Mystery MY8A Manual

Brushless electronic speed controller

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High power systems for RC model can be very dangerous and we strongly suggest that you read this manual carefully. ZTW
Model have no control over the use, installation, application, or maintenance of these products, thus no liability shall be
assumed nor accepted for any damages, losses of costs resulting from the use of this item. Any claims arising from the
operating, failure or malfunctioning etc. will be denied. We assume no liability for personal injury, property damage or
consequential damages resulting from our product or our workmanship. As far as is legally permitted, the obligation for
compensation is limited to the invoice amount of the product in question.
The Mystery ESC's high power BEC has been specifically designed for extreme aerobatics and therefore has the capability to
support the higher momentary peak demand loads to eliminate the possibility of unwanted shutdowns, and is also capable of
supporting continuous simultaneous multiple servo operations typically found in CCPM equipped hardcore 3D E-helicopters.

Wires Connection:

The speed controller can be connected to the motor by soldering directly or with high quality connectors. Always use new
connectors, which should be soldered carefully to the cables and insulated with heat shrink tube. The maximum length of the
battery pack wires shall be within 6 inches.
Solder controller to the motor wires.
Solder appropriate connectors to the battery wires.
Insulate all solder connectors with heat shrink tubes.
Plug the "JR" connector into the receiver throttle channel.
Controller Red and Black wires connects to battery pack Red and Black wires respectively.

Specification:

Type
MY8A
MY12A
MY20A
MY30A
MY40A BEC
MY40A SBEC
MY50A BEC
MY50A SBEC
MY50A OPTO
MY60A SBEC
MY70A SBEC
MY85A BEC
MY85A SBEC
MY85A OPTO
MY110A OPTO LV
MY100A OPTO HV
Thank you for purchasing
Cont.
Burst
Current (A)
Current(A)
10 sec.
8A
10A
12A
16A
20A
30A
30A
40A
40A
60A
40A
60A
50A
70A
50A
70A
50A
70A
60A
80A
70A
90A
85A
100A
85A
100A
85A
100A
110A
120A
100A
120A
Mystery
Brushless Electronic Speed Controller(ESC).
Battery cell
Weight
NiXX/Lipo
(g)
5-12 NC \ 2-4 Lipo
10
5-12 NC \ 2-4 Lipo
10
5-12 NC \ 2-4 Lipo
20
5-12 NC \ 2-4 Lipo
25
5-12 NC \ 2-4 Lipo
25
5-18NC \ 2-6 Lipo
30
5-12NC \ 2-4 Lipo
30
5-18NC \ 2-6 Lipo
30
5-18 NC \ 2-6 Lipo
30
5-18NC \ 2-6 Lipo
35
5-18NC \ 2-6 Lipo
35
5-12 NC \ 2-4 Lipo
47
5-18NC \ 2-6 Lipo
47
5-18 NC \ 2-6 Lipo
47
5-18 NC \ 2-6 Lipo
75
16-32NC\5-10Lipo
75
1
BEC
Size (mm)
Output
W*L*H
5V / 1A
21 x 22 x 4
5V / 1A
21 x 22 x 4
5V / 2A
23 x 33 x 6
5V / 2A
23 x 43 x 6
5V/ 3A
23 x 43 x 6
5.5V / 4A
23 x 52x 7
5V / 3A
23 x 52x 6
5.5V / 4A
23 x 52x 7
23 x 52x 6
5.5V / 4A
23 x 52x 14
5.5V/4A
23 x 52x 14
5V /3A
34 x 52x 14
5.5V /4A
34 x 52x 14
34 x 52x 14
34 x52 x 20
34 x52 x 20
User
Program
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes
yes

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Summary of Contents for Mystery MY8A

  • Page 1 The Mystery ESC’s high power BEC has been specifically designed for extreme aerobatics and therefore has the capability to support the higher momentary peak demand loads to eliminate the possibility of unwanted shutdowns, and is also capable of supporting continuous simultaneous multiple servo operations typically found in CCPM equipped hardcore 3D E-helicopters.
  • Page 2 Features: ◆ Extremely low internal resistance ◆ Super smooth and accurate throttle linearity ◆ Safety thermal over-load protection ◆ Auto throttle shut down in signal lose situation ◆ Supports high RPM motors ◆ Power arming protection (prevents the motor from accidentally running when switched ON) ◆...
  • Page 3 4. Restore factory setup defaults: Restore- Sets the ESC back to factory default settings; Brake : Battery type Detect : LiPo with Automatic Cell Low voltage cutoff threshold : Medium (3.0V/65%) Timing setup : Automatic Soft Acceleration Start Up : Medium Governor mode :...
  • Page 4 9.Switching Frequency : 8kHz/16kHz * 8kHz – Sets ESC switching frequency for 2 pole motors, e.g. in-runners. * 16kHz – Sets ESC switching frequency for motors with more than 2 poles, e.g. out-runners. Although 16kHz is more efficient with our Thrust motors, the setup default is 8kHz due to the higher RF noises caused at 16kHz.
  • Page 5 Alert Tones The ZTW ESC is equipped with audible alert tones to indicate abnormal conditions at power up. If ESC can't enter into working mode after powering up, it indicates that you have not setup throttle calibration. 2. Continuous beeping tone (****) – Indicates that throttle stick is not in the minimum position. 3.
  • Page 6 Entering the Programming Mode: 1. Switch your Transmitter ON and set the throttle to its maximum position. 2. Connect the battery pack to the ESC. 3. Wait until you hear two short beeps (_ _**) confirming that the ESC has now entered the programming mode. 4.
  • Page 7 Trouble Shooting Trouble Possible Reason Action there are Motor doesn’t work, but audible tones automatically The ESC throttle calibration has not set up. throttle detection of the number of cells after calibration. powering up ESC. Motor doesn’t work and no audible tone Poor/loose Connection between battery Clean connector terminals or emitted after connecting the battery.
  • Page 8 Over sized motor or Prop down or resize the motor prop Shenzhen Sudan Yuanda Model Co.,Ltd Address: Room 805, 8F, Economic Building, Huaqiang Road North, 518053, Shenzhen, China TEL: (86)755-82796646 (86)755-82798347-812 FAX: (86)755-82796134 WEBSITE: www.777model.com www.777model.cn www.999binoculars.com Email: mystery@777model.com MSN: sudan.mystery@hotmail.com mystery@777model.com...

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