R/C Tech Forums

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

Reply
 
Thread Tools Search this Thread
Old 02-15-2009, 05:36 PM   #1
Tech Regular
 
farny21's Avatar
 
Join Date: Feb 2009
Location: Michigan
Posts: 293
Trader Rating: 22 (96%+)
Default losi xxx4 temp problem

i have a mamba max 6900kv motor and esc and the motor esc and battery are getting hot and was wondering if its the gearing and if anyone could tell me what is a good setup that would be good. it has a 25pinoion and 92 spur and with a lipo its crazy fast.
farny21 is offline   Reply With Quote
Old 02-15-2009, 06:01 PM   #2
Tech Apprentice
 
C Reedy's Avatar
 
Join Date: Dec 2008
Posts: 83
Default

Quote:
Originally Posted by farny21 View Post
i have a mamba max 6900kv motor and esc and the motor esc and battery are getting hot and was wondering if its the gearing and if anyone could tell me what is a good setup that would be good. it has a 25pinoion and 92 spur and with a lipo its crazy fast.
well my friend has the 7700 mamba and he runs 16 pinion and 92 spur and his gets only warm... so i would think like around 18 on the pinion
C Reedy is offline   Reply With Quote
Old 02-15-2009, 06:18 PM   #3
Tech Regular
 
farny21's Avatar
 
Join Date: Feb 2009
Location: Michigan
Posts: 293
Trader Rating: 22 (96%+)
Default

k thanks ill try that and hopefully its still fast.
farny21 is offline   Reply With Quote
Old 02-15-2009, 08:26 PM   #4
Tech Adept
 
bigbadyoda's Avatar
 
Join Date: Jan 2009
Location: Cleveland/Cookeville, TN
Posts: 110
Default

I can imagine how hot yours is getting.. my buddies 7700 on his mf1 we think is getting the transmission very hot thus heating up the diff gear and making the diff balls waller it out easily and strip it out from the inside out... with him running a 18/86

I'd suggest a 15 or so... I run a 16 and with a 18 it gets a little warmer but a lot faster ......

Hows your buggy holding up besides the temp issue? belt working alright, looking at getting one but didn't know how it would hold up with the brushless in there..
__________________
Loads of stuff for sale- lipos, xxxt's, mamba max system (new), tons of spares charger new

http://www.rctech.net/forum/r-c-items-sale-trade/347804-nib-5700-mamba-max-esc-2-xxx-t-rollers-3-lipos-charger-radio.html#post6658403
bigbadyoda is offline   Reply With Quote
Old 02-15-2009, 09:12 PM   #5
Tech Champion
 
BuggyKing's Avatar
 
Join Date: Oct 2006
Location: Huntington Beach, Ca
Posts: 7,919
Trader Rating: 17 (100%+)
Default

sounds like u are geared to high. I ran 94/18 and it came off 100 degrees.
__________________
Our government is a #$%$ joke, from the head jester on down
RIP Mike M
BuggyKing is offline   Reply With Quote
Old 02-16-2009, 04:37 AM   #6
Tech Elite
 
Join Date: Nov 2006
Posts: 4,324
Trader Rating: 24 (100%+)
Default

I run about 17 or 18 with a 94 when I race with a 5700, and it is about right.
BobWoodhouse is offline   Reply With Quote
Old 02-16-2009, 12:51 PM   #7
Tech Regular
 
farny21's Avatar
 
Join Date: Feb 2009
Location: Michigan
Posts: 293
Trader Rating: 22 (96%+)
Default

i know im geared to high because of my temps and with a lipo it goes 60++++ but it gets to hot but its holding together fine, had a few high speed spils but other than that its a sweet buggy. and the belt sliped a little but after a little adjusting she has never since.
farny21 is offline   Reply With Quote
Old 02-25-2009, 06:31 PM   #8
Tech Apprentice
 
rcracer3533's Avatar
 
Join Date: Jun 2008
Posts: 80
Trader Rating: 1 (100%+)
Default

Plan on running my xxx4 g+ with an orion 6.5 motor and a 94 spur gear. Running a high bite clay track, ground pink tapers, and track has speed sections as well as a couple technical spots. Just wandering if somone could point me in a direction of pinion size to try first. Thanks.
__________________
xxxt-cr
xxx-cr
xxx4 g+
slash
rcracer3533 is offline   Reply With Quote
Old 02-26-2009, 05:21 AM   #9
Tech Regular
 
Alltapdout's Avatar
 
Join Date: Feb 2007
Location: Great White Buffalo
Posts: 412
Trader Rating: 2 (100%+)
Default

Quote:
Originally Posted by rcracer3533 View Post
Plan on running my xxx4 g+ with an orion 6.5 motor and a 94 spur gear. Running a high bite clay track, ground pink tapers, and track has speed sections as well as a couple technical spots. Just wandering if somone could point me in a direction of pinion size to try first. Thanks.
17 would be a good spot to start.
Alltapdout is offline   Reply With Quote
Old 02-26-2009, 09:03 AM   #10
Tech Rookie
 
Join Date: Jan 2008
Posts: 15
Default

I got a tekin 7.5 in mine and I run 19/92 and it's slightly warm, certainly not hot.
__________________
www.rcexcitement.com
XXXT-CR
XXX4-G+
Team Tekin
Team Scream
bluexxxt 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 04:24 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net