Sorry guys had to take off unexpectedly yesterday as I had only partly read thru the thread.
Thanks for the answers.
Just to be clear - this is NOT a discussion about wheel balancing. What I wrote above is that people use a variety of weight "shapes" to add to their cars... whether it's the fancy ones (trishbits, rudebits, ghea, AE's newly released 17g one) or cruder ones (adhesive leads initially designed for
1:1, ie full scale cars, wheel balancing).
I understand adding weight to the cars on one end to change weight bias. What I don't get is people adding weight around the CG, or all around the car, unless of course it's to pass tech inspection.
If one adds weight around the CG, this is roughly equivalent to going to softer springs/hydraulics.
Compensating for nimh transition to lipo makes sense though.
I can understand somehow about adding weight evenly but further away from the CG, as this increases rotational inertia and slows down the car's overall reactions, which can make it easier to drive... I think it also means than when the car loses grip on one end and is gone, more energy will need to be dissipated until it can regain grip, basically it's easier to steer a speedboat back on trajectory than a petrol tanker...
Ok - I guess I'll have to try it myself in the end. It was my impression that a lot of people add weight without being really sure why. I have some self adhesive leads at home... time to balance my whe... er, sorry, to weigh the car a bit and see what happens
Paul