Wow, not sure how I missed this thread....Anyway...Matt is correct that we now have 2 systems. The 1 inch system is very much overkill for FTC and is really designed for FRC. The difference is that those use ball bearings with eccentric bushings for a preload on the lift allowing for higher loads.
The new linear motion system for FTC around our 15mm line uses molded Acetel (Delrin) sliders. These provide a similar experience to the plastic sliders for 80/20, at a fraction of the cost. They also allow you to use a smaller profile than you can get with drawer slides or other linear motion systems.
In terms of strength, they are able to adapt for each application. For light duty applications you can just use the center connections, and as you need more strength you can use the sides.
Our slide kits will be available early next week, and we will also be releasing a video on how to assemble and use them.
In terms of connecting extrusion to tetrix, it is very easy. Similar to what
RRLedford said, you just bolt them together and it works. I'll make some photos or video to show how the two interface.
