Day #30 – 2/03/2014

Despite today being a Monday, we still had a plethora of members show up today.

Kicking things off, members of the mech team replaced the CHOO mechanism on the prototype with a quick release valve (Not FIRST legal, but we want to push the limits of our prototype). In addition, members improved the supports of the prototype by replacing the wood supports with 2- 29 in. long x 1 in wide box tubing.

Regarding the prototype, most of us figured out that the pistons were causing too much drag. We disregarded this minor nuisance, as it launches well enough, and it’s one of the only ways of automatically bringing the catapult down.

In the programming department, the leader continued work on RobotBuilder by adding more functions, and by touching up drive code by adding shifting.

CAD members figured out the overall geometry for mounting the intake mech/pistons.

A member of the CAD team described the composition of the intake:

I used TWO SEPARATE Versa planetary gearboxes, each with two stages at 4:1, so the final gear ratio for each is 16:1. The motors used are banebots RS-550’s, and the two gears on each side are 30 tooth gears, both together making a 1:1 ratio.

Pictures are below.

Angle 1 of the new Intake Mechanism.
Angle 1 of the new Intake Mechanism.

 

Angle 2 of the new Intake Mechanism.
Angle 2 of the new Intake Mechanism.
Angle 3 of the new Intake Mechanism.
Angle 3 of the new Intake Mechanism.
Angle 4 of the new Intake Mechanism.
Angle 4 of the new Intake Mechanism.

 

Our head mentor, Mr. Black, got fan caps welded on during the day. He intends to finish welding bumper mounts and the “super structure” for the launcher (with the help of two students) by the end of the evening.