E-FLITE BLADE CX2 Specifications Download Page 34

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Gyro Gain Trimmer Pot Description and Adjustment

The.“gain”.trimmer.pot.adjusts.the.gain.setting.value.of.the.piezo.gyro.used.to.aid.in.keeping.the.tail.of.the.

helicopter.straight/on.heading.during.flight .

Gain Trimmer Pot

•. The.gain.value.is.set.too.high.if.the.tail.of.the.helicopter.twitches/bounces.quickly.from.side.to.side.when.in.

hover ..If.this.is.case.for.your.model,.reduce.the.gyro.gain.in.small.increments.until.the.tail.of.the.helicopter.no.

longer.twitches/bounces.from.side.to.side.in.hover .

Turn the gyro gain trimmer pot counterclockwise (-) to decrease gyro gain.

•. The.gain.value.is.set.too.low.when.the.tail.of.the.helicopter.feels.“loose”.during.flight,.requiring.constant.left.and.

right.rudder.inputs.to.maintain.heading.when.in.hover ..If.this.is.the.case.for.your.model,.increase.the.gyro.gain.in.

small.increments.until.few,.if.any,.left.and.right.rudder.inputs.are.required.to.maintain.heading .

Turn the gyro gain trimmer pot clockwise (+) to increase gyro gain.

Note: When adjusting the gyro gain trimmer pot, the changes will take effect without the need to power

down and re-arm the -in-1 unit. However, please exercise extreme caution when adjusting the gyro

gain trimmer pot with the model armed to prevent personal injury or damage to the model.

Summary of Contents for BLADE CX2

Page 1: ...tor Diameter 13 60 in 345mm Weight RTF w Battery 8 0 oz 227 g Main Motor 180 2 installed Battery 7 4V 800mAh Li Po included Transmitter 2 4GHz DSM 5 Channel included On Board Electronics 4 in 1 Receiver Mixer ESC Gyro installed Servos S60 Super Sub Micro 2 installed ...

Page 2: ...13 Installing the Flight Battery 14 Center of Gravity 15 Control Test 16 4 in 1 Control Unit Description Arming and Motor Control Test 20 Installing the Optional Training Gear 23 Understanding the Controls 26 Choosing a Flying Area 30 Flying the Blade CX2 30 Main Motor Proportional Mix Trimmer Pot Description and Adjustment 32 Gyro Gain Trimmer Pot Description and Adjustment 34 Upper Main Rotor Bl...

Page 3: ...n Lithium Polymer Batteries Lithium Polymer batteries are significantly more volatile than alkaline or Ni Cd Ni MH batteries used in RC applications All manufacturer s instructions and warnings must be followed closely Mishandling of Li Po batteries can result in fire Always follow the manufacturer s instructions when disposing of Lithium Polymer batteries Warranty Period Horizon Hobby Inc Horizon...

Page 4: ...re and or place of purchase cannot provide warranty support or repair Once assembly setup or use of the Product has been started you must contact Horizon directly This will enable Horizon to better answer your questions and service you in the event that you may need any assistance For questions or assistance please direct your email to productsupport horizonhobby com or call 877 504 0233 toll free...

Page 5: ...ng address Horizon Product Support 4105 Fieldstone Road Champaign Illinois 61822 Please call 877 504 0233 with any questions or concerns regarding this Product or warranty Additional Safety Precautions and Warnings As the user of this product you are solely responsible for operating it in a manner that does not endanger yourself and others or result in damage to the product or the property of othe...

Page 6: ...the applicable regulations governing a radio transmitter in the 2 400 GHz to 2 4835 GHz frequency range The associated regulatory agencies of the following countries recognize the noted certifications for this product as authorized for sale and use USA Canada Belgium Denmark France Finland Germany Italy Netherlands Spain Sweden UK Additional Required Equipment No additional equipment is required t...

Page 7: ...r Test the controls Install the optional Training Gear Set EFLH1205 strongly recommended if this is your first helicopter model Familiarize yourself with the controls Find a suitable area for flying Flying Checklist Please note this checklist is not intended to be a replacement for the content included in this instruction manual Although it can be used as a quick start guide we strongly suggest re...

Page 8: ...ng or using the included Li Po battery you assume all risks associated with lithium batteries If you do not agree with these conditions return your complete Blade CX2 model in new unused condition to the place of purchase immediately You must charge the included 7 4V 800mAh 2 cell Li Po battery pack in a safe area away from flammable materials Do not charge the battery when installed in the helico...

Page 9: ...cause a fire Do not over discharge the battery Discharging the battery too low can cause damage to the pack resulting in reduced performance and duration Li Po cells should not be discharged to below 3V each under load In the case of the 2 cell Li Po packs used for the Blade CX2 you will not want to allow the battery to fall to below 6V during flight The Blade CX2 4 in 1 control unit does not feat...

Page 10: ...ximately 1 2 1 5 hours In some cases the charge time may be shorter depending on the actual amount of capacity left in the pack after a flight NEVER charge the battery unattended Note The Li Po battery pack included with your Blade CX2 will arrive partially charged For this reason the initial charge may only take approximately 30 50 minutes The charger requires up to 1 5 amps of 11 5 to 15 Volt DC...

Page 11: ...ith two LED indicators marked RED and GREEN on the label These LEDs indicate the following also found on the label of the charger Red Flashing LED Only Input power with no battery connected Red and Green Solid LED Battery connected and charging Red Solid LED Only Charge complete Red and Green Flashing LED Charge error ...

Page 12: ... on the charger The connector is keyed to prevent reverse polarity connection Note Do not force the connector on the Balance Charge Lead into the connector labeled 11 1V on the charger Doing so could result in damage to the battery pack and charger and could result in a fire When the battery is properly connected and charging normally the red and green LED indicators will glow solid Once the batte...

Page 13: ... allow the charge process to begin In this case the battery may have been over discharged due to flying the model too long For more information on preventing over discharge of the Li Po battery pack see the guidelines section found on page 9 or that a single cell or even all cells in the battery pack may be damaged If after several charging attempts you continue to see this charge error indication...

Page 14: ...re leads can be tucked neatly inside of the body If you choose to install the loop material on the end of the battery without the wire leads it will be easier to install the battery in the model but the power leads red and black leads with red JST connector will need to be placed outside of the body The battery can be installed through the opening in the rear of the body Be sure to install the end...

Page 15: ...icopter s center of gravity If the helicopter is not properly balanced it can be difficult to control and constantly try to move forward or backward in hover To check the center of gravity lift the helicopter by the stabilizer flybar with the flybar positioned perpendicular to the tail section of the body Make sure that the helicopter balances level If it does not confirm that the battery has been...

Page 16: ... and handling Before proceeding disconnect both of the main motor plugs from the 4 in 1 control unit making note of their direction and polarities for proper re installation after the control test is complete It is not safe to perform the control test with the main motor plugs connected to the 4 in 1 control unit after power up Turn the transmitter on first then plug the battery into the battery l...

Page 17: ...Move the right hand control stick on the transmitter forward and back to check elevator pitch control When the stick is pushed forward the rear servo should push the swashplate upward When the stick is pulled back the rear servo should pull the swashplate downward ...

Page 18: ...e right hand control stick on the transmitter left and right to check aileron roll control When the stick is pushed to the left the forward servo should push the swashplate upward When the stick is pushed to the right the forward servo should pull the swashplate downward ...

Page 19: ...t you may also check the servo connections on the receiver side of the 4 in 1 unit These should be positioned as follows when viewing the helicopter from behind AIL Channel Forward aileron servo ELE Channel Rear elevator servo Once you have confirmed that the servo connection locations are correct all controls should be functioning properly If you do encounter any problems with your Blade CX2 resp...

Page 20: ... status LED Motor Plugs Antenna Wire Antenna Wire Main Motor Proportional Mix Trimmer Pot Status LED Gain Trimmer Pot If you should ever need to access the 4 in 1 unit usually only required if making adjustments to the gyro gain or main motor proportional mix trimmer pots as outlined on pages 32 34 you can do so by removing the front body canopy from the helicopter This is accomplished by sliding ...

Page 21: ...ht following repairs you will also want to center the rudder aileron and elevator trims Throttle Trim Elevator Trim Set Throttle Trim and Throttle Stick at Lowest Position Rudder Trim Aileron Trim After confirming that the transmitter has been turned on and has an adequate level of battery power as displayed by the LCD screen at the top of the transmitter it is now safe to connect the flight batte...

Page 22: ...tion Once you have confirmed that the transmitter and receiver are properly bound the 4 in 1 unit should now arm normally If your 4 in 1 unit will not arm after following the guidelines as listed above contact Horizon Hobby s Product Support staff at 877 504 0233 Once you have placed the helicopter in a safe area to test motor control free from obstructions and are clear of the rotor blades you ca...

Page 23: ...alls installed four training gear rod to landing skid attachments four screws and one training gear rod mounting base Locate the four training gear rod to landing skid attachments and four screws Note that there are two each of two types of attachments Carefully snap two of the attachments onto the landing skids forward of the landing skid struts The side of the attachment with the large hole shou...

Page 24: ...chments will need to be adjusted for proper alignment once the training gear rods are installed Locate the four training gear rods and rod mounting base Note that the rod mounting base has four channels into which the training gear rods will mount The open side of these channels will face upward toward the bottom of the helicopter when properly installed Carefully pass each of the rods through the...

Page 25: ... inward under pressure of the training gear rods With the attachments rods and base properly positioned you can now tighten the attachment screws until they are just snug Take care when tightening the screws to prevent stripping the backside of the attachments Adjust the position of the tubing keepers and plastic balls on the training gear rods so that the balls are positioned approximately 1 8 fr...

Page 26: ...ause the model to descend Throttle Trim Descend After lifting the model off the ground you can balance the throttle by carefully moving the left hand stick up and down so that the model will hold a stationary hover without climbing or descending You can also use the throttle trim to adjust the throttle value for a given stick position For example raising the throttle trim will allow the model to h...

Page 27: ...n shaft This is accomplished by increasing the speed of the upper main rotor blade while decreasing the speed of the lower main rotor blade Rudder Trim Nose Yaws Right The rudder trim can be used to help keep the nose of the helicopter from rotating to the left or right when in hover with no rudder stick input For example if the nose of the helicopter drifts to the right when in hover add left rud...

Page 28: ...e stick backward will pitch the nose of the helicopter upward allowing the helicopter to be flown backward Elevator Trim Helicopter Moves Backward The elevator trim can be used to help keep the helicopter from drifting forward or backward when in hover with no elevator stick input For example if the helicopter drifts forward when in hover pull the elevator trim downward until the helicopter hovers...

Page 29: ...to be flown to the right Aileron Trim Helicopter Slides Right The aileron trim can be used to help keep the helicopter from drifting left or right when in hover with no aileron stick input For example if the helicopter drifts to the right when in hover add left aileron trim until the helicopter hovers as level as possible with no drifting to the right Once you have become familiar with the control...

Page 30: ...e CX2 requires minor throttle adjustments to maintain its altitude in hover Remember to keep these throttle adjustments as minimal as possible as large adjustments could result in a loss of control and or a possible crash While attempting to establish a low level hover you can also check to see if any trim adjustments are required to help keep the Blade CX2 from constantly drifting in various dire...

Page 31: ...er both the throttle left hand stick and throttle trim to their lowest possible position as quickly as possible to prevent damage to the ESCs of the 4 in 1 unit Failure to lower both the throttle stick and throttle trim to their lowest possible positions in the event of a crash could result in damage to the main motor ESCs in the 4 in 1 unit which may require replacement of the 4 in 1 unit Note Cr...

Page 32: ...rim sub trim to help prevent the nose from drifting to the left or right when in hover Main Motor Proportional Mix Trimmer Pot In a stable hover with the rudder trim centered and no rudder control input note toward which direction the nose of the helicopter is trying to drift If the nose of the helicopter is drifting to the left you will want to increase power to the right hand motor spinning the ...

Page 33: ...ix trimmer pot on the 4 in 1 unit Note Be sure to use the proper size and type of screwdriver to carefully make adjustments to the trimmer pot Use of the improper size and type of screwdriver or too much force can damage the trimmer pot Also be sure to take your time when making adjustments to the proportional trimmer pot as it may only require very slight adjustment to achieve the desired level o...

Page 34: ...immer pot counterclockwise to decrease gyro gain The gain value is set too low when the tail of the helicopter feels loose during flight requiring constant left and right rudder inputs to maintain heading when in hover If this is the case for your model increase the gyro gain in small increments until few if any left and right rudder inputs are required to maintain heading Turn the gyro gain trimm...

Page 35: ...Main Rotor Blade This linkage allows you to adjust the tracking of the upper main rotor blade for smoother and more stable flight performance You can check the upper main rotor blade tracking either on the ground or in the air at eye level It might be a good idea to have an assistant on hand to help sight the blade tracking Once the main rotor blades have been brought up to speed note whether the ...

Page 36: ... of the adjustable linkage in turn the ends of the linkage back out one half to one full turn at a time If the tracking then gets better continue to turn the ends of the linkage out one half to one full turn at a time until the tips are tracking in the same plane Typically not much adjustment should be necessary to properly track the tips of the upper main rotor blade However due to the small size...

Page 37: ...lable for use in controlling a variety of potential optional features including actuation of an additional servo or certain electronic components It allows full proportional control of the 5th channel from approximately 0 100 travel The knob can be operated in either direction for control You can use either the most clockwise or most counterclockwise position for 0 or 100 travel and you will achie...

Page 38: ...38 50 Travel 100 Travel ...

Page 39: ...hannels but throttle will go to the fail safe positions that were stored during the binding process while the throttle channel will not generate a pulse in order to prevent the ESC s from arming Note Because the SmartSafe positions are set during the binding process it is important to set all channels to the preferred fail safe positions before proceeding In the case of the Blade CX2 we strongly r...

Page 40: ...itter on When you connect the flight battery to the 4 in 1 unit with the bind plug inserted into the BAT opening on the receiver you will see an orange LED blink rapidly on the receiver itself Once the orange LED on the receiver begins to blink turn on the transmitter The transmitter will immediately enter bind mode Then once the orange LED on the receiver and the red LED on the transmitter turn s...

Page 41: ...l find the performance and life of the 180 main motors to be very good however installation of the optional Main Motor Heat Sink EFLH1208 can help to further improve motor cooling during flight resulting in improved motor performance and longer motor life Installing the main motor heat sink takes only a few minutes following these steps Installation of the main motor heat sink will require that yo...

Page 42: ...eness of the heat sink The wider end of the heat sink more fins must be placed toward the front of the helicopter You can now press the right hand main motor into place in the heat sink and use the motor mounting screws to re install the motor on the main frame Again we recommend that you use Heat Sink Compound EFLM1913 on any surfaces of the heat sink that make contact with the motor case to furt...

Page 43: ...nt of which all flying takes place with the other side for spectators Only personnel involved with flying the aircraft are allowed at or in front of the flight line Intentional flying behind the flight line is prohibited 4 I will operate my model using only radio control frequencies currently allowed by the Federal Communications Commission Only properly licensed Amateurs are authorized to operate...

Page 44: ...ng Skid Set BCX 2 EFLH1223 Battery Support Set BCX 2 EFLH1225 Hardware Set BCX 2 EFLH1226 Body Mount Rod Grommet Set BCX 2 EFLH1242 Inner Shaft w Head Hub BCX 2 EFLH1243 Inner Shaft Main Gear BCX 2 EFLH1254 Main Frame Set BCX2 EFLH1255 Front Body Canopy BCX2 EFLH1256 Rear Body BCX2 EFLH1257 Complete Body Set BCX2 Optional Parts List EFLH1205 Training Gear Set BCX 2 EFLH1208 Main Motor Heat Sink BC...

Page 45: ...nes w o Decals BCX 2 Servo Pushrod Set BCX 2 Stabilizer Flybar Set BCX 2 180 Motor w 8T 0 5M Pinion Right BCX 2 AC to 12VDC 1 5 Amp Power Supply 6 0 Gram Super Sub Micro S60 Servo Bind Plug BCX2 Main Motor Heatsink BCX 2 Training Gear Set BCX 2 Shaft Retaining Collar Set BCX 2 Outer Shaft and Main Gear Set BCX 2 4 in 1 Control Unit Receiver ESC Mixer Gyro 2 4GHz BCX2 Mounting Accessories and Screw...

Page 46: ...FLH1210 Pinion Gear Right 1 EFLH1211 023 Servo Mount 1 EFLH1254 024 Body Mount Rod 2 EFLH1226 025 Super Sub Micro Servo 2 EFLRS60 026 1 7 x 4mm Screw 8 EFLH1225 027 Bearing 4mm x 8mm x 3mm 2 EFLH1215 028 Servo Pushrod 2 EFLH1218 029 4 in 1 Control Unit 1 EFLH1024 030 Main Frame 1 EFLH1254 031 M2 x 4mm Screw 6 EFLH1225 032 Front Body 1 EFLH1255 033 Rear Body 1 EFLH1256 034 Outer Shaft Main Gear 1 E...

Page 47: ...47 Exploded View 033 031 030 026 025 024 019 023 016 013 015 017 018 020 028 027 021 022 029 032 014 012 011 010 009 005 004 001 002 003 006 007 008 044 040 038 034 035 036 037 039 041 042 043 ...

Page 48: ... 2006 Horizon Hobby Inc 4105 Fieldstone Road Champaign Illinois 61822 877 504 0233 www E fliteRC com 9515 ...

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