RC10Talk - The Net's Largest Vintage R/C Community

geeforce59 wrote:Great! it seems that the X2 chassis is good for short technical coarse and the Pro looks good on long straightaways.....correct me if im wrong!

Its been too long since i've driven a graphite chassis JRX2 to comment first hand, but the general consensus seems to be that the 5-link gives lots of rear end traction - so the SWB chassis on a JRX2 is required to get the car to turn sharply. The grip on the rear is reduced with the H-arm set-up of a 'Pro' - so a long chassis is used to tame the steering & add stability over the bumps.

If your track is particularly tight & twisty - it might be best to run H-arm on a SWB chassis?

Here is "the official" bumper between chassis and front bulkhead mod scan: And here is a little better pics from the 1989 ROAR Nats and 1989 Worlds cars: To me all the cars above seems to have 30-degrees kickup in the chassis without the bumper mod.

Jirka

Some photos of the Jrx2 turns Pro....almost