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PROTECT YOUR  MODEL, YOURSELF 

& OTHERS...FOLLOW THESE 

IMPORTANT SAFETY PRECAUTIONS

1. Your PBY Catalina should not be considered a toy, but 
rather a sophisticated, working model that functions very 
much like a full-size airplane. Because of its performance 
capabilities, the PBY Catalina, if not assembled and operated 
correctly, could possibly cause injury to yourself or spectators 
and damage to property.

2. You must assemble the model 

according to the instructions

Do not alter or modify the model, as doing so may result in an 
unsafe or unfl yable model. In a few cases the instructions may 
differ slightly from the photos. In those instances the written 
instructions should be considered as correct.

3. You must take time to build 

straight

true

 and 

strong

.

4. You must use an R/C radio system that is in fi rst-class 
condition, and a correctly sized motor and components 
throughout the building process.

5. You must correctly install all R/C and other components so 
that the model operates correctly on the ground and in the air.

6. You must check the operation of the model before 

every

 

fl ight to insure that all equipment is operating and that the 
model has remained structurally sound. Be sure to check 
clevises or other connectors often and replace them if they 
show any signs of wear or fatigue.

7. If you are not an experienced pilot or have not fl own 
this type of model before, we recommend that you get the 
assistance of an experienced pilot in your R/C club for 
your fi rst fl ights. If you’re not a member of a club, your local 
hobby shop has information about clubs in your area whose 
membership includes experienced pilots.

We, as the kit manufacturer, provide you with a top quality, 
thoroughly tested kit and instructions, but ultimately the 
quality and fl yability of your fi nished model depends 
on how you build it; therefore, we cannot in any way 
guarantee the performance of your completed model, 
and no representations are expressed or implied as to 
the performance or safety of your completed model.

Remember: Take your time and follow the instructions to 
end up with a well-built model that is straight and true.

LITHIUM BATTERY

HANDLING & USAGE

WARNING!!

 Read the entire instruction sheet included with 

the battery. Failure to follow all instructions could cause 
permanent damage to the battery and its surroundings, and
cause bodily harm!

•  ONLY use a LiPo approved charger. NEVER use a NiCd/

NiMH peak charger!

•  NEVER charge in excess of 4.20V per cell.
•  ONLY charge through the “charge” lead. NEVER charge 

through the “discharge” lead.

•  NEVER charge at currents greater than 1C.
•  ALWAYS set charger’s output volts to match battery volts.
•  ALWAYS charge in a fi reproof location.
•  NEVER trickle charge.
•  NEVER allow battery temperature to exceed 150° F (65° C).
•  NEVER disassemble or modify pack wiring in any way or 

puncture cells.

• NEVER discharge below 2.5V per cell.
•  NEVER place on combustible materials or leave unattended 

during charge or discharge.

• ALWAYS KEEP OUT OF REACH OF CHILDREN.

DECISIONS YOU MUST MAKE

This is a partial list of items required to fi nish the PBY Catalina 
that may require planning or decision making before starting 
to build. Order numbers are provided in parentheses.

Radio Equipment

  4-Channel Radio (such as the Futaba

®

 4EXA)

  Micro Receiver (If you choose to, a standard size receiver 

will fi t in the radio compartment)

  Two S3103 Micro-Mini Servos (FUTM0037) for the ailerons 

(or an equivalent servo with 17 oz-in of torque and servo 
case dimensions of 0.9" x 0.4" x 0.8" [22 x 11 x 20mm])

  Two S3110 Micro Servos (FUTM0046) for the elevator and 

rudder (or an equivalent servo with 22 oz-in of torque and servo 
case dimensions of 0.9" x 0.4" x 0.8" [22 x 11 x 20mm])

  Two 6" [150mm] Servo Extensions (HCAM2701 for Futaba)

  Two Servo Y-Harnesses (HCAM2751 for Futaba)

Motor, Speed Control and
Battery Recommendation

  Two RimFire Brushless 28-30-950 Motors (GPMG4560)

  Two ElectriFly SS-25 Speed Controls (GPMM1820)

  One Deans U Parallel ESC adapter (GPMM3141)

  ElectriFly Power Series Lithium Polymer Battery.

2100mAh 11.1 Volt (GPMP0617), 3200mAh 11.1 Volt 
(GPMP0623) or equivalent

  ElectriFly PolyCharge

 4 Battery Charger (GPMM3015)

Summary of Contents for ElectriFly PBY Catalina

Page 1: ...to the place of purchase To make a warranty claim send the defective part or item to Hobby Services at the address below Hobby Services 3002 N Apollo Dr Suite 1 Champaign IL 61822 USA Include a lette...

Page 2: ...del of this famous twin engine airplane For the latest technical updates or manual corrections to the ElectriFly PBY Catalina visit the Great Planes web site at www greatplanes com Open the Airplanes...

Page 3: ...as to the performance or safety of your completed model Remember Take your time and follow the instructions to end up with a well built model that is straight and true LITHIUM BATTERY HANDLING USAGE W...

Page 4: ...llows The fastest most economical service can be provided by your hobby dealer or mail order company To locate a hobby dealer visit the Great Planes web site at www greatplanes com Choose Where to Buy...

Page 5: ...re written in the Kit Contents list Great Planes Product Support 3002 N Apollo Drive Suite 1 Champaign IL 61822 Telephone 217 398 8970 ext 5 Fax 217 398 7721 E mail airsupport greatplanes com KIT CONT...

Page 6: ...the LE of the aileron and the wing The gap should be small just enough to see light through or to slip a piece of paper through Be sure the aileron moves freely up and down Once you are satisfied wit...

Page 7: ...position the servo arm as shown and then center the aileron With a fine tip marker mark the wire where it aligns with the outer hole of the servo arm Make a 90 degree bend on the mark Cut the wire so...

Page 8: ...lug the color coded motor wires into the extensions Slide the heat shrink over the connection making sure the heat shrink covers the brass connectors in a way that will not allow any metal to metal co...

Page 9: ...e using two 4 40 x 1 1 4 32mm socket head cap screws in the front mounting holes and two 4 40 x 3 4 19mm socket head cap screws in the rear mounting holes When installing the wing be sure all of the w...

Page 10: ...the rudder in place onto the fuselage 8 Locate the water rudder and notice the flat spot on the side of the wire The rudder wire will serve as the hinge for the lower half of the rudder Slide the wat...

Page 11: ...the last hole in the servo arm with a 57 drill Install an aluminum screw lock connector into the hole and lock it in place with a nylon retainer Install a set screw into the screw lock connector Inst...

Page 12: ...hten the set screw against the wire 7 Install a screw lock connector into the outer hole of a control horn Slide the screw lock connector onto the pushrod wire Examine this picture taking note of the...

Page 13: ...10 Read the instructions that came with your speed control to become familiar with the connections and the motor arming sequence Once you are familiar with the operation of the speed control turn on y...

Page 14: ...n the control surfaces have remained centered Adjust if necessary You should make any adjustments to the servos and the servo arms now In a future step you will be installing the blisters over the ope...

Page 15: ...he item it holds in place with a hobby knife or hobby putty knife Hold the blisters in place with masking tape until the glue has dried Clean any excess glue from the fuselage with a damp cloth before...

Page 16: ...y it for many flights DO NOT OVERLOOK THIS IMPORTANT PROCEDURE A model that is not properly balanced will be unstable and possibly unflyable At this stage the model should be in ready to fly condition...

Page 17: ...possibly with disastrous effect but vibration may also damage your radio receiver and battery Vibration can also cause your fuel to foam which will in turn cause your motor to run hot or quit We use...

Page 18: ...in accordance with the frequency sharing agreement listed in the complete AMA Safety Code 9 Under no circumstances may a pilot or other person touch a powered model in flight nor should any part of th...

Page 19: ...rottle back once the plane gets to a comfortable altitude While full throttle is usually desirable for takeoff this model flies more smoothly at reduced speeds Take it easy with the PBY Catalina for t...

Page 20: ...outputs can charge a one to four cell Lithium Polymer pack It s ideal if you don t have the time for one at a time charging and don t want the expense and hassle of multiple chargers Each output can...

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