
The clutch is not worn at all
All screws are tight etc
And clutchbell is clean inside

(in reply to Osirisf16)
       Post #: 4

RE: 2 Speed gearbox issues - 6/12/2008 11:28:39 AM   
Osirisf16



Posts: 2615
Joined: 6/10/2007
From: Paphos, CYPRUS
Status: offline 		Maybe something is binding the movements. Or the springs inside the transmission clutch are worned out.

_____________________________

Kyosho Evolva M3 - OS VZR / Kyosho MP777 SP1 - OS Vspec / Hyper 8 - OS Vspec / Baja 5b
I CAN FLY, WHAT EVER THAT MEANS.

(in reply to Spetz)
       Post #: 5

RE: 2 Speed gearbox issues - 6/12/2008 11:30:57 AM   
pollapellos


 

Posts: 261
Joined: 1/27/2008
From: nicosia, CYPRUS
Status: offline 		spetz is your car ready? i can come there this weekend

(in reply to Osirisf16)
       Post #: 6

RE: 2 Speed gearbox issues - 6/12/2008 12:51:55 PM   
Spetz


 

Posts: 1355
Joined: 9/7/2007
From: , CYPRUS
Status: offline 		My car re is always having issues
I am trying to get it fixed but every time I run it, something else goes wrong
We can still go for a run on the weekend if you want though

(in reply to pollapellos)
       Post #: 7

RE: 2 Speed gearbox issues - 6/12/2008 1:44:27 PM   
pollapellos


 

Posts: 261
Joined: 1/27/2008
From: nicosia, CYPRUS
Status: offline 		ok mate..mine also has some issues but who cares..we may give a shot

(in reply to Spetz)
       Post #: 8

RE: 2 Speed gearbox issues - 6/12/2008 5:10:31 PM   
Spetz


 

Posts: 1355
Joined: 9/7/2007
From: , CYPRUS
Status: offline 		Ok re I'll try and get at least some of the issues fixed and hopefully if it runs properly we can run it on the weekend

(in reply to pollapellos)
       Post #: 9

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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC On Road Nitro Cars >> 2 Speed gearbox issues
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