Goblin 420 - Transmission Setup; Some Example Configurations

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Some example configurations:

TRANSMISSION SETUP

It is important to choose the right reduction ratio to maximize efficiency based on your required flight performance.

It is possible to optimize any motor and battery combination.

It is recommended to use wiring and connectors appropriate for the currents generated in a helicopter of this class.

If you are using a head speed calculator which requires a main gear and pinion tooth count, use

120

teeth for the main gear and

the tooth count of your pulley as the pinion count.

Below is a list of available reduction ratios:

H0501-19-S - 19T Pinion = ratio 6.3:1 H0501-22-S - 22T Pinion = ratio 5.5:1

H0501-20-S - 20T Pinion = ratio 6:1 H0501-23-S - 23T Pinion = ratio 5.2:1

H0501-21-S - 21T Pinion = ratio 5.7:1 H0501-24-S - 24T Pinion = ratio 5:1

The Goblin 380 accepts a wide selection of batteries with different capacities. The suggested number of cells is 6.

All batteries from 1800 to 2600 mAh offer good performance.

CONFIGURATION

Motor ESC Motor Pulley RPM Max Pitch

X-NOVA

2820-890

Scorpion

HK 3020-1000

KDE

500XF 925-G3

X-NOVA

3215-930

CC Lite 100 21T 3100

20T 3100

19T 3100

12.5

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Note: For safety reasons we suggest to not exceed 3400 RPM.

Kontronik

Pyro 380-9

HW 80 - HW 100

Jive 80 - YGE 100

HW 80 - HW 100 19T-

20T

3200-

3350

CC Lite 100 20T-

21T

3100-

3250

Jive 80 - YGE 90 18T-

19T

3250-

3400

CC Lite 100 22T-

23T

3100-

3250

HW 80 - HW 100 21T-

22T

3250-

3400

Jive 80 - YGE 90 20T-

21T

3250-

3400

12.5

Page 14

Chapter 10, Installation Of The Motor

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Goblin 420 - Transmission Setup; Some Example Configurations

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