Outcast Outcast 6s hardened input gear

strangwooduk

Well-Known Member
Messages
4
Reaction score
0
Location
Blackpool, UK
Arrma RC's
  1. Kraton 8S
  2. Outcast 6s
So now after stripping 2 input gears I'm thinking is there any hardened input gears ?
I've seen the GPM ones but only seen bad reviews about them

Any advice folks ?
 

Synchronicity

No more nitro
Premium Member
Build Thread Contributor
Messages
788
Reaction score
1,165
Location
Canada
Arrma RC's
  1. Kraton 6s
  2. Vorteks
Stock gear is already hardened. Try drilling into it and you'll see. For an upgrade, best you can do AFAIK is the EXB ring/input gear set. Similar steel but larger teeth with more contact area to distribute the applied force.
 

Vulthraxis

Well-Known Member
Messages
57
Reaction score
35
Location
Washington USA
Arrma RC's
  1. Talion
If your going to replace it get a Robinson racing pinion some of the best on the market IMO

If your chewing up pinions check gear mesh and check your grub screws them backing of are number 1 cause of teeth were.
 

strangwooduk

Well-Known Member
Messages
4
Reaction score
0
Location
Blackpool, UK
Arrma RC's
  1. Kraton 8S
  2. Outcast 6s
If your going to replace it get a Robinson racing pinion some of the best on the market IMO

If your chewing up pinions check gear mesh and check your grub screws them backing of are number 1 cause of teeth were.
Is this the same on the rear diff as that's what I'm talking about
The input gear cup was on nice and tight
 

Camaroboy383

Invention is the mother of necessity!
Premium Member
Excellence Award
Hospitality Award
Build Thread Contributor
Messages
3,796
Reaction score
6,261
Location
Connecticut
Arrma RC's
  1. 4x4-Mega
  2. Kraton 6s
  3. Outcast 6s
  4. Outcast 4s
  5. Typhon 3s
With the proper shim setup they last quite a long time.. I'd suggest honing in on a good gear mesh setup.. The closest you can get to zero backlash is ideal in these situations because the bearings yeild very quickly..

The pinion bearings should be lightly preloaded as well while tightening the cup down..

The above suggested exb gears will not fit the diff cups you have...
 

slick2500

If it ain't broke, you're doing it wrong.
Community Leader
Premium Member
Excellence Award
Build Thread Contributor
Messages
19,545
Reaction score
24,062
Location
Rapid City, SD
Arrma RC's
  1. Kraton EXB
  2. Outcast 6s
  3. Senton 3s
  4. Typhon 3s
Aluminum gearboxes, the plastic ones flex or separate under load causing the mesh to get all messed up which in turn strips the gears.
 

Velodromed

Rubberside ⬇️
Premium Member
Build Thread Contributor
Messages
3,953
Reaction score
5,188
Location
San Antonio, TX
Arrma RC's
  1. BigRock 4x4
  2. Granite
  3. Notorious
  4. Typhon 3s
  5. Vorteks
  6. Voltage
Aluminum gearboxes, the plastic ones flex or separate under load causing the mesh to get all messed up which in turn strips the gears.
Are the aluminum gearboxes most beneficial on the rear (like the 3s line) or does the 6s line need them front and back?
 

slick2500

If it ain't broke, you're doing it wrong.
Community Leader
Premium Member
Excellence Award
Build Thread Contributor
Messages
19,545
Reaction score
24,062
Location
Rapid City, SD
Arrma RC's
  1. Kraton EXB
  2. Outcast 6s
  3. Senton 3s
  4. Typhon 3s
Are the aluminum gearboxes most beneficial on the rear (like the 3s line) or does the 6s line need them front and back?
Both but mostly the rear, I would do that one first if you can only do 1 at a time. The front does flex and come apart but not as much as the rear.
 

Camaroboy383

Invention is the mother of necessity!
Premium Member
Excellence Award
Hospitality Award
Build Thread Contributor
Messages
3,796
Reaction score
6,261
Location
Connecticut
Arrma RC's
  1. 4x4-Mega
  2. Kraton 6s
  3. Outcast 6s
  4. Outcast 4s
  5. Typhon 3s
So something I noticed in your post... You said you have now lost two input gears in a row.. I hope you mean input and crown?

If you put a new input (pinion) on an old crown (ring) it was over before it started.. always replace them in sets...
 

slick2500

If it ain't broke, you're doing it wrong.
Community Leader
Premium Member
Excellence Award
Build Thread Contributor
Messages
19,545
Reaction score
24,062
Location
Rapid City, SD
Arrma RC's
  1. Kraton EXB
  2. Outcast 6s
  3. Senton 3s
  4. Typhon 3s
So something I noticed in your post... You said you have now lost two input gears in a row.. I hope you mean input and crown?

If you put a new input (pinion) on an old crown (ring) it was over before it started.. always replace them in sets...
Good catch. I didn't even think about that.
 
Top