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ARobot is easy to put together. Make sure you have all of the parts listed below before beginning. If
something doesn’t look right, send us some email at info@robotics.com
Quantity Description Used For
1) Robot Body Sheetmetal Body
2) Motor Brackets Mounting front drive wheel assembly
1) Encoder wheel Encoder assembly
7) Screw, 4-40 x 3/16” Whisker spacers, drive motor
12) Screw, 4-40 x 3/8” Motor brackets, encoder sensor, steering motor
16) Screw, 6-32 x 1/4” Collars, whisker brackets, steering arms, controller spacers
12) Nut, 4-40 Motor brackets, encoder sensor, steering motor
5) Nut, 10-32 Front axle, encoder wheel
13) Washer, #4 star (teeth) Motor brackets, encoder sensor, steering motor
2) Washer, #6 plastic Under whisker brackets
2) Washer, #6 shoulder Whisker bracket mounting
4) Washer, #10 star (teeth) Encoder wheel, front axle
2) Spacer, 4-40 x 1/4” Whisker mounting
4) Spacer, 1” plastic Controller circuit board mounting
1) RC Servo Motor Rear wheel steering motor with horns (attachments).
1) DC Gear Motor Front wheel drive motor
4) Plastic wire tie Bundling wires
1) Body Cable Connects controller to whiskers and encoder sensor
1) Encoder sensor To sense encoder wheel slots, mounts to motor bracket
1) Shaft coupling Attach front wheel axle to drive motor
8) Collar Rear wheel assemblies
2) Rear axle Rear wheels
1) Front axle Front wheel assembly – Don’t damage threads!
1) Bronze bearing Front axle
2) Steering arm Connects steering linkage wire to rear wheel axle
2) Steering arm linkage wire Links steering servo motor to steering arm
2) Whisker wires, 8-3/4” Whiskers
3) Wheel, 3-1/4” diameter Front and rear wheels
1) 3” Velcro Battery pack mounting
1) Battery holder for 8-AA cells Power source
1) Battery cable Connects battery pack to controller
About Screw, nut, and washer sizes
Numeric screw sizes start with a number indicating the diameter such as #4, #6, #10, etc (lower numbers
are smaller) followed by the number of threads per inch (32, 40 etc), then the length. For example: 4-
40 x 3/16 is a #4 screw with 40 threads per inch and a length of 3/16”. Nut sizes are the same except
they do not have a length. Spacers are like nuts but have a length. Washers simply have the # size and
no threads per inch or length. Star washers have small teeth to prevent slipping.