wraith has the hiccups

[majin]

i got my new servo in f0r the wraith today, hooked it up zeroed it our its great, but then i notice a hitch. i dont think i noticed it before because of the 2.2 tires that were on it, but with these 1.9 theres a definate hickup.
i can't decide if its the c hubs, or the transmission,
occasionally at low speed crawls it will die for a second then catch back up like nothing happened, ill try to get a video of that part happening

 

[Doom!]

Well that's a new one for me. Have you tried scaring it? Maybe have it chug a big glass of water? Is it just the front end? I was kind of not paying attention.

 

[CertifiedMike]

It looks like something in the front end binding. Maybe a bent axle shaft.

 

[Suburban_Hooligan]

ill second the binding. to much throw. could be the driveshaft in the axle, could be the wheel/tire hitting something. adjust the steering end points on radio so it limits steering throw just enough to not do that.

 

[WickedFog]

i got my new servo in f0r the wraith today, hooked it up zeroed it our its great, but then i notice a hitch. i dont think i noticed it before because of the 2.2 tires that were on it, but with these 1.9 theres a definate hickup.
i can't decide if its the c hubs, or the transmission,
occasionally at low speed crawls it will die for a second then catch back up like nothing happened, ill try to get a video of that part happening

Hard to tell in the video, but are these screws poking through?

 

[majin]

Hard to tell in the video, but are these screws poking through?
View attachment 217489

by just a threadit looks much worse in pics and video than on the shelf, its the same rims I've used on 3 other crawlers with no issues

https://www.amazon.com/gp/product/B0CKQWM3ZF/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

 

[WickedFog]

by just a threadit looks much worse in pics and video than on the shelf, its the same rims I've used on 3 other crawlers with no issues

https://www.amazon.com/gp/product/B0CKQWM3ZF/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

Take the front axle apart. Something is hanging up. Either in the diff or bearings. But in the vid it looked like those screws were sticking out and catching on something.

 

[WickedFog]

It is actually catching twice per revolution of the dogbone going into the outdrive at the spindle. So it's either a bearing gone bad or those rusty dogbones hanging up.

 

[majin]

It is actually catching twice per revolution of the dogbone going into the outdrive at the spindle. So it's either a bearing gone bad or those rusty dogbones hanging up.

I'm thinking its the dogbones, but gonna check all options, my guy @270Crawlers had a gen 7 that had similar behjavior, we swapped the axles and c hub carriers i think?

 

[WickedFog]

I'm thinking its the dogbones, but gonna check all options, my guy @270Crawlers had a gen 7 that had similar behjavior, we swapped the axles and c hub carriers i think?

More than likely is. If you watch the cup at the wheel side, it hangs up every time one of the slots in the cups comes into view.

 

[majin]

they hiccup isnt happening anymore, i may have had something stuck in it i dunno. is above my paygrade

 

[Doom!]

they hiccup isnt happening anymore, i may have had something stuck in it i dunno. is above my paygrade

You did center the servo before putting the servo horn on right? sometimes I forget the basics.

 

[majin]

You did center the servo before putting the servo horn on right? sometimes I forget the basics.

i did previously, last time it ran it did just fine, I'm gonna unhook it and see if maybe a wire got cut or osmething