Furi

Furi
Year Of Creation	2018-2019
Versions
Current Version	1.0
Wins/Losses	0/2
Information and Statistics
Weight Class	Beetle Weight
Weapon Class	Drum Spinner
Combined Wins/Losses	0/2

Furi is an invertable Drum Spinner. It was designed to have as wide of an impact area as possible. There are 4 weapon screws on the drum, where 2 are in the front and where 2 are spaced further apart in the back. It has 2 wheels and skids for drive, and a belt attached to the weapon.

Competitions

Motorama 2019

• Results: 0/2
  • Bracket Style: Double Elimination
    • Safety Inspection***
    • Loss vs Wedge/Beater bar
      • Loss was due to gearbox not interfacing correctly interfacing with the motor as well as potential shorts in the weapon motor.
    • [(No Video) Forfeit vs Beater Bar]
      • Unknown electrical issues caused short to the frame and prevented robot from starting as well as causing sparks when metal contacted the switch and the frame simultaneously.

Versions

Furi

Created by: (Luke Fink and Jacob Webb)

Drive Motors	DYS BE1806 2300KV Motors
Drive Motor Gearboxes	KITBOTS 1000rpm Gearmotor Gearboxes
Drive Motor Controllers	DYS 20A Micro Opto Multi-rotor ESC
Weapon Motor	PROPDRIVE v2 2836 2200KV Brushless Outrunner Motor
Weapon Motor Controllers	Turnigy Plush-60A Bulletproof Speed Controller
Receiver	Turnigy T6A-V2 AFHDS 2.4GHz 6Ch Receiver V2
Remote Control	Turnigy T6A-V2 AFHDS 2.4GHz 6Ch Transmitter V2
Battery	Turnigy Nano-Tech 1000mAh 3s 45~90c LiPo Pack

Problems

• Drive motor did not interface with gearboxes consistently, leading to having 1 wheel drive and generally inconsistent ability to turn and move.
• High friction between the bearing and the weapon spacers caused the weapon motor to overheat and likely cause a short inside the motor.
• Poor manufacturing lead to puzzle fits and the drum to fit poorly, leading to concave side plates, causing the high friction mentioned above.
• Electronics were not insulated fully from the frame, causing electrical problems.
• Poor tolerances caused many parts to need to be filed in order to fit together properly, this created many hours of additional labor.
• This robot was completed too close to the deadline, which severely restricted the available window for testing and fixing problems, leading to many of the problems described above.

Good aspects

• We passed inspection
• The wide weapon area made the robot difficult to approach.

Changes/Improvements

• The robot was too wide and too long, this caused handling to be adversely affected, in addition the robot was very thin, which did not allow electronics to be placed vertically. Even with the large footprint of the robot, it was very difficult to fit the electronics in the robot.
• The puzzle fit should be manufactured in such a way to allow the parts to more easily fit together.
• The robot should be finished at least 1.5 weeks from the competition date in order to allow for potential problems that may require ordering new parts and/or machining new parts.
• Screws should be locktighted so that they do not counter rotate out of the weapon spacer.
• Machining should be done with more care to prevent the interfacing issues described above.

Notes:

(Not to be confused with Furri)

(Fury sounded cool)

(Surviving Members: Luke Fink, Jacob Webb)