Durafly Bonanza Manuale utente
INSTRUCTION MANUAL
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Durafly Bonanza.
“Throw it and show it”
Thank you for choosing the Durafly Bonanza. The Durafly Bonanza is part of our hand launch
and belly-landing RC plane series.
With the bonanza you will appreciate its practicality and perfect purpose build functionality.
Designed and made from lightweight EPO foam and being a small size the Durafly Bonanza is
perfect for the beginner to the seasoned flyer looking for a relaxing and enjoyable RC plane.
The build for the Durafly Bonanza is fast with a minimal build count meaning you’re in the air fast.
A basic glued joint for the tail, main wing and wingtip tanks.
Once built and all your checks are complete and battery charged your ready for your first flight in
the Bonanza!
When you take the parts of the protective packaging you will see the small assembles have been
completed for you.
The main fuselage has the motor, ESC and servos all preinstalled. Also, you will find the spinner
and propeller already preinstalled. (please be advised that the propeller is preinstalled please
confirm for your own safety and performance the propeller is balanced and secure)
(PLEASE REMOVE PROPELLER TO SET UP YOUR MODEL)
The wings have the servos and ball linked control surfaces already preinstalled.
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CONTENTS
1. Fuselage
2. Left Wing
3. Right Wing
4. Left tailplane
5. Right tialplane
6. Right wingtip tank
7. Left wingtip tank
(Also included is the required
hardware and plastic wing
support and metal wing spar.)
SPECIFICATIONS:
- Wingspan - 950mm (37.5")
- Length - 670mm (25.6")
- Flying weight - 540g
- Motor - 28mm 1300kv Brushless Outrunner motor
- ESC - 20A Electronic Speed Controller
- Servos - 9g Servos with Ball link connections
- Propeller - 7"x5" 2 bladed propeller
- Battery - 1100~1300mah Lipo battery
- CoG position - 70mm (+/- 5mm)
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3
5
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6
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3
Now let’s get to the build.
Please ensure the tail surfaces fit flush and aligned to the fuselage, please make sure the fit is
even and at the same level. Please dry fit these parts and make sure you are satisfied with the fit
and alignment prior to gluing these surfaces.
For this glue joint you can use a foam safe CA glue or Foam safe contact adhesive. Once this
joint has been glued set it aside for the glue to cure.
Step 1. - Glue the tail surfaces to the fuselage.
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Please use a servo tester or your Transmitter and bound receiver to check the servo alignment
for your aileron servos. If by chance they are not adjusted correctly please adjust to suite.
Using the supplied metal wing spar, please make sure you dry fit the spar with the left and right
main wing sections to make sure they fit flush and you have the correct dihedral on the wing.
Once you are happy with the fit please glue the main wing together with either foam safe CA glue
or Foam safe contact adhesive.
Please glue the front wing plastic attachment piece and the rear plastic
support for the wing screws.
Like always before using any permanent glue make sure all the parts fit and align. Test fit the
wing screws to the fuselage and make sure all sections fit correctly.
Once glued together please set the main wing aside for the glue to cure.
Step 2. – Main wing
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After the glued areas have cured now its time to attached the main wing to the fuselage.
Connect the “Y-lead” servo extension to the left and right aileron servo leads. Please make sure
you have connected this lead with the correct polarity.
Attach the main wing to the fuselage by aligning the two plastic dowels keying them into position,
then make sure your servo wire is pulled through the corresponding hole in the fuselage.
Then simply push the bottom of the wing to meet the fuselage for a flush fit. Now use the two
screws to connect the wing to the fuselage.
Attach the left and right wingtip with foam safe CA glue or Foam safe contact adhesive.
The Durafly bonanza has a unique V-tail, with all V-tail the right and left servos control the
rudder and elevator separately, Using a programmable transmitter with a V-tail option does all
the inputs for you.
With the servos centred on all controls (Elevator, rudder and ailerons) attach the ball link
connections with a pair of Ball link pliers or similar tool. Please ensure you use just enough
force for the ball link to click into place ensuring you do not damage the ball or cup.
Step 3. – Main wing connection
Step 4. - Attach Ball link Controls
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Your Durafly Bonanza is built and now you are ready to set up the model for it’s maiden flight.
Using the correct battery we recommend a 1300 mah 3S Lipo battery (although you can use a
battery from sizes ranging from 1100mah~2200mah.)
Please for safety please remove the propeller and Bind your transmitter to your receiver, plug in
the servo connections to the connection points on your receiver (please be mindful of polarity)
Now connect your flight battery. Once connected you can check the rotation of the motor and
operation of the servos.
You may need to adjust the ball link controls for your flying surfaces.
Check the balance of the propeller and attach the spinner backing plate, propeller, washer,
propeller nut, spinner and tighten the two spinner screws.
The most important part to flying is the balance of the RC airplane. To nose or tail heavy and
your model can be very unconfutable to fly or even be out of control from the first flight.
To aid you we have determined a Centre of Gravity (CoG) position that makes the Durafly
Bonanza perform to it’ s best.
Step 5. – Model set up
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The CoG is 70mm (+/- 5mm) from the front wing joint back to just in front of the main wing spar.
please see image below.
Of course this is our recommendation you can adjust this CoG position to suite your flying style.
Control throws – We suggest you set up the Durafly Bonanza with 10mm of distance from centre
to maximum travel on all control surfaces. We also suggest you add 30% expo to the elevator
control and 25% Expo to the Aileron and rudder controls.
Once again this is only a guide please feel free to set up the controls that best suites you and
your flying style.
Like all aircraft they all stall at a certain point and putting large throws and low expo on the
elevator control can accentuate a stall very radically. If you have enough altitude nearly all stalls
can be recovered.
CoG
80mm
80mm
(+/- 5mm)
8
Before you fly please check your controls and make sure you double check!
Left is left, Right is right, up is up and down is down. With a v-tail please check the direction of
the rudder and make sure left is left and right is right.
Now you’re ready to “Throw it…”
The Durafly Bonanza is a hand launched RC airplane, If you are unsure of hand launching your
plane please find someone who can assist with launching your plane.
With your hand on top of the plane just behind the battery hatch apply ¾ to full throttle and
underarm throw the bonanza. It only needs a gentle yet firm throw to get her in the air.
Once airborne simply climb to a safe altitude to adjust your trim to get the Bonanza Flying
straight and level on ¾ throttle.
If your plane is not flying well land and adjust your bonanza where it needs adjusting.
Once you have your Bonanza flying well it will perform like a gem. Able to fly all your moves from
rolls loops to slow flybys. The Bonanza is a jackpot.
When it comes to landing line up your plane with the landing area (hopefully a flat grassed area)
using your elevator to control pitch, throttle to control descent and rudder for direction simply
glide the Bonanza home.
Your maiden is now over the sweating is over. Time to charge your batteries and really have fun
with the Bonanza. “Throw it and Show it” please the crowds and yourself with this amazing RC
plane from Durafly.
FLYING TIPS
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