Sandi

Sandi
Year Of Creation	2015-2016
Versions
Current Version	1.0
Update Year	2015-2016
Wins/Losses	0/2
Information and Statistics
Weight Class	BeetleWeight
Weapon Class	Ring Spinner
Combined Wins/Losses	0/2
("Temporary")	("Temporary")
("Temporary")	("Temporary")

Competitions

• Motorama 2016

  • Results:
    • Bracket Style:
      • Loss vs. Silent Spring
        • Sandi's wheels were not stock, and the different left and right wheels caused the robot to drive in arcs.
        • Silent Spring's weapon disk slipped between the baseplate and ring assembly, shearing the screw of a ring support.
        • Sandi's ring was spinning at such high speed that it still hit Silent Spring's weapon, shattering it, throwing the robot across the arena, and affecting its steering.
        • Sandi's ring was unable to spin up again due to the lack of support; eventually, the hubs slipped the drive axles on both sides of the robot, disabling it and resulting in a loss by KO.
      • Loss vs. Ghoti
        • Sandi (for a yet unknown reason) could not drive as well right side up as it could upside down, so its mobility was hampered.
        • Ghoti went in for a hit, as Sandi would not easily move towards the other robot.
        • The impact knocked both Sandi's wheels off axle due to the concussive force, disabling its movement. Ghoti was tossed and landed upside down, its bar bent by the impact.
        • Due to its initiation of contact, Ghoti won by KO.

  Version

  V1

  Created By: Lee Whitley, Jeet Patel, Randy Deng, Jeffrey Zhao

  Drive Motors	Pololu 9.7:1 Metal Gearmotor 25Dx48L mm HP
  Drive Motor Controllers	Sabertooth 2X5 Motor Controller 2X5A
  Weapon Motor	Turnigy Multistar 2814 700kV 14 Pole Multi Rotor Outrunner
  Weapon Motor Controllers	HobbyKing 30A UBEC
  Reciever	Hobby King 2.4Ghz Receiver 6Ch V2
  Remote Control	Hobby King 2.4Ghz 6Ch Tx and Rx V2
  Battery	Zippy Flightmax 1300mAh 3S1P 20C
  (OTHER:)

  Problems:

  • Rear bolt intended for stopping unlucky flips on Emmi's backside basically exposed the LiPo battery to harm
  • Steel teeth on the drum were not fastened sufficiently for them to stay on, producing balance problems caused by the torque of the drum.
  • The lack of a barrier between the drum and internals led to many replacements of the internals.

  Good aspects:

  • Thick plating prevented any direct damage to internals
  • Can operate when flipped

   Changes/Improvements:

  • Curved Plastic Sides
  • Plastic
  • Better Connected Teeth (to ensure a balanced drum)
  • More Room/Better Spacing for Internals
  • Plate between drum and internals
  • Better Skids
  • Remove Rear Bolt (Designed to prevent being trapped on back, but entered LiPo battery during final fight)

  See also

  • Flippi/Mr Wedge
  • Vicki
  • Group 5
  • Smitti Werbenjagermanjensen

  Notes:

  Emmi used self destruct- it was super effective!

  Name is a play on words ME for Mechanical Engineer

  Built by Daniel Choi, Jacob Rowe, and Milo Pan