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FUTABA CGY750 Instruction Manual
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FUTABA CGY750 Instruction Manual

Flybarless control gyro
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T
C
ABLE OF
ONTENTS
:
Gyro
:
Governor

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Summary of Contents for FUTABA CGY750

  • Page 1 ABLE OF ONTENTS Gyro Governor...

  • Page 2: Warranty

    EPAIR ERVICE (IN U.S.A.) www.futaba-rc.com or www.hobbyservices.com Fax (217)-398-7721, Tel (217) 398-0007 ONTENTS Type of set SET CONTENTS CGY750 Control Amp *Mini Screwdriver *Dust Covers (x3) Gyro Sensor Futaba Service Center *Mounting Pads (x3) 3002 N Apollo Drive Suite 1...

  • Page 3: Specifications

    Once the initialization process has been completed the swash servos and tail servo will move several times indicating that the CGY750 is now ready for flight. PECIFICATIONS...
  • Page 4 Gyro Sensor Even though the CGY750 is a high performance gyro and governor, it will be necessary to ensure Important that the helicopter mechanics are also in optimum operating condition.
  • Page 5 (7) E2 2nd ELE Output: (8) RUD Output: Connection to the receiver, servos and sensors Using the CGY750 with a electric helicopter DANGER It is necessary to remove the pinion gear from the electric motor or disconnect the motor from the ESC before powering the model up for setup or bench testing.
  • Page 6 OVERNOR NSTALLATION Sensor Magnet Cooling fan 1-2mm Magnet (Embedded in cooling fan.) Center of sensor is offset. Sensor (Attached to engine flange through a stay.) Sensor case 3.7mm 3.7mm Magnet operating side check Sensor Magnet OVERNOR USELAGE ETTING RECAUTIONS Throttle servo linkage precautions Governor Basic Setting Cooling fan modi cation Fuselage vibration countermeasures...

  • Page 7: Opening Screen

    FIRST MAP Home screen DATA MODE Push Push +/– key +/– key Thin line Thick line shows DATE. shows MODE. (Basic) (Expert) Maximum RPM Gyro (RUD) Engine runtime Gyro (AIL) OLED Setting Gyro (ELE) Operating mode Swash Maximum Roll Rate Governor Maximum elevator rate MODE...

  • Page 8: Warning Display

    This is done to warn you that the battery voltage is dangerously low and that you must land immediately. 1. Maximum RPM Governor Memory writing indicator WARNING Do not power off the CGY750 when the Memory writing symbol is dis- 2. Engine runtime Governor played. 3. OLED display options [default: Saver] ETTING...
  • Page 9 ASIC ETTING S.BUS BASIC MAP WARNING (1) S.Bus connection setting: start display MODE Push +/– key Setting ranges common: 1 ~ 16ch, DG1, DG2, INH (2) S.Bus setting: Aileron channel [default: 1ch] (3) S.Bus setting: Elevator channel [default: 2ch] (4) S.Bus setting: Throttle channel [default: 3ch] (5) S.Bus setting: Rudder channel [default: 4ch] (6) S.Bus setting: Pitch channel [default: 6ch] (7) S.Bus setting: AIL gain channel [default: 9ch]...
  • Page 10 WASH ASIC ETTING (1) Start display SWASH BASIC MAP. 1 3 MODE Push +/– key (2) Swash type [default: H3-120] WARNING DATA Push +/– key (Confirmation screen) (3) Servo type [default: Analog] WARNING DATA Push +/– key DATA Push (4) Helicopter Presets [default: 600-700] +/–...
  • Page 11 WASH ASIC ETTING SWASH BASIC MAP. 2 3 MODE Push +/– key (8) Swash AFR (rate adjustment) [default: 50%] NOTE: (9) Swash ring [default: 130%] (10) Aileron direction setting (11) Elevator direction setting (12) Pitch low setting [default: 1940μS] (13) Pitch zero setting [default: 1520μS] (14) Pitch high setting [default: 1100μS]...
  • Page 12 WASH ASIC ETTING SWASH BASIC MAP. 3 3 (15) F/F mixing rate setting [default: 0] MODE Push +/– key FF Mixing rate table Note. (16) Phase equalizer [default: off] NOTE: (17) Rotational equalizer [default: off] (18) Equalizer direction [default: normal] same direction (19) Rotational tracking [default: 0%] Rrturn to SWASH BASIC MAP.
  • Page 13 H3-90 H4-00 ELE2 H4-45 Normal ILERON / LEVATOR ETUP Finishing the setup: ELE2 Using the Remote Gain Functions (roll, pitch and yaw) Swash Servo installation Setting the CGY750 gains by using endpoints or manual adjust- ments WARNING Manual gain adjustment...
  • Page 14 ILERON / LEVATOR ASIC ETTING AIL /ELE GYRO BASIC MODE Push +/– key (1) Start display (2) Gyro direction [default: Normal] DATA Push WARNING +/– key DATA Push +/– key (3) Gyro gain [default:100%, ranges:0~120%] (4) Gyro working mode [default: CMT] DATA Push +/–...
  • Page 15 UDDER ASIC ETTING RUD GYRO BASIC MAP Navigate to the [RUD.Gyro].Basic menu MODE Push +/– key (1) Start display Read and follow step (2) [RUD.Gyro].Ba- ServoType (2) Servo type [default: DG:1520] WARNING DATA Push +/– key DG 760: BLS276SV, BLS251SB, BLS251, S9256, S9251 DG 1520: BLS254, BLS257, S9254, S9257 Follow step (3) [RUD.Gyro].Basic (3) Gyro direction [default: Normal]...
  • Page 16 OVERNOR ASIC ETTING Servo limit point setting GOVERNOR BASIC MAP. 1 2 MODE Push +/– key (1) Start display (2) Revolution setting [range: 700 ~ 4000 rpm] (3) Gear ratio [default: 8.00, range: 1 ~ 50] Gyro+THR, H4-00/H4-45. (4) Pole number [default: 2p, range: 2p ~ 24p] Gyro+THR, H4-00/H4-45.
  • Page 17 OVERNOR ASIC ETTING GOVERNOR BASIC MAP. 2 2 MODE Push +/– key (7) Governor on/off switch [default: Inhibit] DATA Push Gyro+THR, +/– key H4-00/H4-45. (8) Battery failsafe setting [default: Inhibit] DATA Push + key DATA Push - key (9) Yaw rate compensation [default: CW/TOP] DATA Push + key...
  • Page 18 OVERNOR PEEED ETTING The following operations do not indicate trouble: When engine speed rises above the set speed: “S.BUS Basic Setting” Throttle operation speed and ON/OFF point: “Governor Basic Setting” Direct set by transmitter on Gov. mixing Deviation from set speed: WARNING Using by 3position switch Governor Basic Setting...

  • Page 19: Tuning Guidelines

    UNING UIDELINES GY 750 Trim ight: Rudder gyro adjustments:...
  • Page 20 UDDER XPERT ETTING RUD GYRO EXPERT MAP 1/2 MODE Push +/– key (1) Rudder gyro expert setting: start display (2) Rudder servo neutral setting [default: 0 μS] [ranges: -140μS ~+140 μS] (3) Gyro basic gain [default: 100%] [ranges: 50% ~ 120%] (4) Rudder exponential [default:-60% (Sports-AVCS), -40% (Sports-Normal), -20% (3D- AVCS), -20% (3D-Normal)] [ranges: -100% ~ +100%] DATA...
  • Page 21 UDDER XPERT ETTING RUD GYRO EXPERT MAP 2/2 (13) Rudder histeresis [default: 7 μS] [ranges: 0 μS ~ 50 μS] MODE Push +/– key (14) Gain tracking [default: 0%] [ranges: -20% ~ +20%] DATA Push +/– key (15) F/F mixing [default:off ] (16) F/F mixing rate [default: 0%] [ranges: -100% ~ +100%] (17) F/F mixing acceleration gain [default: 0%] [ranges: 0 ~ 200%] DATA...
  • Page 22 NEGATIVE values soften control feel; POSITIVE values sharpen control feel. Note that any exponential present in the TRANSMITTER adds to the value set in the CGY750. Exponential may be individually set for both AVCS (AVC) and NORMAL (NOR) cyclic gyro modes.
  • Page 23 WASH XPERT ETTING SWASH EXPERT MAP 1/2 (1) Swash expert setting: start display MODE Push +/– key ***Note: Items (2)-(15) and how to adjust are described in detail in the Linkage Compen- sation Section that follows the Swash Expert Setting section.*** (2) PIT AIL mixing rate [default: 100%] [ranges: 30% ~ 150%] (3) PIT ELE mixing rate [default: 100%] [ranges: 30% ~ 150%] (4) PIT ELE2 mixing rate [default: 100%] [ranges: 30% ~ 150%]...
  • Page 24 WASH XPERT ETTING SWASH EXPERT MAP 2/2 MODE Push +/– key (16) Swash rotation [default: 0 deg] [ranges: -90 deg ~ +90 deg ] (17) Pitch Aileron F/F mixing [default: 0 %] [ranges: -100 % ~ +100 % ] (18) Pitch Elevator F/F mixing [default: 0 %] [ranges: -100 % ~ +100 % ] (19) Elevator Aileron F/F mixing [default: 0 %] [ranges: -100 % ~ +100 % ] (20) Aileron Elevator F/F mixing [default: 0 %] [ranges: -100 % ~ +100 % ] DATA...
  • Page 25 OVERNOR XPERT ETTING GOVERNOR EXPERT MAP 1/2 MODE Push (1) Governor Expert setting: start display +/– key (2) Governor working mode [default: Governor] DATA Push Gyro+THR, +/– key H4-00/H4-45. DATA Push Gyro+THR, (3) Revolution display mode [default: Rotor] +/– key H4-00/H4-45.
  • Page 26 OVERNOR XPERT ETTING GOVERNOR EXPERT MAP 2/2 MODE Push +/– key (9) Start delay [default: 5] [ranges: 2 ~ 20] Gyro+THR, H4-00/H4-45. (10) Governor ON revolution setting [default: 60%] [ranges: 50% ~ 90%] (11) Low limit at hovering [default: 25%] [ranges: 0% ~ 80%] (12) Low limit at idle up [default: 45%] [ranges: 10% ~ 80%] (13) Battery F/S voltage setting [default: 3.8V] [ranges: 3.5V ~ 7.5V ] DATA...
  • Page 27 ©...