Senrigan GP-55 3-Axis Brushless
Gimbal
(For 600 -1000 Size Multicopter)
Instruction Manual v1.1
12 February 2014
1
Content
1. Introduction …........................................................................... 3
-Features
-Specification
-Included
2 . Check list …............................................................................. 4
3 . Equipment Required For Assembly ….............................................. 6
4 . Assembly steps …...................................................................... 7
5 . Tuning Tips (when necessary............................................. .......... 7
6 . End of manual …...................................................................... 15
2
Introduction
Brushless Gimbal is the next generation technology for high quality aerial photography. Senrigan GP-55 Brushl
ess Gimbal is driven directly with two Brushless Motors for 3-axis movement roll, tilt and yaw without gears or
belts. The main advantages of this design compared to traditional actuators (servos) are the Brushless Gimbals
have no backlash in the gear/belt, and it provides the instantaneous response to the disturbance. Due to lack of g
ears/ belts, this new Brushless Gimbal is extrenely easy to install and with low weight which is perfect for aerial
activities. The lower the weight, the longer the flying time you can achieve.
Differ than others, the motors and Gimbal Controller of Senrigan GP-55 Brushless Gimbal have been well test a
nd tuned of the PID parameter for NEX N5/ N7 Cameras in the factory before selling. So no worries about the s
etting or PID tuning of the Brushless Gimbal. However, it is easy and convenience to change the setting (setup
Follow Mode etc.) of GP-55 since it is using the famous Gimbal Software called Alexmos which is one of the
most user friendly and functional software for brushless gimbals.
Features:
-Direct drive of Brushless Motors for 3-axis including Roll, Tilt and Yaw axis.
-Simple and strong Mechanism Design
-Made of CNC Metal Parts and full Carbon Fiber Frames which is super light and strong.
-Super Steady Performance with high quality Rubber Tension Damper Balls.
-High Quality 3-axis Alexmos Brushless Gimbal Controller with High Quality CNC Casing.
-Well tested and PID parameter tuned by the factory for NEX N5/ N7/ Similar size cameras.
-Controllable Tilt and Yaw Axis Movement.
-Suitable for Alware Cyclone X8/ DJI S800 multicopters
-Easy to install and use.
-Light in weight.
Specification:
-Movement: 3-axis, Roll, Tilt and Yaw
-Tilt control: Up 45°, Down 90°
-Yaw control: ±360° (360° mechanic continuous rotation)
-Working Voltage: 2S 7.4V Lipo JST Connector (default)
-Brushless Gimbal Controller Weight: 49g (With CNC case and wires)
-IMU Weight: 4.0g (With wires)
-Brushless Gimbal Motor Weight: 94g /Pcs
-Brushless Gimbal with Controller: 683g (Without Camera)
Included:
1x Senrigan GP-55 Brushless Gimbal
1x 3-axis Alexmos Brushless Gimbal Controller with High Quality CNC Casing.
1x IMU Unit
12x High Quality Rubber Damper Balls
1x Tilt and Yaw Controlling Connector
(Please be noted that Camera, Aircraft and Battery are not included.)
3
2. Check List
Please Check the Follow parts.
Senrigan GP-55 3-Axis Brushless Gimbal
packing box.
Open box.
Damper plate up *1
Damper plate down *1 (with big circle in
the middle.)
Top plate *1
Hex cap screws *4
Motor *3 Orange damper ball *12
4
Black Pieces *4
Camera nut *1
Scew pack *1
Black gimbal piece *6
Alu rods *4
Boom mount yellow piece set *4
Hex screws *8
M3 self-nuts *8
GP55 main control board with case *1
Cable *1
IMU cable *1
IMU with sticker *1
Update: V2 PCB and IMU Version
5
3. Equipment Required For Assembly
Sony Nex 5 / or Sony Nex 7
DJI S800 EVO kit / or Alware Cyclone X8 Octocopter
2S 800Mah (or above) battery with JST
connector
6
4 , Assembly Step :
**Always apply little amount of Threadlock when installing metal parts.
Use M3x5mm screw only, screw longer
then 5mm will damaged the motor!
M2.5x6mm Hex Cap Screw
M3x5mm Hex Cap Screw M2.5x6mm Hex Cap Screw
7
M2.5x6mm Phillip Flat Screw
Use M3x5mm screw only, screw longer
then 5mm will damaged the motor!
M3x5mm Hex Cap Screw
8
M2.5x6mm Hex Cap Screw M2.5x6mm Phillip Flat Screw
Use M3x5mm screw only, screw longer
then 5mm will damaged the motor!
9
M3x5mm Hex Cap Screw
M3x6mm Hex Cap Screw
10
Pan(Yaw): Motor A
Roll: Motor B
Pitch(Tilt) : Motor C
Wiring of Motor wires. IMU cable is not
suggested to pass through the motors.
This may affect the performance of the
gimbal.
Install the main control case on the X
mount (M2x16mm Hex Cap Screw).
Make sure you can see four set pin.
(make sure same as this picture.)
11
Connection Diagram for V2 PCB. V2 PCB can be stick on the mounting
frame with some double side tape will be fine.
Install four set yellow boom mount on
the X mount. (M2.5x23mm Hex Cap
Screw)
IMU board stick under the Camera plate.
12
For NEW IMU Cable, follow the
specific connection direction.
Insert all wire to main control board. Pan motor insert direct to main control
board. Link up the X mount with alu
rods. (M3x6mm Hex Cap Screw)
13
The Pan(+-360 degree) and Tilt(+45-90
degree) axis of GP-55 can be controlled
by using any two Free channels of your
receiver.
Finish assembly. Mount GP-55 to the Multicopters.
14
Tuning Tips
NEW
Specification for the Alexmos Controller with GP-55 Gimbal (V2 New Version):
Board: version 1.0 (8 bits)
Firmware: 2.40 b7
Tuning Software: (Alexmos) SimpleBGC GUI 2.40 b7
GP-55 included Licensed BaseCam SimpleBGC Controller
(Starting from version 2.1, firmware upgrade is possible from GUI.)
Alexmos websize dowlond 2.40 b7
http://www.basecamelectronics.com/files/SimpleBGC_GUI_2_40b7.zip
User manual: SimpleBGC_manual_2_4_eng
http://www.basecamelectronics.com/files/v10/SimpleBGC_manual_2_4_eng.pdf
http://www.basecamelectronics.com/downloads/8bit/
NOTE: The expansion board needs extra power supply to operate. When you are tuning gimbal connected to
PC, It can't get power supply from FTDI or USB, and therefore may not be recognized by the main board.
Default Setting of GP-55:
15
16
==============================================================================
Specification for the Simple Brushless Gimbal Controller with GP-55 Gimbal (First Version):
Board: version 1.0+3a
Firmware: 2.2 b2
Tuning Software: SimpleBGC GUI 2.2b2
GP-55 included Licensed BaseCam SimpleBGC Controller
(Starting from version 2.1, firmware upgrade is possible from GUI.)
Alexmos websize dowlond 2.2b2
http://www.basecamelectronics.com/files/v10/SimpleBGC_GUI_2_2b2.zip
User manual: SimpleBGC_manual_2_2_eng.pdf
http://www.basecamelectronics.com/downloads/
NOTE: The expansion board needs extra power supply to operate. When you are tuning gimbal connected to
PC, It can't get power supply from FTDI or USB, and therefore may not be recognized by the main board.
Default Setting of GP-55:
17
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End of Manual
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