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reduce the ground speed that must be reached and automatically provide “ heading assist ” making steering 
and takeoff easier. Slowly advance the throttle, adding rudder correction as needed to keep the model rolling 
straight. When the plane become “ light ”continue to apply throttle until you are at full power all this will happen 
in  a  few  seconds.  When  sufficient  liftoff  speed  has  been  reached,  gradually  apply  “up  ”elevator  allowing  the 
model to leave the ground. Do not “ yank ” up on the stick rather, be smooth and allow the plane to establish a 
gentle climb.

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!

Once  you  have  reached  a  safe  flying  speed  at  a  comfortable  altitude  (approximately  50’  [15m]),  work  the 
controls as necessary to establish a gentle turn away from the runway.

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Hand-Launch

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!

Until you have become efficient at flying your plane, always use an assistant to hand-launch your model. 

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!

Have your assistant hold the model by the bottom of the fuselage. When both of you have signaled “ready ”, 
advance  the  throttle  to  full  power. Your  assistant  should  run  a  few  steps  with  the  plane  held  high  above  his 
head, and then give the model a swift, but controlled toss at a level, or slightly nose - up attitude.Initially, the 
model  will  gently  ascend,  but  within  a  few  seconds  it  will  reach  enough  speed  to  climb.  Gently  add  “  up  ” 
elevator to establish the climb.

!

!

Once  you  have  reached  a  safe  flying  speed  at  a  comfortable  altitude  (  approximately  50’  [15m]  ),  work  the 
controls as necessary to establish a gentle turn away from the runway.

!

!

Flying

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!

One thing to remember is that, when the plane is flying away from you, moving the aileron stick to the right will 
make the plane bank to your right.

However, when the model is flying toward you, moving the aileron stick to the right will make the plane move to 
your left. Of course, the plane is still responding the same way, it’s just that your orientation has reversed. This 
must be kept in mind while learning to fly (and is also a good reason to take flight lessons from an experienced 
pilot!).

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!

To establish a turn, “ up” elevator( pulling back on the stick ) is usually required along with aileron input to get 
the model into a bank. To stop the turn, apply a small amount of opposite aileron.

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!

Once you get the plane into the air and have climbed to a comfortable altitude, the first “order of business” will 
be to “trim” the model for straight - and - level flight. The model flies best at approximately 3/4-throttle. Adjust 
the trims on the transmitter to make minor control surface adjustments as necessary until the plane will fly

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straight without any control inputs. Often, your assistant can reach over and adjust the trims for you.

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!

Remember to keep the model high enough to give yourself time to make corrections, but don’ t let it get too far 
away. Otherwise, it will be difficult to detect its attitude and which way it is going.

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!

One final check before landing: see how the model will react when it’s time to land and you cut the power. To 
do this, while still at altitude, cut the motor power.The model should establish a gentle, downward glide path.

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!

This is how the model will react when it’s actually time to land. Add power and climb back up to your original 
altitude.Try again, this time adding flaps.

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!

To climb, add throttle and immediately take the flaps back out. Practice a few of these “ climb and glides ” to 
judge how far out you will need to be when its time to land.

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RANGER EX — Professional FPV Platform

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Summary of Contents for RANGER EX

Page 1: ... 8 in 2000mm Length 46 5 in 1180mm Motor 3715 1000KV out runner Brushless motor Servo 9g servo 4pcs Metal Gear 9g Servo 2pcs Battery 11 1V 2200mAh 25C Li Po or above SEE YOUR WORLD FROM A NEW PERSPECTIVE PROFESSIONALFPV PLATFORM ...

Page 2: ... to read and follow all the instructions and warnings in the manual prior to assembly setup or use in order to operate correctly and avoid damage or serious injury RANGER EX Professional FPV Platform 2 16 As the user of this product you are solely responsible for operating in a manner that does not endanger yourself and others or result in damage to the product or the property of others Always kee...

Page 3: ...store the battery in a temperature range of 40 120o F 5 49o C Do not store battery or aircraft in a car or direct sunlight If stored in a hot car the battery can be damaged or even catch fire Always charge batteries away from flammable materials Always inspect the battery before charging and never charge damaged batteries Always disconnect the battery after charging and let the charger cool betwee...

Page 4: ...PA2 5 7 Connect the push rod to the servo horn and make sure the surface flat 3 Install the servo horn by screws PB2 15 2 4 Install the Rudder and Elevator as shown in the image and fix it by screws PA2 5 8 6 1 Install the wheel by a screw PM4 30 2 with nuts as shown in the image below 2 Install the landing gear to the corresponding gap under the fuselage and fix it by two screws PM3 15 2 ...

Page 5: ...o backward 9 Fix the motor to the nylon plate by 4pcs screws KM3 6 4 10 Fix the nylon plate into the corresponding gap of the motor tower and fix both side together by screws PA2 5 8 5 11 Install the servo horn as shown in the image and fix it by screw PA2 15 2 12 Insert a short tube into the push rod then connect it to the servo arm 13 Install the servo arm to the servo and fi x i t b y s c r e w...

Page 6: ... threaded end of the metal pushrod so you can insert the pin in the OUTERMOST hole on each control horn It may be helpful to insert a flat blade screwdriver not included into the clevis then carefully twist it until it disengages the pin from the hole in the clevis Also it is not necessary to snap the clevis back together until the centering adjustments are complete After connecting the clevises t...

Page 7: ...he trim lever slightly as needed Also it will likely be necessary to make further adjustments to the position of the trim lever during flight as most surfaces do not end up in exactly the centered position when an airplane is trimmed properly for actual flight but centered is still the best starting point Follow the same steps outlined for centering the rudder to center the elevator as well Also w...

Page 8: ...e model flight If the C G is too far aft tail heavy the model will be too responsive and difficult to control If the C G is too far forward nose heavy the model will be too stable and not responsive enough In order to obtain the C G specified add weight to the fuselage or move the battery position Check the C G before flying RANGER EX Professional FPV Platform 8 16 ...

Page 9: ...ammable materials to observe it for at least 15 minutes Continuing to charge or discharge a battery that has begun to balloon or swell can result in a fire A battery that has ballooned or swollen even a small amount must be removed from service completely Store the battery partially charged approximately 50 charged 3 85V per cell at room temperature approximately 68 77 Fahrenheit F and in a dry ar...

Page 10: ...cally best however it will take some careful management of the charge time and the use of a voltmeter to achieve this voltage If you have the equipment and skills to achieve the 50 charge level for storage it is recommended If not simply be sure to not store the battery fully charged whenever possible In fact as long as the battery will be stored at approximately room temperature and for no more t...

Page 11: ...r and the servos work normally CAUTION Make sure that you must turn on the transmitter firstly and then you can connect the battery plug If you want to turn off the transmitter you must ensure that the battery of the plane must be cut off first RANGER EX Professional FPV Platform 11 16 ...

Page 12: ...ot to test fly and properly trim the model before attempting your first flight A proven flyable and properly trimmed model is significantly easier and more enjoyable to fly Please contact your local hobby shop and or flying club to find a more experienced pilot near you After you ve properly trimmed the airplane in calm conditions and become familiar with its handling capabilities you ll be able t...

Page 13: ...ption would be to try another range check at an alternate flying site After the range check fully extend the antenna Monitor and limit your flight time using a timer such as the one on your wrist watch When the batteries are getting low you will usually notice a performance drop before the ESC cuts off motor power so when you notice the plane flying slower you should land Often but not always powe...

Page 14: ...ll make the plane bank to your right However when the model is flying toward you moving the aileron stick to the right will make the plane move to your left Of course the plane is still responding the same way it s just that your orientation has reversed This must be kept in mind while learning to fly and is also a good reason to take flight lessons from an experienced pilot To establish a turn up...

Page 15: ...er once you have become more experienced with your plane you can cruise around and perform slow fly bys with the flaps extended CAUTION If during a rough landing the propeller becomes jammed and cannot rotate the battery and speed control will become very hot if you attempt to add power Immediately move the throttle down to stop the motor If you fail to do this the motor speed control and or batte...

Page 16: ... 2014 VolantexRC Co Ltd ...

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