how do I tune a 12lw

Thread View: rec.models.rc

2 messages

[T] Back to Threads [V] Tree View [G] Group Articles

2 total messages Started by Jim mielo Tue, 26 Jan 1993 00:58

#2022

Author: Jim mielo
Date: Tue, 26 Jan 1993 00:58

36 lines
1785 bytes

I recently sold my rc 10 and got a new  rc 12lw

 This being my first pan car with a T plate ( ran a Lynx II), I have no
idea how to tune it. I'm running the tires in the box but have a set of
green dots I plan to put on when the old ones are shot.  

     I understand the concept of increasing spring rate on the rear to get
over steer, etc.

     My first problem is over steer. I've made the car as soft as possible
in the rear. The shock spring is loose, I'm using the thin T plate and the
damper disk springs are a loose as they can go. I also have a wing on the
body.
     The car still oversteers.

     My question is about the effect of the tweek screws and the damper
disks.

     I would appreciate it if some one who owns one could give me a rough
idea of how they set the car up. ie -whats your front caster, 
                               -the spring on the shock is it all the way
up, 1/2 way or completely tightened, 
                               -the dampening discs are both the top and
bottom springs equidistant or  did you tighten one up more than the other
                               - the tweek screws, are they  as loose as
possible or semi tight.


        any help would be greatly appreciated

James Mielo
Rutgers College of Pharmacy '94
milo@dorm.rutgers.edu
 1990 GTi 8v

 Sub Umbra Petri

Re: how do I tune a 12lw

#2067

Author: Matthew G Wheeler
Date: Tue, 26 Jan 1993 15:51

19 lines
1501 bytes

In article <milo-250193195254@mielo.dorm.rutgers.edu> milo@dorm.rutgers.edu (Jim  mielo) writes:
>I recently sold my rc 10 and got a new  rc 12lw
>
> This being my first pan car with a T plate ( ran a Lynx II), I have no
>idea how to tune it. I'm running the tires in the box but have a set of
>green dots I plan to put on when the old ones are shot.  
>
>     I understand the concept of increasing spring rate on the rear to get
>over steer, etc.

I know very little about R.C. cars, but I have studdied vehicle dynamics
quite a bit. It seems to me that the overstear characteristics of a car
depend more on C.G. location and  front/rear tire characteristics than
on suspention spring rate. Does this jive with the experiences of the R.C.
car guys out there.  Maybe changing the spring rate of the rear suspention
changes the effective coeficient of friction of the tires? If so I don't
see it. Please explane.

Matt

Thread Navigation

This is a paginated view of messages in the thread with full content displayed inline.

Messages are displayed in chronological order, with the original post highlighted in green.

Use pagination controls to navigate through all messages in large threads.

Back to All Threads