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Part 1
Step 1: Chassis frame
Hardware: 288mm channels (x2), flat plates (x2), 5/16" socket head cap screws ( SHCS ) (x7), kep
nuts (x7)
Instructions: Position the flat plates on top of the channels and screw in place. Make sure that the
screws (marked in green) align with the plates and channels exactly as shown in the photo - this is
where the REV hub will mount and we don't want any interference from the screw heads.
Step 2: Phone mount
Hardware: 160mm channel (x1), 1/2" SHCS (x2), 2" stand-off post (x2)
Instructions: Position the 160mm channel so that it touches both ends of the 288mm channels and
the open side facing up. Screw the channel into place from the bottom, so that the posts stick up.
This will hold the robot controller phone.
Srishti Kumar, FTC #7172
Lauren PeCoy, FTC #8204
Patrick R. Michaud, UT-Dallas
2017
FTC Tomahawk Instructions
v2017.06.2
1
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Summary of Contents for pitsco TETRIX FTC Tomahawk
- Page 1 2017 FTC Tomahawk Instructions Part 1 Step 1: Chassis frame Hardware: 288mm channels (x2), flat plates (x2), 5/16" socket head cap screws ( SHCS ) (x7), kep nuts (x7) Instructions: Position the flat plates on top of the channels and screw in place. Make sure that the screws (marked in green) align with the plates and channels exactly as shown in the photo - this is ...
- Page 2 2017 FTC Tomahawk Instructions Step 3: Robot Arm Mount Hardware: 160mm channels (x2), 5/16" SHCS (x4), kep nuts (x4) Instructions: Screw the 160mm channels into the longer 288mm channel. These channels will be the risers used to mount the robot arm. ...
- Page 3 2017 FTC Tomahawk Instructions Step 6: Robot Arm Mount (cont.) Hardware: Arm assembly from step 5, 80-tooth gear (x1), axle hub (x1), hub gear spacer (x1), 1.25" SHCS (x2) Instructions: Screw the gear onto the hub gear spacer. On the other end, place the axle hub. The holes are threaded and the screws will fit into that.
- Page 4 2017 FTC Tomahawk Instructions Step 8: Arm Motor Mount Hardware: Motor mount (x1), 1.25" SHCS (x1), motor mount screws 1.5" (x1), nuts (x2) Instructions: Position the screws as shown on the motor mount. One of the screws will be longer than the other;...
- Page 5 2017 FTC Tomahawk Instructions Step 10: Motor Gear Assembly (x3) Hardware: 40-tooth gear (x3), motor shaft hub (x3), 1/2" SHCS (x6) Instructions: Screw the hubs onto the gears, so that the flange fits into the gear. ...
- Page 6 2017 FTC Tomahawk Instructions Step 13: REV Expansion Hub Hardware: REV Expansion Hub, 16mm M3 screws (x2), M3 nyloc nuts (x2) Instructions: Screw the REV Expansion Hub onto the robot plates. Note that only 2 holes will be used. ...
- Page 7 2017 FTC Tomahawk Instructions Step 15: Omni Wheels Hardware: Omni wheels (x2), 100mm axle (x2), 1/2" SHCS (x4), axle hub (x2) Instructions: Place the hub so that the flange fits into the omni wheel. Screw in place.Then add the axle;...
- Page 8 2017 FTC Tomahawk Instructions Step 17: Driving Wheels Hardware: Traction wheel (x2), 100mm axle (x2), hub gear spacer(x2), axle hub (x2), 80-tooth gear (x2), 1.5” motor mount SHCS (x2). Instructions: Add the hub gear spacer to the tire. Then add the gear and the axle hub, and attach using 1.25"...
- Page 9 2017 FTC Tomahawk Instructions Step 19: Servo Attachment Hardware: Servo (x1), 5/16 SCHS (x4), kep nuts (x4) Instructions: Mount the servo onto the channel as shown. Place the servo so the mounting holes are on the outside of the bracket’s holes. ...
- Page 10 2017 FTC Tomahawk Instructions Step 21: Finishing Touches Hardware: Phone and battery pack Instructions: Place the phone and battery in the robot in their respective places as shown. Finished robot build: Congratulations! You have finished the robot build. Now to wire it! :) ...
- Page 11 2017 FTC Tomahawk Instructions Part 2 Step 22: Motor wiring Hardware: Motor power cable (x2) Instructions: Attach the motor power cable to the motors. Make sure all wires are tucked away. Zip tie or twist-tie the wires together. ...
- Page 12 2017 FTC Tomahawk Instructions Step 23: Motor wiring (cont.) Take the white ends of the motor cables and plug them into the REV Expansion Hub. Note: The omni wheels are the front of the robot. Plug the left driving motor (the side without the arm) in port 0 and the right driving motor (the side with the arm) in port 1. ...
- Page 13 2017 FTC Tomahawk Instructions Step 25: Battery wire attachment Hardware : Battery assembly from Step 23 Instructions : Take the battery wire and attach it to the switch wire. (There are 2 switch wires; only one of them will fit.) ...
- Page 14 2017 FTC Tomahawk Instructions Step 26: Servo wiring Hardware : Servo cable (x1) Instructions : Attach a servo extension to the servo. Plug it into servo port 0 on the REV Expansion Hub. Step 27: Phone wires Hardware: OTG cable (x1), USB A to mini USB cable (x1) ...
- Page 15 2017 FTC Tomahawk Instructions Step 29: Zipping ‘em all up! Hardware: Zip ties/wire ties Instructions: Tie all loose wires into place. You can tie them up however you wish; feel free to use our robot as a guide. Just keep in mind that it is essential that there are no loose wires near gears/other moving parts because of entanglement risks.