NASA Headquarters and Herndon High School
FIRST Robotics Competition Team # 116


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Here is the critical design review that happened on Monday (24 Jan 2000):


Base - (not ready to build)
	Width: 34"
	Length: 41.5"
	Height: 10-10.5"
	Wheel Base: 32.5"
	Ground Clearance: at peak 5.5"
	Weight: ?
	Cost: $200 - $300

Shock Absorber:  1" non-slip padding
Frame:  1x1 extruded square aluminum tubing
Motors: Both drill motors

2:1 gear ratio, best-case scenario goes 5' per second
Need 4 belts, 8 pulleys of 2 different sizes
Has skid steering (tank drive)

For specifics talk to Jaffe

Scissor Lift - (not ready to build)
	Length: 32"
	Width: 34"
	Height: 6-8"
	Weight: 20-25 lbs
	Cost: $150

Frame: 1 x 1 x 1/8 aluminum angle
Support bars: ¼ inch aluminum rods
Drive system: lead screw
Motor: seat motor

Need 1- ½" pillow block baring
Made as a three section scissor lift
Control Systems needs to program limit switches(3)

For details talk to Mr. Brown

Basket - (not ready to build)
	Length: 40" 
	Width:  33 - 34"
	Height:  12"
	Weight: 20 -23 lbs
	Cost: SPI - $6.35
	          Total - $84.10

Frame: 1 x 1 x 1/8 inch aluminum angle and a polycarbonate shell
Motor: need a motor yet to be specified

Hook is attached to basket
For details talk to Murtland

Scoop - (not ready to build)
	Weight: ?
	Width: 13 - 14"
	Height: 26"
	
5 rollers connected by belts to push ball
Skid on base of scoop to help it go up the ramp
Protected by a polycarbonate shell

For details talk to:

Push Over - (ready as soon as CG of robot is found)
Motor: Window motor

Using a Cam to push robot over, can change cam size if needed
Must tip robot 24 degrees
Take at most 2 seconds to tip
Want control system to program a limit switch
Need mobility to provide a space for attachment

For details talk to:

Control Systems - (as ready as possible at this point)
	Size: 17.5 x 16"
	Weight: 20-21 lbs. (total including battery and wiring)
	
May need sensors
Thinking about integrating a steering wheel instead of using two joysticks

For details concerning specific sub-groups contact designated member of Control group
For general things talk to Snyder


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Page Maintained by: Derek J. Power and Todd Pierce
Page Approved by: Dave Lavery
Last Updated: May 24, 2000