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3

Attach a threaded collet to the top of each motor using the 

four small screws included with collets. Apply threadlock to 

each screw before fastening. Repeat for all four motors.

5

Attach top and bottom plates

Place the arm between the two plates so the two holes 

in the arm align with the holes in the plates. Insert a bolt 

into each hole and secure with nuts. For inner holes use 

30 mm bolts and metal nuts; for outer holes use 25 mm 

bolts and metal nuts. Add a rubber washer on top of the 

nut on the inner holes.

For plus configuration: Attach a blue arm to only the 

position on the plate marked with an arrow.

Top plate

Bottom plate

Next add the spacers that will hold the power distribution board in place. 

Using the four holes in the bottom plate shown across, align four 8 mm 

threaded spacers, and secure from the bottom using four 5 mm nylon 

bolts.

Slide the battery strap through the two slots in the bottom plate.

The top and bottom plates will form the main frame by attaching to your copter’s arms. 

Align plates in the orientation show below, and attach two blue arms to one end and two 

black arms to the other using the four pairs of holes as shown. 

Install motor collets

3

Motor collet assembly

25 mm bolt + arm + metal nut

Outer holes use:

4

Assemble legs

Leg assembly

Your Quad has four legs, each comprised of two 

landing gear pieces. To assemble each leg, align 

two landing gear pieces and attach through the 

three bottom holes using three 18 mm threaded 

spacers and six 5 mm nylon bolts.

For each hole, position spacer between holes, 

and secure from each side with nylon bolts. 

Repeat for all four legs.

Attach legs to arms with leg pointing toward 

motors. Align the two top holes in the leg with 

the two holes in the center of the arm. Insert 

two 25 mm bolts and secure with metal nuts.

25 mm bolts

18 mm 

spacers

Metal nuts

5 mm

nylon

bolts

Attach black arms here

Attach blue arms here

Inner holes use:

30 mm bolt + arm + metal nut + rubber washer

Bottom plate

5 mm nylon bolt + 8 mm spacer

Summary of Contents for Quad DIY Kit

Page 1: ...QUAD D I Y K I T S Thank you for purchasing a 3DR Quad DIY Kit These instructions will guide you through assembling and wiring your new autonomous multicopter ...

Page 2: ...th Deans or XT60 connectors Deans connectors male 4 6 position power module cable Phillips screwdriver small 5 5 mm 7 32 wrench Double sided foam mounting tape These instructions require some minor soldering If you re unfamiliar with soldering our friends at Sparkfun have some great tutorials that can get you started including this comic learn sparkfun com curriculum 42 For an example of exactly w...

Page 3: ...l bM3MA 5 mm bolts and lock washers Position holes in the bottom of the motor over the two small holes on either side of the larger hole in top in the of the arm Secure with two 5 mm steel bolts with a metal lock washer on each bolt by accessing through the two large holes in the bottom of the arm Thread the motor cables through the arm using the hole in the side of the arm Repeat for all four arm...

Page 4: ... slots in the bottom plate The top and bottom plates will form the main frame by attaching to your copter s arms Align plates in the orientation show below and attach two blue arms to one end and two black arms to the other using the four pairs of holes as shown Install motor collets 3 Motor collet assembly 25 mm bolt arm metal nut Outer holes use 4 Assemble legs Leg assembly Your Quad has four le...

Page 5: ...to the black wire Shrink tubing over connections Add heat shrink and align wires to correct plugs Deans to ESC Negative Black Positive Red Soldered connectors 3 Connect ESCs to motors and PDB The diagram below indicates the number of each motor Starting with the motor labeled 1 connect the ESC three wire cable to the corresponding position on the PDB pins M1 for motor 1 M4 for motor 4 etc with ora...

Page 6: ...nt APM to the top of the accessory plate For plus configuration Mount APM with arrow pointing toward blue arm Ensure arrow on APM points forward 3DR APM 2 6 2 6 3DR uBlox GPS with Compass Connect the 6 position to 5 position cable to the GPS 6 position port and to the APM GPS port use top entry port not side entry port Connect the 4 position cable to the GPS 4 position port and to the APM I2 C por...

Page 7: ...the four 30 mm spacers with the four holes in the accessory plate Secure accessory plate to spacers using four 5 mm nylon bolts APM plate Accessory plate 30 mm spacer 5 mm nylon bolt 4 Attach APM plate to top plate Now we ll attach the APM plate to the top plate The APM plate connects to the ends of the four 30 mm bolts securing the inside holes of the arms Place the four holes in the APM plate ov...

Page 8: ...ly secured is an important safety step Before flying use zip ties to secure ESCs to the frame Ensure that all wires are secured so that they cannot become entangled in spinning propellers but are not too tight around corners no hard 90 180 degree bends and do not pull on the APM or other components Always complete the pre flight checklist before takeoff copter ardupilot com wiki checklist Remove p...

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