Go Back  R/C Tech Forums > General Forums > Electric Off-Road
SPRING RATES and set up help >

SPRING RATES and set up help

SPRING RATES and set up help

Reply

Old 05-02-2008, 08:34 AM
  #1  
Tech Rookie
Thread Starter
 
Join Date: May 2008
Posts: 10
Default SPRING RATES and set up help

My sons xxxt has no grip on dry loose track I need help changing the set up, The track that we run starts out wet and very tacky but with 70 to 90 entries each race day and no water it gets very dry and loose please help with set up changes during the day . THANKS FOR YOUR TIME.
HAKYLIKESRDAD is offline  
Reply With Quote
Old 05-02-2008, 08:45 AM
  #2  
Tech Champion
iTrader: (17)
 
BuggyKing's Avatar
 
Join Date: Oct 2006
Location: Huntington Beach, Ca
Posts: 7,919
Trader Rating: 17 (100%+)
Default

Wat setup on it you have now. I would suggest going to a larger pin tire, Bowtie etc.
BuggyKing is offline  
Reply With Quote
Old 05-02-2008, 08:48 AM
  #3  
Tech Fanatic
 
McDonough's Avatar
 
Join Date: Oct 2006
Location: Trackside, WI
Posts: 952
Default

Tires are important. Sounds likes you might have to run different types or compounds as the track conditions change.

Ask around to see if other guys are changing tires or any other changes they are making as the track conditions change.
McDonough is offline  
Reply With Quote
Old 05-02-2008, 08:52 AM
  #4  
Tech Rookie
Thread Starter
 
Join Date: May 2008
Posts: 10
Default

WE CURRENTLY RUN T BONZ IN RED OR RED STEP PINS ALSO RUNNING STOCK SHOCKS 35wt oil stock springs.
HAKYLIKESRDAD is offline  
Reply With Quote
Old 05-02-2008, 09:15 AM
  #5  
Suspended
 
Join Date: Mar 2008
Posts: 421
Default

Originally Posted by HAKYLIKESRDAD View Post
WE CURRENTLY RUN T BONZ IN RED OR RED STEP PINS ALSO RUNNING STOCK SHOCKS 35wt oil stock springs.
It's been my experience that many people try and set-up their trucks and buggies and do all their practicing when they arrive at the track - when conditions are usually the best they're going to be all day - and only struggle progressively as the day goes on and find themselves lost as the conditions deteriorate.

IMHO you need to have an adjustable set-up that's somewhere between your tacky/soft start of the day and dry/loose end of the day as a happy medium and then use tires for fine tuning. Shock oil and spring choice has to be adjusted from the stock set-up - but a lot of that comes down to the track you're running and the size of the jumps. Smaller jumps, and looser tracks can handle softer set-ups - while tracks with bigger jumps require more dampening.

Personally I'd suggest to get some tires that are designed for dry track conditions like Panther Switch's (http://www.pantherteam.com/index.php...roducts_id=265) or something similar and change to them as the track dries -- and save your T-Bones or Step-Pins for when the better traction is available or when you first get to the track.

hope this helps
RocketRob40 is offline  
Reply With Quote
Old 05-02-2008, 09:52 AM
  #6  
Tech Rookie
Thread Starter
 
Join Date: May 2008
Posts: 10
Default

thanks for your advice we will try this on sunday.
HAKYLIKESRDAD is offline  
Reply With Quote
Old 05-02-2008, 10:47 AM
  #7  
Tech Fanatic
iTrader: (38)
 
Join Date: Jun 2006
Posts: 876
Trader Rating: 38 (100%+)
Default

Camber is important too. If you are loose coming out of turns, increase negative camber up to about -2, if you are loose on acceleration, decrease the camber. Also, going to lighter weight shock oil 30wt in the rear will increase traction. Make sure the ride height is bones level rear and arms level front. If you have too much steering, try decreasing front toe to 0 degrees, if you have toe out, that could make you loose.
mattnin is offline  
Reply With Quote
Old 05-02-2008, 11:49 AM
  #8  
Tech Master
iTrader: (7)
 
trx450racer174's Avatar
 
Join Date: Mar 2008
Location: Moreno Valley,CA
Posts: 1,261
Trader Rating: 7 (100%+)
Default

I run the new matt francis set up on my cr with orange front springs instead of red springs, Track conditions are dry and blue groove with more 1/8th size jumps and some pot holes from the buggies, as far as the tacky wet condition i dont have any experience on that type of surface so no help there.
trx450racer174 is offline  
Reply With Quote
Old 05-03-2008, 06:09 AM
  #9  
Tech Rookie
Thread Starter
 
Join Date: May 2008
Posts: 10
Default

Thanks for your time. He has only been driving for 4 months mostly indoor carpet, now we are moving outside to dirt and we are having trouble finding grip. All of your suggestions will be tried. Does anyone have a chart for spring rates as far as color goes. Also I found a suggestion on cutting down foam tires liners to improve grip on loose tracks.
HAKYLIKESRDAD is offline  
Reply With Quote
Old 05-03-2008, 06:17 AM
  #10  
Tech Fanatic
iTrader: (3)
 
ChrisWolfson's Avatar
 
Join Date: Apr 2006
Location: Pittsburgh, PA
Posts: 985
Trader Rating: 3 (100%+)
Default

Find some of the guys that have good traction and find out exactly what tires and foam they are running. When you have no traction it is usually in the tires. Your setup is probably pretty neutral. There's no magic bullet until you get the right tires on the truck. Good luck!
ChrisWolfson is offline  
Reply With Quote
Old 05-03-2008, 11:38 AM
  #11  
Tech Rookie
Thread Starter
 
Join Date: May 2008
Posts: 10
Default

THANKS EVERYONE We have negative camber at -2, Toe in set slightly in, orange front springs, red on rear, new front ribbed tires, new rear panther switches all with stock foams, fresh charged 5000mah batteries, and we are heading out the door for some practice
HAKYLIKESRDAD is offline  
Reply With Quote
Old 05-03-2008, 12:00 PM
  #12  
Super Moderator
iTrader: (61)
 
tmail55's Avatar
 
Join Date: Oct 2005
Location: Sunny Florida!!!!!
Posts: 3,292
Trader Rating: 61 (100%+)
Default

Losi Springs

1.15" 7.6 White
1.15" 8.6 Orange
1.15" 9.6 Yellow
1.15" 10.6 Pink
1.15" 11.6 Red
1.15" 12.6 Silver
1.15" 14.6 Blue
1.15" 17.5 Dark Green

2" 2.5 Red
2" 2.9 Orange
2" 3.2 Silver
2" 3.2 Green <<< wrong rate it's 3.5
2" 3.8 Blue
2" 4.1 Black

2.75" 1.8 White
2.75" 2.0 Yellow
2.75" 2.3 Pink
2.75" 2.6 Red
2.75" 2.9 Orange
2.75" 3.4 Silver
2.75" 3.7 Green
2.75" 4.1 Blue

Last edited by tmail55; 05-03-2008 at 07:04 PM.
tmail55 is offline  
Reply With Quote
Old 05-03-2008, 01:05 PM
  #13  
Tech Rookie
Thread Starter
 
Join Date: May 2008
Posts: 10
Default

THANK YOU TMAIL55 now if I can get this to print out it will be a good day
HAKYLIKESRDAD is offline  
Reply With Quote
Old 05-03-2008, 05:09 PM
  #14  
Super Moderator
iTrader: (61)
 
tmail55's Avatar
 
Join Date: Oct 2005
Location: Sunny Florida!!!!!
Posts: 3,292
Trader Rating: 61 (100%+)
Default

copy/paste to notepad and print.
tmail55 is offline  
Reply With Quote
Old 05-03-2008, 05:28 PM
  #15  
Super Moderator
iTrader: (61)
 
tmail55's Avatar
 
Join Date: Oct 2005
Location: Sunny Florida!!!!!
Posts: 3,292
Trader Rating: 61 (100%+)
Default

Try (as the track dries) -1/2 to +1/2 degree on the rear IF track is REAL loose with a lot of dust.

30 oil in shocks.

Racing carpet is MUCH diff then dirt, he may need to learn a slower finger.

Smooth no jerks make a fast lap!
tmail55 is offline  
Reply With Quote

Thread Tools
Search this Thread

Contact Us Archive Advertising Cookie Policy Terms of Service