On the site it says the red motor is 2.1 Nm, but what are the values of the green and blue motors?

Speed and torque are related. A 100 rpm gear set will have half the speed and twice the torque as a 200 rpm gear set. Iâ€™ll leave the math to you to figure outâ€¦document it in your engineering notebook.

Blue is 3 times as fast eith 1/3 the torque.

Iâ€™m sure you can do the math

Ok then. Quick follow up question. What do I put for the torque in here? https://www-barcbots-com.filesusr.com/html/51833e_fe170595b18ce5f3b95f93f3af4fcad2.html I have 12.6 Nm of torque with the gearbox I have, which I assume multiplies the torque (blue motor 1:36), but it only goes down to 20 Nm in the calculator, so is the Torque actually related to the weight on the tray?

Take a look at this training document http://cmra.rec.ri.cmu.edu/products/cortex_video_trainer/lesson/media_files/Motion_IG.pdf to get a better understanding of speed and torque (start around page 10).

Torque is a combination of â€śforceâ€ť in newtons (or weightâ€“force created by gravity) and â€ślever armâ€ť in meters.

The torque as referenced by the barcbots calculator is the torque put on the tray fully loaded at a horizontal angle(this is listed on the calculator itself, read carefully next time)