Xray XB2 2WD Buggy Thread
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#481
Chris, if you can measure and post the offsets of the B5 wheels, I can do the same for the Xray wheels.
#483
Xb2 is good!
Raced the xb2 last night on a clay track and won all the heats and won the a main. Frist practice run with it was good run a very fast lap right off with it. Worked on the set up little by little and by the end of the night I run just as fast of a lap as my b5m that I have been running and working on for months! The xb2 was VERY SMOOTH, consistent, and easy to drive.
#484
Anybody know what's different between carpet n dirt edition?????
#486
Tech Regular
iTrader: (1)
http://www.teamxray.com/xb2/2016/
But basically:
http://www.teamxray.com/xb2/2016/ima...1.jpg?update=1
#487
I can tell you that the carpet car will work fine at OCRC. People are getting hung up on the name "carpet" and it really isn't a big deal. Everything aside from the trans case is the same.
Of Note, I ran my car on a clay track yesterday and it was great, ran faster laps than some fast guys. Here are my notes of things that I would do right out of the gate for my next time at the track:
- Ball or gear diff? if you run med/high traction try the gear, otherwise run the ball
- Raise the inner rear ballstud 1-2mm
- Don't run any internal limiters in the rear shocks. Car doesn't have enough droop in the rear for any kind of bumps or flat-ish type landings
- Front of the car has way too much droop. Start with 2mm internal limiters but 3mm is probably the sweet spot.
- Rear shock location (front/rear) isn't so much about traction as it is more about corner rotation. Build the car up with the shocks on the front and try it. If it turns too hard, move them to the rear.... but have a second wing ready.
- you can add wieght behind the motor under the trans case if you feel the need or need a little more traction.
- Compared to the book setup, the front needs to be stiffer. Either a few steps stiffer on front spring, or even thicker oil. I ran the stock 3-hole pistons with TLR 37.5 oil. I am going to try 40wt with stiffer springs.
thats it for now. I will be at the track again with it next weekend and will post up any thing else.
#489
scroll a bit down on this page:
http://www.teamxray.com/xb2/2016/
But basically:
http://www.teamxray.com/xb2/2016/ima...1.jpg?update=1
http://www.teamxray.com/xb2/2016/
But basically:
http://www.teamxray.com/xb2/2016/ima...1.jpg?update=1
#490
Tech Master
iTrader: (21)
Thanks for the info fellas..........after reading that I would think the carpet edition is the way to go even for American style indoor clay tracks, With the medium flex parts.........I don't think anyone actually runs rear motor anymore...... Car is built beautifully
#492
Here is what I have for Xray wheel measurements. I put a metal scale across the wheel and used a pair of calipers to measure depth to the inside face of the hex. Same reference as Chris. I am also including width of the wheel. I took several measurements and took the average:
Front Backspace - 18.5
Front Width - 24.5
Rear Backspace - 25.5
Rear Width - 38.2
Front Backspace - 18.5
Front Width - 24.5
Rear Backspace - 25.5
Rear Width - 38.2
#493
R/C Tech Elite Member
iTrader: (112)
Here is what I have for Xray wheel measurements. I put a metal scale across the wheel and used a pair of calipers to measure depth to the inside face of the hex. Same reference as Chris. I am also including width of the wheel. I took several measurements and took the average:
Front Backspace - 18.5
Front Width - 24.5
Rear Backspace - 25.5
Rear Width - 38.2
Front Backspace - 18.5
Front Width - 24.5
Rear Backspace - 25.5
Rear Width - 38.2
#494
I found the front to be just fine, but the rear is too soft. Ended up going to 30wt associated, and yellow associated rear springs. Does seem like the front has a lot of droop.
What will decreasing the droop do? Whats the difference between making it short by make exposed shock (shock eyelid) over internal limiters?
What will decreasing the droop do? Whats the difference between making it short by make exposed shock (shock eyelid) over internal limiters?