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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> RC Truggy >> TT ST-1 jumping
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TT ST-1 jumping - 12/1/2007 4:09:29 AM   
wcjones01


 

Posts: 27
Joined: 10/15/2007
From: Derby, KS, USA
Status: offline 		I just got a Thunder Tiger ST-1. It seems to be very nose-heavy when I jump. If I dont gas it hard, I nose dive in to the the next jump / ground. What can I chang so that it jumps with a good level flight? Or do I just have to adjust to it ( im used to a RC10GT).

Thanks
       Post #: 1

RE: TT ST-1 jumping - 12/1/2007 4:25:51 AM   
twomanytoys


 

Posts: 4464
Joined: 1/23/2007
From: , PA, USA
Status: offline 		A 1/8 scale takes alot more throttle to get it to fly but they do fly very well. 1/8 and 1/10 is a totally different beast. Im used to racing a Jato adn just bought my st1 about a month ago. I had to change everything about my driving. Its not the truck its you that just needs to learn how they handle and what makes thm react.

_____________________________

J et A ssisted T ake O ff

(in reply to wcjones01)
       Post #: 2

RE: TT ST-1 jumping - 12/1/2007 5:50:16 AM   
ericem



Posts: 1787
Joined: 1/10/2006
From: Maple, ON, CANADA
Status: offline 		Often it's your ramp itself. Also try letting off the gas right at the edge of the jump that usually makes it land leveled. I think it has alot to do with the rotational mass in the tires, if it had molded foams would jump perfectly all the time.

(in reply to twomanytoys)
       Post #: 3

RE: TT ST-1 jumping - 12/1/2007 5:19:04 PM   
chrobar


 

Posts: 865
Joined: 8/5/2006
From: Darien, IL, USA
Status: offline 		You could change the oil in the front shocks to a heavier weight. It will offer less "give" on the ramp surface, allowing the nose of the truck to stay more leveled. Balancing tires is a good idea too. I haven't tried it yet, but I'm sure it helps A LOT. Jumping is more controllable, smoother, and there is no vibration on the starter box or in the air. Here's a link..
http://www.truggyracers.com/forum/index.php?showtopic=10961


_____________________________

CEN Matrix TR Arena, Futaba fasst, small gear
CEN Buggy

(in reply to ericem)
       Post #: 4

RE: TT ST-1 jumping - 12/1/2007 5:23:32 PM   
jombo



Posts: 2417
Joined: 4/27/2005
From: trumbull, CT, USA
Status: offline 		you can balance your truck with these if its nose heavy put some in the back if back heavy put some in the front
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXK204&P=ML
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXCKT0&P=ML
http://www3.towerhobbies.com/cgi-bin/WTI0096p?&N=N&C=&P=7&S=0000000&F=LXFTX5&L=INTC1021&S1=WEIGHT&S2=&S3=&S4=


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ka-chow
lst2, there is no substitute lst forums, ground pounders rc

(in reply to ericem)
       Post #: 5

RE: TT ST-1 jumping - 12/1/2007 7:37:26 PM   
Darkfae


 

Posts: 148
Joined: 10/11/2007
From: , NH, USA
Status: offline 		You can also increase the angle of your rear wing. That will help with the nose diving.

(in reply to jombo)
       Post #: 6

RE: TT ST-1 jumping - 12/1/2007 11:55:26 PM   
annie_himself



Posts: 6009
Joined: 10/3/2004
From: Prairiville, LA, USA
Status: offline 		Stiffer rear springs will help with the nose-diving also.

_____________________________

Saldly, 98% of teens have switched to rap music, if you're part of the other 2% that like real hip-hop put this in your sig.

(in reply to Darkfae)
       Post #: 7

RE: TT ST-1 jumping - 12/2/2007 3:30:07 AM   
chrobar


 

Posts: 865
Joined: 8/5/2006
From: Darien, IL, USA
Status: offline 		Actually Annie_himself, I think that stiffer rear springs would increase the nose dive. If you think about the physics in the springs and the car taking off...anyway, when the car takes off, the front shocks are the first to get in the air, off the ramp. For a split second, the car is only on the two rear wheels. Since the rear shocks are stiffer, they want to extend quickly, so when they do this, they make the nose point down. Now if you had softer rear shocks, the uncoiling won't be as quick, and the nose won't point down. Anyway, getting back on topic, you can fix your nose down problem a number of ways, but the easiest would probably be to put an extra spacer or two on the front shocks. You can also increase the front shock oil weight.


_____________________________

CEN Matrix TR Arena, Futaba fasst, small gear
CEN Buggy

(in reply to annie_himself)
       Post #: 8

RE: TT ST-1 jumping - 12/2/2007 3:44:21 AM   
annie_himself



Posts: 6009
Joined: 10/3/2004
From: Prairiville, LA, USA
Status: offline
quote:

ORIGINAL: chrobar

Actually Annie_himself, I think that stiffer rear springs would increase the nose dive. If you think about the physics in the springs and the car taking off...anyway, when the car takes off, the front shocks are the first to get in the air, off the ramp. For a split second, the car is only on the two rear wheels. Since the rear shocks are stiffer, they want to extend quickly, so when they do this, they make the nose point down. Now if you had softer rear shocks, the uncoiling won't be as quick, and the nose won't point down. Anyway, getting back on topic, you can fix your nose down problem a number of ways, but the easiest would probably be to put an extra spacer or two on the front shocks. You can also increase the front shock oil weight.

Yea, you are right. I don't know what I was thinking.

_____________________________

Saldly, 98% of teens have switched to rap music, if you're part of the other 2% that like real hip-hop put this in your sig.

(in reply to chrobar)
       Post #: 9

RE: TT ST-1 jumping - 12/3/2007 2:17:09 AM   
revopqrs



Posts: 1366
Joined: 6/6/2005
From: durham, NC, USA
Status: offline 		thicker front shock oil and stay on the gas a bit longer off the jump.... that will solve your problems, you need to adjust to jumping a truggy.

_____________________________

esp 30.5 baja....
3Diffs.....

(in reply to annie_himself)
       Post #: 10

RE: TT ST-1 jumping - 12/3/2007 5:08:52 AM   
wcjones01


 

Posts: 27
Joined: 10/15/2007
From: Derby, KS, USA
Status: offline 		thanks for all the great tips. Im gonna try some out tomorrow.

does anyone know what the stock shock oil weight is in the ST-1?

(in reply to revopqrs)
       Post #: 11

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