Thanks for the compliments. Our shooter is pretty good. I wouldn't say it's the best (I personally love 2169's shooter), but it will hold it's own with the best of them.
Shooter Details:
We are using the 3.875" banebot wheels with the orange rubber compound - -
http://banebots.com/pc/WHB-HS4-398/T80P-394BO-HS4
It's set up for about a 1/2" of compression on the disk.
For the other side, we have a piece of 2" AL angle. It's got a piece of rubber (not sure what kind) glued to it too provide traction. The only other thing we did was tip about 5 degrees to try and keep the discs from walking out the top. We were trying to eliminate the curve on the shots, but it didn't help much and I think the curve is actually a benefit for us (harder to block).
For speeds we are running a AM-9015 on the first wheel with a pulley setup at 42T:12T ratio (~4500RPM). The next wheel is a Banebot 550, setup on a 30T:12T ratio (~7700RPM). The third wheel is also a 550 with a 22T:12T ratio (~10500RPM).
Each wheel is driven by it's motor, with it own timing belt pulley setup.
MXL Urethane Timing Belts and Pulleys:
http://www.mcmaster.com/#mxl-timing-...ulleys/=m9ecc1
http://www.mcmaster.com/#mxl-series-...-belts/=m9eclj
We used the 1/4" belts.
We run it open loop 100% for the FCS. The driver times the shots to get the correct rythem to try and keep it consistent.
I can't seem to figure out how to post pictures, so let me know if you have questions.
-Adam