Komodo KH-283 Manuel utilisateur

Komodo Hobby

Building Instruction

Manual

KH -283 Outrunner Motor Kit Version 2

(Stick Style)

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Introduction

Congratulations on your purchase of KH-283 Outrunner Motor Kit Version 2. KH-283 V.2 is a modified

motor kit designed for powering 3D and Aerobatics RC airplanes. Modelers can choose either back

mount style or stick style to meet the airplane requirement.

KH-283 V.2 powered with 2mm thickness curved NdFeB magnets. It delivers excellent acceleration for

hovering and performing aggressive 3D aerobetic maneuvers. By the latest design of 9 degrees

magnet gap, the motor can be started-up and run smoothly.

KH-283 V.2 motor kit includes high quality hardened steel main shaft and pre-assembled precision

end-bell and flux ring. Those parts are produced by advanced technology. It allows the motor running

at high rpm without vibration. Motor builders can utilize three-screw lock system to install and change

main shaft without gluing. If you are a serious motor builders or modelers, Komodo Outrunner Motor kit

is the only choice for you.

Warning

Radio Control Model and Outrunner Motor Kit are not toy!!! It contains sophisticated small parts and is

designed for hobby use only. All parts of this outrunner motor kit have to be assembled and operated

with great care. Outrunner motor can produce very high power to turn gear or spin propeller. It is

capable of causing property damage and all bodily harm to operator or spectators. If you are a

beginner of motor builder, please seek assemble and operational help from experienced motor builder.

Be caution!!!

If this outrunner motor kit is not assembled and operated properly, it can destroy your electronic speed

control, receiver, batteries and relevant equipment completely.

Parts List

(QTY) Items

(1) Pre-pressed End-Bell and Flux Ring

(2) 23.8mm Stator

(2) Ball Bearings

(1) 3.17mm Hardened Steel Shaft

(1) 40feets, AWG 23 Enameled Magnet Wire

(12) NdFeB Curved Magnets

(1) Propeller Saver

(2) Propeller Saver Replacement Rings

(1) O’ring

(3) Connector Pairs (Male and Female)

(7) Shrinking Tubes

(3) M3 x 4 Screws

(2) M3 x 8 Screws

(1) C-Clip

(1) Bearing Tube

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1. Marks color to magnets

2. Place magnets inside the bell

Use marker to mark different color to North Pole

and South Pole.

First, place six South Pole magnets inside the bell

and aligned it with six vent holes. Then, use a drop

of CA to secure the position of magnet.

Second, place six North Pole magnets in between

South Pole magnets. Use a small clip to adjust the

magnets until all magnets placed evenly. Then, use

a drop of CA to secure the position of magnet.

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3. Insert Bearing Tube into Two Stators

First, put Loctite to the whole area of bearing tube

shoulder.

Second, insert the bearing tube into two stators until the

bearing tube shoulder touch the edge of stator.

Third, align the stator teeth and wait for the Locitite dry.

After the Locitite dry, you can go to the next step, Winding.

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4. Winding

It is an example of using three individual magnet wires to complete a 3-phases

system. We recommend beginners to wind 10turns for their first motor. For

experienced motor builders, they can wind more or less turns to get different

potential power. Note: Since the last turn is not a complete circle, you need to

wind 11times to get 10turns’ power. Make sure that every coil has same number

of windings.

Diagram of winding system of 9-pole stator

S1 S2

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Phase 1

Phase 2

Step (1): Remain 7-8cm long magnet wire for

connection use afterward.

Use magnet wire “S1” to start to wind

11times in clockwise direction at tooth No.1.

Wind from the hub to the outer edge of

hammerhead then back to the hub.

Step (2):Jump to tooth No. 4 and start to wind

11times in clockwise direction as step (1).

Step (3):Jump to tooth No. 7 and start to wind

11times in clockwise direction as step (2).

Step (4):Cut the magnet wire “S1”. This ending of

wire will be called “E1” in the following

steps. Note: Remain 7-8cm long magnet

wire for connection use.

Step (5): Remain 7-8cm long magnet wire for

connection use afterward.

Use magnet wire “S2” to start to wind

11times in clockwise direction at tooth No.2.

Wind from the hub to the outer edge of

hammerhead then back to the hub.

Step (6): Jump to tooth No. 5 and start to wind

11times in clockwise direction as step (5).

Step (7): Jump to tooth No. 8 and start to wind

11times in clockwise direction as step (6).

Step (8): Cut the magnet wire “S2”. This ending of

wire will be called “E2” in the following

steps. Note: Remain 7-8cm long magnet

wire for connection use.

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Phase 3

3. Remove the coating of magnet wires

Step (9): Remain 7-8cm long magnet wire for

connection use afterward.

Use magnet wire “S3” to start to wind

11times in clockwise direction at tooth

No.3. Wind from the hub to the outer edge

of hammerhead then back to the hub.

Step (10): Jump to tooth No. 6 and start to winds

11times in clockwise direction as step (9).

Step (11): Jump to tooth No. 9 and start to wind

11times in clockwise direction as step (10).

Step (12): Cut the magnet wire “S3”. This ending of

wire will be called “E3” in the following

steps. Note: Remain 7-8cm long magnet

wire for connection use.

When you finish the winding steps above, you have 6

endings of magnet wire attached to coils. Use a shape

model knife to scrape off the coating of these six magnet

wires.

Then, it is necessary to check any short between

magnet wire and stator metal, and need to check any

short between magnet wires, S1, S2 and S3. If you find

any short between them, please be patience to rewind

them again.

Note: your Electronic Speed Controller, Receiver and

Battery can be destroyed by part defect of windings.

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4. Solder magnet wires to Delta or Wye system

Now, you can make you own decision to solder the magnet wires to either Star

(wye) or Delta system.

Star vs Delta

9Star (wye) system gives more torque and uses fewer amps.

In Star system, 1.73 less turns needs to be wound to get the same power and

Kv as DELTA system does.

9Delta system gives 1.73 higher power and amps draw compare to STAR

system.

In Delta system, the Kv is 1.73 higher than Star system while the Kt (Torque)

is 1.73 lower

Star (wye) system

6 5

Solder E1, E2 & E3

Together

S1 S2

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5. Insert three soldered wires to Shrinking Tubes

6 5

Delta System

Solder

E3 to S1

Solder

E1 to S2 Solder

E2 to S3

Now, you have three soldered

wires attached to coils. Insert

those soldered wires into

shrinking tubes for insulating.

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6. Place ball bearings to bearing tube.

7. Insert a main shaft to endbell and put the wound stator into the bell.

8. Put a c-clip to the slot of main shaft.

9. Place three screws at the end-bell.

Put a C-clip to the slot of main shaft to secure whole

motor system.

Place three M3 x 4 screws to end bell to secure the

position of main shaft. Each screw must be turned a

bit by each time until all screws tighten up.

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