News, events, and updates from Team 254.
Earlier today, RAWC students and mentors brainstormed ideas while at the high school, coming up with a few mechanisms to launch a soccer ball. A few of those ideas were actually plausable(we went forward with one). We built a launcher frame that takes into…
Read postToday at the Nasa lab we had roughly 12 students experimenting with various prototypes for kicking/launching mechanisms. One group seemed to find particular success with a pneumatic-kicker, which was able to launch the ball just over the hump attaining a…
Read postThe wheel design has been completed. The wheels weigh 0.30lbs each and construction will begin tomorrow.
Read postToday we finished the first operation on all 140 bearing housings. We began machining the backsides of them and expect to be finished tomorrow evening or early Friday, at which point we will begin machining wheels.
Read postAt Team 254's lab today, we had an extremely large number of people working hard to complete some common objectives. In the manufacturing department, several students continued cutting stock for the bearing blocks. Many of the bearing blocks have already…
Read postSee the linked PDF below, for some important calculations regarding gearing and performance of the winch. The run-through of the basic calculations should be understandable by the astute high-school student. Please let Dave know if there are any errors in the…
Read postAgreed Upon Specs: 2 Speed with Power-Take-Off (PTO) for Winch 4 CIM motors, 2 per side Initial Reduction - 12:45 High Speed Reduction - 30:48 gives ~15.5 fps at 93% efficiency Low Speed Reduction - 14:64 gives ~ 5.5 fps at 93% efficiency All gears are…
Read postCheck out the different positions as these configurations go over the bump. 8wd_geometry_4in 8wd_geometry_6in 6wd_geometry_8in
Read postIdeal design would utilize a rigid 6 wheel / 8 wheel structure Ideal design would also incorporate a mechanism that will allow the robot to traverse over bumps quickly Both teams are wondering on the usage of 8" inch wheels. (Additional gearing) Recommended…
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