502x on carpet - Rear end to loose

[Netmav]

Can anyone help me figure out how to get more traction on the rear end, when running a 502x on carpet?
First of all, I'm new to racing, so I don't have very much experience with this. But I think it must be possible, because I see the B44.1's going around our track with a lot more traction on the rear end..

Here's my setup (at least what I remember now, as I'm at work ):
Ride height at 21mm
Schumacher Mini Spike tyres (with the spikes cut off)
Losi 40wt shock oil and 1.3x2 pistons. Tamiya Blue springs (Front)
Losi 30wt shock oil and 1.4x2 pistons. Tamiya Yellow springs (Rear)
Front toe-out at approx. 1
Rear toe-in at 2
Front camber at -1.5
Rear camber at -1.5
The diffs are both at "medium" tightness

I have the "gold" HL aeration dampers, alu front castor hubs (12 deg) and the rear alu 1 deg uprights on the car as well.

If theres any more info needed, just let me know.

Any help/tips/tircks/suggestions are greatly appreciated.
Thanks.


\Martin

[Jamie.T]

Are you running lipos? If so are they in the most forward position as there's a choice of forward and rear?

Also, i always run the front diff a little tighter than the rear.

[muratti]

I´d try rear camber at only -0.5 or even 0. When i began racing this was new to me, i thought more neg. camber means more grip but that´s not the fact.

[jamiew]

I would try a set of mini pins instead of spikes also why do u cut the spikes off??

[Jan Larsen]

Yes, go for minipins. I usually have ever so slight understeer on my 511 (granted, not the same car, but same suspension) even with full pins. I only trim the most outer row of pins to make the car a little more predictable.

Also, if the track is indoor like smooth, drop the ride height 2-3mm all around.

[Fredrik Emilsson]

Originally Posted by jamiew

I would try a set of mini pins instead of spikes also why do u cut the spikes off??

Maybe not allowed to use them on carpet. Wears out the carpet.

[Netmav]

Hi guys. Thank you for all the replies!

Yes, I'm running LiPo's. Team Orion Carbon Pro packs, and they are in the forward position. I have no wheights on the car, btw.

I've tried the front diff a little tighter than the rear, but that didn't help much..

I'll try it with less rear camber on saturday, at our club meeting.

The reason for running cut off Mini Spikes is because that's what I found when I googled for what tyres to try.. (as I said, I'm new to racing..). That's also what most of the other cars are running in our club, btw.

I'll also drop the ride height, but that would require cutting the rear springs. Is this "normal procedure"? I only have Tamiya springs available now..

Jan: What's the reason for cutting just the outer rows of spikes? What does that do?

There's no "rule" against tyres with spikes in our club, and the reason I cut them was, as I said, that's what I tought everybody else is doing..

So you guys think that Mini Pins, or even un-cut Mini Spikes are better for indoor carpet racing, than the cut Mini Spikes? Interesting..

Thanks again.


\Martin