BrainTeased

iTrader: (4)

Could you please scan that for some of the people who car by this magazine im from austraila dont think my newsagency has these kinda magazines.

BrainTeased

iTrader: (4)

also with the 16/19 conversion i have just been told by my mugen supplier that this conversion only works with a mtx-3 that is equipped with a front one-way diff. or can this still be used effectively on a mtx-3 with front and rear open diff?

and do those A B C D suspension arms or roll centre (basically the current topic right now) come within the kit or are these optional/hop-up parts?

momotalo

that A B C susp arm already come with the kit, it's not an opt part. maybe the D one must be the opt part, because till now , i can't find D susp arm, hehehehe.

one more things, can anyone give me suggestion about the shock piston hole, which one better, one hole or 2 hole, maybe more???
because, most people said, that one piston hole can't be constant for play 45 minute on the final . thank

VenomWorldOrder

1 hole shock piston at the front will instigate initial understeer but at high speed turns, mainly on a large track it will hold the direction better. so this means mid turn and exit it will steer better with a 1 hole.

2 hole gives better initial steer in but mid and exit it will push more as the shocks will compress easier.

go with the base setup of 1 hole front 2 holes rear. only play with pistons after EEEEEEEEEEEEEEEEVERYTHING else is tuned. i don't even think it is worth playing with them. the designers have already figured out this very small tuning option for you.

remember 80% of tuning is in the tyres you use. GET THAT RIGHT FIRST.

AMGRacer

This is what has me confused. The A block is the 4mm high block which is the lowest block right? The C block is the highest? As far as I can tell raising the inner lower hingepin RAISES the roll centre resulting in less chassis roll. Therefore the C block should be the best on a high grip track.............. I am obviously missing something here

BrainTeased

iTrader: (4)

Totally agree!

Also previously someone has mentioned shaving parts of the rear up right off. i have compared the pic of a shaven rear up right with my car and notice no difference! where exactly is the shaving needed to be done?

Taylor-Racing

It'll work fine if you use a front diff.
The idea is to be able to maintain even front to rear tyre wear, arguably more important if you are using a front diff, come to think of it.

vadn1

iTrader: (5)

Who carries the body supports for the mtx-3. On the intruction manual of the mtx-3 the front cover has some type of supports just above the lower body clips. Also the same thing can be found on Robbies Collins car in Xtreme RC car mag....?

Taylor-Racing

I'm confused too - no news there, then.
I just measured the blocks as I'm rather unfamiliar with this car.
The "A" blocks have the lower arm pin at 4mm above chassis, the B's at 5mm and the C's at 6mm.

momotalo

has anybody try with 450 oil shock , and the purple spring??
because i saw in setting sheet , most of the people use 600 and the light blue spring??

rjl

I'm entered for the World Championships I hope, does anyone know if I could rent a house close to the track 2/10/04-25/10/04. Also need to ship goods to someone reliable, the stuff I won't be taking with me. This will be my first WC if all goes well, wish me luck guys I will need it.

Unregistered

It's not always best to think of rollcenters and how they relate to traction or even the tendancy of the car to roll (to an extent). The main thing that you're changing when you raise or lower the rear rollcenter is the roll axis.

Lower the rear rollcenter and the car will be more mellow and have less steering. This is because the rear rollcenter is acting with the front rollcenter changing how the weight is transfered at the front of the car.

Raise the rollcenter and the roll axis increases giving the car more steering and generally a more responsive feel. especially when transitioning from one direction to another. Raising the rollcenter on a high bite track can also make the car traction roll.

Cartman

look harder mine have no kink on them

Sow&Steady

Are saying then that for the MTX, the roll-center is higher relative to the CG?

Unregistered

Not exactly. I'll try to explain how the rollcenters and CG all work together.

We know what the CG is and that it controls how much weight is transferred to the outside tires during cornering.

We know what the rollcenters are (front and rear), and the roll axis is an emaginary line connecting the front and rear rollcenters.

On our cars (all RC cars that I've seen) both rollcenters are below the car's CG.

Here's how they work together. The roll axis changes how the CG weight is transferred to the outside wheels. If the roll axis is level (front and rear rollcenters are the same) then the CG weight will transfer straight out (the percentage is about the same as the front to rear weight distribution). If the roll axis is more inclined (always higher at the rear) it tweaks how the CG transfers weight moving it foreward on the car giving more steering and the feel that you lose rear traction (you lose rear and you gain front).

I guess a more simple way to put it is that with the rear rollcenter raised it wants to force the front to roll more in the corner planting the RF tire more.