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1. Even though the FlatOuts Extra 300S is small, lightweight
and flies slowly, if it is not assembled and operated correctly
it could possibly cause injury to yourself or spectators and
damage property.

2. Build the plane according to the instructions. Do not alter
or modify the model, as doing so may result in an unsafe or
unflyable model.

3. Use an R/C radio system and components that are in first-
class condition. The FlatOuts Extra 300S requires
specialized radio gear. Refer to 

DECISIONS YOU  MUST

MAKE” to get an accurate description of the specialized
gear required.

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

5. You  must test the operation of the model before every
flight to insure that all equipment is operating, and that the
model has remained structurally sound. Be sure to check
connectors often and replace them if they show signs of
wear or fatigue.

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

If you’re not already an AMA (Academy of Model
Aeronautics) member, we highly recommend that you join.
In addition to providing liability protection while operating
under the AMA Safety Code, the AMA is the governing body
of model aeronautics in the United States and fights for your
rights as member of the modeling community. You must also
be an AMA member to fly at R/C clubs chartered by the
AMA–most of which are. Contact the AMA at the address or
toll-free phone number below.

Academy of Model Aeronautics

5151 East Memorial Drive

Muncie, IN 47302-9252

Tele. (800) 435-9262

Fax (765) 741-0057

Or via the Internet at:

http://www.modelaircraft.org

In the hands of a capable pilot the FlatOuts Extra 300S is an
impressive 3-D performer. But for the Extra 300S to perform
to its full potential, it must be properly equipped with all the
right gear (servos, batteries, receiver, speed control). There
may be more than one type and brand of radio equipment
that can be used, but based on extensive testing, following
is the equipment we recommend so you can get the most
performance out of your Extra 300S and assemble it as
shown in this instruction manual.

With a standard, four-channel radio, the FlatOuts Extra 300S is
capable of all the basic 3-D maneuvers. However, some
advanced pilots who are already familiar with handling “flat
foamies” may prefer to fly the Extra 300S with a computer radio
capable of endpoint adjustments (for fine-tuning control throws),
exponentials (for “softening” the throws near the center of the
travel), and various mixing functions (such as rudder-to-elevator
mixing for extended knife-edge flight).

The FlatOuts Extra 300S requires three 

sub-micro servos with a

maximum weight of 9g [.3 oz] each and a minimum torque rating
of 15 oz-in. Futaba

®

S-3108M (micro connector) servos

(FUTM0700) are ideal because they meet the torque and weight
requirements and have a micro connector that is compatible with
the Futaba 

Ultra Micro receiver. Although there may be other

servos that will physically fit in the model, those outside the
recommended weight and torque specifications will adversely
affect flight performance and are not recommended. Note:
During assembly when it’s time to mount the servos, you will be
instructed to glue them in. Do not be alarmed as this is a
common practice with this type of lightweight, high-performance
model. Should servo removal ever be necessary for repair,
replacement or transfer to another model, this can be done by
prying them out with a hobby knife or a small screwdriver.

The lightest four-channel receiver is recommended and must be
compatible with whatever servos will be used (not all servos are
compatible with all receivers–even servos and receivers within
the same brand). The Futaba R-124F 

Ultra Micro receiver is

recommended and is compatible with the 3108M servos
recommended. Note: Futaba receivers are sold on high and low
bands and come without crystals. Following are the order
numbers for the R-124F receiver and compatible crystals:

Low Band 

High Band

(Channels 11-35)

(Channels 36-60)

R124F Receiver

FUTL0438

FUTL0439

Crystal

FUTL62**

FUTL63**

**Replace the “**” in the order number for the crystals with

the preferred channel number. For example, if you want to 
fly on channel 33, order a low band receiver and crystal
number FUTL6233.

Receiver

Servos

Transmitter

DECISIONS YOU MUST MAKE

AMA

Note: We, as the kit manufacturer, provide you with a top
quality kit and great instructions, but ultimately the quality and
flyability of your finished 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.

3

Summary of Contents for Extra 300S ARF

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: ...to the FlatOuts Extra 300S ARF visit the Great Planes web site at www greatplanes com Open the Airplanes link then select the FlatOuts Extra 300S ARF If there is new technical information or changes...

Page 3: ...sic 3 D maneuvers However some advanced pilots who are already familiar with handling flat foamies may prefer to fly the Extra 300S with a computer radio capable of endpoint adjustments for fine tunin...

Page 4: ...st assured the FlatOuts Extra 300S is capable of 3 D flight with the included ElectriFly stick mount motor and gearbox combination But for pilots who always insist on upgrading and don t mind spending...

Page 5: ...Photographed 3mm Plywood Firewall Hook Loop Mounting Material O Rings 2 Gearbox Motor Block Plastic Tree Parts A1 Z Bend Clevis 10 A2 Offset Z Bend Clevis 4 B1 Stand Alone Control Horn 5 B2 Stand Alo...

Page 6: ...e 800 637 6050 Parts may also be ordered directly from Hobby Services by calling 217 398 0007 or via facsimile at 217 398 7721 but full retail prices and shipping and handling charges will apply Illin...

Page 7: ...tom of the hinge remain flush with the top and bottom of the control surface you are hinging IMPORTANT Avoid getting any CA on the tube or the arms of the clips The clips must rotate freely on the tub...

Page 8: ...ator D Once the glue has cured remove the tape 6 Cut the elevator halves free of the sheet 7 Join the elevators to the stab by snapping the clip hinges to the joiner tube 8 Insert an A1 Z bend clevis...

Page 9: ...w on this assembly will be referred to as the fuselage tube 3 Slide an E2 fuselage joiner two F3 fuselage servo mounts and another fuselage joiner onto the fuselage tube With the tube doubler forward...

Page 10: ...previous Expert Tip glue three C2 clip hinges and a C1 clip hinge control horn to the rudder using the 3 x 118mm 1 8 x 4 5 8 rudder post tube as a guide 10 Remove the rudder post tube from the rudder...

Page 11: ...mount and glue the servo mount into the precut opening in the wing Slide the wing into the slot in the bottom of the vertical fuselage Center the wing using the notches in the LE and TE as a guide Onc...

Page 12: ...arallel with the stab and horizontal fuselage and perpendicular to the vertical fuselage Once you are satisfied with alignment secure the landing gear legs with a drop of glue on both sides of each jo...

Page 13: ...to the rudder and not to the rudder post The bracket needs to pivot on the rudder post 1 Glue the elevator servo into the front servo mount in the left side of the fuselage The output shaft should be...

Page 14: ...of the clevis where it pivots in the arm or horn 8 Select two single sided servo arms to fit the elevator and rudder servos you are using Insert an A1 Z bend clevis into the outer hole of each arm Use...

Page 15: ...s in this section If you are installing a firewall mounted system proceed to Firewall Mounted Motor Systems on page 16 1 The 10 x 10 x 22mm hardwood motor mount block must be mounted in the correct or...

Page 16: ...s included in the propeller packaging into the rear of the propeller hub 7 Secure the prop to the prop saver with one of the included O rings 8 Connect your speed control to the motor and receiver Mou...

Page 17: ...firewall should be mounted so that the thrustline is offset 9mm below the center of the fuselage tube 5 Mount the motor to the firewall using the hardware supplied with your motor 6 Mount a propeller...

Page 18: ...ste but helps many pilots balance the extreme throws needed for 3 D flying with the need to make small corrections when in normal flight We recommend setting up your airplane according to the followin...

Page 19: ...to combust violently Ground check the operational range of your radio before the first flight of the day With the transmitter antenna collapsed and the receiver and transmitter on you should be able t...

Page 20: ...other side for spectators Only personnel involved with flying the aircraft are allowed at or in the front of the flight line Intentional flying behind the flight line is prohibited 4 I will operate my...

Page 21: ...e tail comes up gently apply up elevator to break ground and climb out Full throttle takeoffs are necessary only for extremely short runways When flying a 3 D aerobat like the Extra 300S ARF there are...

Page 22: ...______________ Where Purchased _________________________ Date Construction Started __________________ Date Construction Finished _________________ Finished Weight __________________________ Date of Fi...

Page 23: ...cycle and constantly display battery capacity voltage current and time as each cycle progresses Then imagine that the charger which can do all this is about the size of a thick paperback book and wei...

Page 24: ...Po park flyer batteries or peak charge 1 8 cell NiCd or NiMH radio packs Auto trickle for NiCds and NiMH packs is automatically set based on the fast charge rate Hook up the pack press the start butto...

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