Serpent 720
#1426
Tech Elite
Originally Posted by COREX
Try less rear toe, and learn how to drive correctly
#1427
Tech Fanatic
Originally Posted by eduardo_garcia
Hi
I'm having problems with my new 720. I has too much oversteer. Satuday I raced with tires 42 (front) and 37 (rear), 3 degrees of rear toe in, red coils (front) and white coils (rear). With this setup I get some grip on the rear, but not like I had on my 710. With the default setup is simple impossible to drive the car. Any hints?
Regards
Eduardo
I'm having problems with my new 720. I has too much oversteer. Satuday I raced with tires 42 (front) and 37 (rear), 3 degrees of rear toe in, red coils (front) and white coils (rear). With this setup I get some grip on the rear, but not like I had on my 710. With the default setup is simple impossible to drive the car. Any hints?
Regards
Eduardo
RC_Alan
Last edited by rc_alan; 09-18-2006 at 11:15 AM.
#1428
Tech Elite
iTrader: (2)
Originally Posted by eduardo_garcia
The rest of the setup was the default setup. The track was clean (IFMAR 2004 world cup track at Brazil)
#1429
Tech Adept
Originally Posted by asil
maybe a lighter rear diff oil will solve the problem.. just give it a try..
#1432
Tech Elite
Originally Posted by eduardo_garcia
The rest of the setup was the default setup. The track was clean (IFMAR 2004 world cup track at Brazil)
front diff - 100,000wt
rear diff - 20,000wt
front shock oil 35 wt 2 hole pistons
rear (same)
red springs
front shocks 2 hole from bottom
rear shocks 2 hole from bottom
steering ackerman long
front sway bar 45 degrees
rear sway bar soft inner hole on bottom
mazda body
tires 40 shore all around
200mm in rear
199mm in front
front toe -1
rear toe +2
front camber 1.5
rear camber 3
rear ride height 6.5
front ride height 5
front droop -1
rear droop +5
Rear and front roll center stock
Start with this and hope it helps
D.J. Apolaro
#1433
Tech Master
iTrader: (2)
Originally Posted by eduardo_garcia
Hi
I'm having problems with my new 720. I has too much oversteer. Satuday I raced with tires 42 (front) and 37 (rear), 3 degrees of rear toe in, red coils (front) and white coils (rear). With this setup I get some grip on the rear, but not like I had on my 710. With the default setup is simple impossible to drive the car. Any hints?
Regards
Eduardo
I'm having problems with my new 720. I has too much oversteer. Satuday I raced with tires 42 (front) and 37 (rear), 3 degrees of rear toe in, red coils (front) and white coils (rear). With this setup I get some grip on the rear, but not like I had on my 710. With the default setup is simple impossible to drive the car. Any hints?
Regards
Eduardo
#1434
Tech Fanatic
Originally Posted by Francis M.
Hi eduardo, its probably a better idea to look for another 720 running good at your local track. As experienced as some people are giving advice, they wouldn't be able to help as much as someone running in your track.
RC_Alan
#1435
Tech Elite
Originally Posted by soc123_au
I have had similar issues at some tracks. I changed to 10000 oil in the rear diff, power putty in the front diff & took the clutch gap back to .5 to make less agressive. Seemed to work well to get the power down coming out of corners. The tyres you are using should help stop off power oversteer as well. I am still using reds in the rear & blue in the front for this type of problem.
D.J. Apolaro
#1436
Tech Apprentice
Originally Posted by dj apolaro
This may take a minute, but for the brazil track, there are some things to consider. I have not driven there, but have heard of the off camber turn and the bumps. So try this.
front diff - 100,000wt
rear diff - 20,000wt
front shock oil 35 wt 2 hole pistons
rear (same)
red springs
front shocks 2 hole from bottom
rear shocks 2 hole from bottom
steering ackerman long
front sway bar 45 degrees
rear sway bar soft inner hole on bottom
mazda body
tires 40 shore all around
200mm in rear
199mm in front
front toe -1
rear toe +2
front camber 1.5
rear camber 3
rear ride height 6.5
front ride height 5
front droop -1
rear droop +5
Rear and front roll center stock
Start with this and hope it helps
D.J. Apolaro
front diff - 100,000wt
rear diff - 20,000wt
front shock oil 35 wt 2 hole pistons
rear (same)
red springs
front shocks 2 hole from bottom
rear shocks 2 hole from bottom
steering ackerman long
front sway bar 45 degrees
rear sway bar soft inner hole on bottom
mazda body
tires 40 shore all around
200mm in rear
199mm in front
front toe -1
rear toe +2
front camber 1.5
rear camber 3
rear ride height 6.5
front ride height 5
front droop -1
rear droop +5
Rear and front roll center stock
Start with this and hope it helps
D.J. Apolaro
I went to Brazil worlds in 2004 as mechanic. I guess it is a off throttle oversteer problem
I agree with DJ’s the setup, except for the following:
Use front rigid axle in front. In 2004 many (if not all) top drivers, and many not that top, were using it to help avoiding traction roll.
Do not use that much difference in ride height (5mm front and 6.5mm rear). If you are having oversteer problems, start with same ride height front/rear
I guess DJ is talking about downstops, not droop.
A little bit more rear camber (4 deg) would be a good idea.
I also remember that to avoid traction roll in that track, many drivers were using front shocks in an upright position.
I agree with DJ in that I can not imagine such a difference you tried in tires and spring hardness as a good idea. A car with such difference (red fronts and white rears) is probably far and away from being balanced. Remember also that 37 shore can not be used in high temperatures and they tend to slip and you get an oversteer situation.
Hope it helps
#1437
Tech Adept
Hi guys:
Thanks for the tips. I will try them and keep a log of the handling changes.
regards
Eduardo
Thanks for the tips. I will try them and keep a log of the handling changes.
regards
Eduardo
#1438
Tech Apprentice
im looking for pinions and spurs for the 710, where can I find them, are they the same as the 720? can any combination of gears be used like on the mtx 3 prospec?
#1439
Tech Master
iTrader: (2)
Originally Posted by rcjayy
im looking for pinions and spurs for the 710, where can I find them, are they the same as the 720? can any combination of gears be used like on the mtx 3 prospec?
#1440
Tech Adept
Originally Posted by Winner's Circle
I have the pinions in stock for the 710/720. The internal gear ratio is different on the 720 from the 710 so the cars require different gearing.