R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Nitro Off-Road

Reply
 
Thread Tools Search this Thread
Old 08-08-2011, 06:04 PM   #1
Tech Initiate
 
Join Date: Aug 2011
Posts: 25
Default New to Nitro and few hrs in got probs...

Hi everyone. I've tried some forums but noone has even replied or tried to help. I bought a Redcat Hurricane XTR and got to my 3rd tank, doing figure 8's etc and went up the track and turned around and it seemed to rev higer than normal.

Now it may spin tires a little starting then seems like the clutch is slipping. I called redcat they basically listened to the rant and said have a nice day.

They told me to inspect the clutch, I did and it is wore a little but for being 1 day old?? I have a new set coming but I really think my center Diff is the problem and ofcourse there are none available.

How would I know on the bench if my diff's are gone... all 3 are the same front/rear/center. and I think the center may be bad but doesn't seem to skip or have any odd noises, just revs high.

All ideas or suggestions are appreciated
Hurricanextr is offline   Reply With Quote
Old 08-08-2011, 08:41 PM   #2
Tech Rookie
 
Join Date: Jul 2011
Posts: 18
Default

does your's have adjustment for the tranny ? did you check gears in the tranny ? spur gear ?

i do not know nothing about this model, but 1 day and having isssues, id likely send it back.
sporty982000 is offline   Reply With Quote
Old 08-08-2011, 08:44 PM   #3
Tech Initiate
 
eric_hawkins_rc's Avatar
 
Join Date: Jun 2011
Posts: 30
Trader Rating: 2 (100%+)
Default

I don't know much about that buggy but it sounds like a clutch or flywheel issue. Tear it down and make sure clutch nut is tight. Sorry I can't be more help than that.
eric_hawkins_rc is offline   Reply With Quote
Old 08-08-2011, 10:11 PM   #4
Tech Regular
 
Trugsta's Avatar
 
Join Date: Sep 2010
Location: sunshine coast australia
Posts: 468
Trader Rating: 10 (100%+)
Send a message via MSN to Trugsta
Default

Quote:
Originally Posted by eric_hawkins_rc View Post
I don't know much about that buggy but it sounds like a clutch or flywheel issue. Tear it down and make sure clutch nut is tight. Sorry I can't be more help than that.
Thats Exactly what I was thinking.
the clutch nut has come loose.
also add a drop of blue locktight to the nut to insure it dosent come loose again..

could be wrong but this is most likley whats going on.
__________________
Proud Member of S.C.O.R.C.
Losi 8T2- Novarossi P5/Novarossi and GRP pipes.
spektrum DX3S. SAVOX servos. "Race till it MHZ"
A huge thanks to.
www.motorsaver.com (the absolute best filters and savers on the plannet).
Trugsta is offline   Reply With Quote
Old 08-08-2011, 10:38 PM   #5
Tech Lord
 
Jaz240's Avatar
R/C Tech Elite Subscriber
 
Join Date: Aug 2008
Location: Dwindle city
Posts: 12,492
Trader Rating: 52 (100%+)
Default

It sounds like you just may have a high idle. Once your engine breaks in it needs to be re-tuned. If your wheels are spinning make sure your idle and tune are correct as well as checking your clutch.
__________________
nothing to see here................................
Jaz240 is offline   Reply With Quote
Old 08-09-2011, 03:33 AM   #6
Tech Initiate
 
Join Date: Aug 2011
Posts: 25
Default

Thanks you guys, your awesome. Best forum yet!!

Ok I took the clutch off and there is wear, about a playing card thick of an edge on the inside by the flywheel. Called place where i bought it and they SOLD me a set of clutches.

I should have them today but they arn't gone, not by looking at pics of new vs worn out. I'll check the nut on the output shaft of the motor.

I was thinking it may be diff problem but if it were diff it probably wouldn't move at all. When I put in on front wheels and turn both back it doesn't slip same with front.

Redcat Racing Tech and customer service are no help, they listened to my rant and said have a nice day. If I can't get this fixed today, then I'm calling the store where I got it and tell them to give me an HPI and stick this up their u know what. Atleast with HPI I can buy parts anywhere.

Thanks again for your help.


**EDIT** Well I think it may be the center diff. If i hold the front tires and move the back the front don't grab at all same with the back...I can move them oppisite ways too. put it on the floor and hold the spur gear and seems to hold, it does skip a little sometimes, how is it supposed to act?
Hurricanextr is offline   Reply With Quote
Old 08-09-2011, 09:41 AM   #7
Tech Elite
 
R/C Lidz's Avatar
 
Join Date: Dec 2003
Location: Clayton, NC
Posts: 2,696
Trader Rating: 53 (100%+)
Send a message via MSN to R/C Lidz
Default

Sounds like one of the input shafts is loose. Follow the driveshaft from your center diff to the front/ rear diff. It should slide into a diff cup. The diff cup has a set-screw that secures it to the diff pinion. When this setscrew is loose, the shaft will turn and not spin the associated diff. Pull it out, find the flat spot on the pinion, add some blue loctite and tighten it down.

If that's not it, it could be as simple as one of the wheels not being tightened all the way down or not being connected to the shaft somehow (roll pin, or spun hex).

Diffs are pretty tough and not likely to be the cause of any problem.
__________________
Josh Langness
RC8T/ OS Speed/ 2060
RC8/ OS Speed/ 2060
FTGT/ MT12
BLitZ/ Castle SCT
R/C Lidz is offline   Reply With Quote
Old 08-09-2011, 10:23 AM   #8
Tech Initiate
 
Join Date: Aug 2011
Posts: 25
Default

We replaced the clutch and bell. Made things worse. Its at the shop where I got it and they don't know what's wrong either.

She moved but over rev, new clutch hardly moves and revs. Sound like a gear problem I think.
Hurricanextr is offline   Reply With Quote
Old 08-09-2011, 11:03 AM   #9
Tech Elite
 
Join Date: Mar 2009
Location: Aurora, Colorado
Posts: 3,644
Default

Sounds like maybe the flywheel is slipping. Not spinning fast enough for the clutch to fully engage.
__________________
TLR - Spektrum - Horizon - TLR 8ight 4.0 - TLR 8ight-T 4.0 - TLR 22 4.0 - Orion
token is offline   Reply With Quote
Old 08-09-2011, 02:37 PM   #10
Tech Initiate
 
Join Date: Aug 2011
Posts: 25
Default

Well all fixed. Pin came lose in front dog bone which was catching on the alun piece the shocks mount to, caused big trouble. 3 new diffs, metal clutch shoes, new bell. All free thanks to the good people at RC PRO .
Hurricanextr is offline   Reply With Quote
Old 08-09-2011, 03:21 PM   #11
Tech Apprentice
 
Join Date: Mar 2011
Location: MA
Posts: 75
Trader Rating: 4 (100%+)
Default

Sorry to hear your first nitro experience was a bad one! Glad you got it all figured out though.
__________________
Losi Jrx-T
Losi xxx-nt Sport
HPI Blitz
TLR 22 3.0
Otis_Losi is offline   Reply With Quote
Old 08-09-2011, 04:32 PM   #12
Tech Initiate
 
Join Date: Aug 2011
Posts: 25
Default

Thanks mate. Anyone know a good way to fix the pins in the dog bones? One is lose which caused all my problems.
Hurricanextr is offline   Reply With Quote
Old 08-10-2011, 01:15 PM   #13
Tech Initiate
 
Join Date: Aug 2011
Posts: 25
Default

Ok here is a good fix.

Find a stright pick out of a pick set(good ones, not cheapies) and wack that sucker in. Be a really tight fit but won't ever come out. If it does I'll give my car away!! Use dremel and cut ends off. leave long so u can make some test fits before u trim off the end for proper length!

Well thats my fix! hope it helps someone...
Hurricanextr is offline   Reply With Quote
Reply



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 07:15 PM.


Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net