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Fei Bao Hawker Hunter
Thank you for buying our large scale Hawker Hunter, which has been developed to be quick to
assemble and a pleasure to own and fly. The Hunter is a large, heavy and sophisticated model and as
such it is vital that great care and attention is taken during assembly to ensure a safe and reliable
airframe. You have invested a significant sum in your model so it is false economy to use any items
to complete the aircraft that are not of the quality required; this covers everything from adhesives,
through turbine, radio equipment and on-board power supplies etc. If at any point during the
assembly you are in any doubt about the next step to take please contact the dealer where you
purchased your Hunter – turbine powered models are not the place for guesswork!
It is highly recommended that you carefully inspect all parts of your Hunter before starting assembly,
if there appear to be any faulty parts or items missing please contact your dealer for
advice/replacement. If you have not built a large scale turbine model until now we suggest that you
find a local modeller who has and ask them to act as a mentor/second pair of eyes, to ensure the
model is assembled to the highest standards.
Be aware that depending on the turbine being used, the on-board radio equipment, batteries being
used etc that the model will probably weigh more than 20Kg without fuel, or 25 Kg with fuel, and
that certain countries have restrictions or procedures in place for models over these limits. If you are
unsure of the regulations in place in your country please contact your national modelling authority
for guidance.
When the model is ready to fly we strongly suggest finding a site with a long hard surface runway,
even if this means travelling some distance. Many models have been destroyed on their first flight
due to a take-off or landing incident on a short runway, often due to overshooting on the first
landing, when a turbine takes several seconds to accelerate from idle to full power. Having a long
runway available eliminates this risk and reduces the stress level on the pilot, allowing him to
concentrate more on flying the model. If you have never flown a highly loaded swept wing scale jet
please consider the option of getting a pilot that is experienced in this type of model to carry out the
first flight – this allows the model to be trimmed correctly before you take control.
Parts listing:
Forward Fuselage Section w/Canopy & Hatch
Rear Fuselage Section
Right Wing Panel w/Aileron & Flap
Left Wing Panel w/Aileron & Flap
Tailplane w/Elevators
Fin/Rudder
Intake Ducting
Fuel Tank Set
Control Accessories
Scale Small Parts
Optional Parts:
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Summary of Contents for Fei Bao hawker hunter
- Page 1 Fei Bao Hawker Hunter Thank you for buying our large scale Hawker Hunter, which has been developed to be quick to assemble and a pleasure to own and fly. The Hunter is a large, heavy and sophisticated model and as such it is vital that great care and attention is taken during assembly to ensure a safe and reliable airframe.
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Page 2: Assembly Instructions
Tricycle Retract Set with Oleos, Wheels, Brakes etc Scale Cockpit Kit Drop Tank Set Twin Wall Tailpipe Required to complete: 180 to 250 Newton Turbine: A Jetcat P180 turbine was used in the prototype model and this provided the minimum power recommended for the Hunter, with a 200 to 220 Newton turbine giving a perfect balance between power and weight, without requiring too much fuel to be carried, If a larger and more powerful turbine is to be used it is recommended that full power is not used when the model is diving, as this may overstress the airframe. - Page 3 Offer the elevator servo into place on the underside of the hatch and temporarily hold in position with the mounting screws. Fit the servo horn to the servo and mark the hatch where the pre-formed slot has to be enlarged to allow full deflection of the servo arm – including trim range. Remove servo from the hatch and use a Dremel tool or similar to open up the slot you have marked, Permagrit tools are ideal to finish off the slot neatly.
- Page 4 Cover the underside of the elevator directly behind the elevator servo horn position with masking tape, then use a ruler or straight edge to draw a line across the elevator in line with the servo horn. Draw a second line 5mm outboard of the previously drawn line – this is the centre line of the slot for the elevator control horn.
- Page 5 Repeat for the second elevator servo and horn. Assemble the elevator pushrods using either ball joints or clevises at both ends and check for full and free travel, making sure that the servo arms or pushrods cannot jam in any position. It may be necessary to bend the pushrods slightly to allow adequate clearance to the end of the slots in the servo hatches, but any such bends should be kept to a minimum to avoid any flexing and thus any possibility of control surface flutter.
- Page 6 Fit the tailplane to the fuselage as shown – ensure the screws are fully tightened and consider using a threadlock compound. The rudder linkage is internal, see photos below. Fit the rudder complete with linkage to the fin and then install the rudder servo as show, finally centreing the servo and adjusting the linkage length to centre the rudder.
- Page 7 Fit the fin/rudder assembly to the fuselage and securely tighten the fin post clamping screws. Wings: Commence wing assembly by removing the large cover/door hinge mount from the wing panels by undoing the three screws, then unscrew the main undercarriage units from their mounts and disconnect the landing gear door linkages from the leg.
- Page 8 Reinstall the retracts and connect up the 3 air lines, these should be run out of the wing root together with the aileron and flap extension leads. Note that thin cyanoacrylate can be run into the retract mount screw holes to toughen the threads in the fibreglass/ply mounts. Refit the various gear doors to the wing/oleo leg.
- Page 9 Refit the nose retract unit into the model – note that prior to fitting thin cyano glue can be poured into the screw holes in the retract unit mounting plates to toughen the wood. Make sure the glue is completely cured before finally re-fitting the nose retract unit. Run the nosewheel steering servo lead out of the nose undercarriage bay and attach extension lead as required to be able to connect to the receiver being used.
- Page 11 Connect up all the fuel lines and fit a suitable overflow through the underside of the fuselage with the fuel filler in a convenient to access position. Rear Fuselage and Tail Surfaces Connect air lines to the underfuselage airbrake, and check for any leaks, as this is impossible to do when the model is fully assembled due to lack of access.
- Page 12 Fit the mounting lugs to the bellmouth section of the tailpipe and slide the tailpipe into the rear section of the fuselage.
- Page 13 Fuselage Assembly Bolt the front and rear sections of the fuselage together using the four M4 bolts and washers supplied, ensure these are completely tight and recheck these during routine maintenance. Connect up extension leads to the leads from the tail servos and lock or tape together for security. Also connect up the air lines to the underfuselage airbrake.
- Page 14 Check the alignment of the tailpipe and then drill pilot holes through the mounting straps and into the sides of the turbine rails, note that it may be necessary to add a pair of wooden blocks above or below the rails depending on the final installed position of the turbine, to accept the tailpipe securing screws.
- Page 15 Fit the supplied air ducting as required, cutting it down to suitable length to allow for installation. Continue the installation of the remaining on-board equipment; the prototype used a PowerBox Royal SRS twin receiver/battery system being powered by 6.6v 3000mAh Li-Fe batteries.
- Page 17 To keep the relatively heavy batteries as far forward as possible a former can be glued into place in the forward fuselage as shown, and a battery plate made up that slots into this and which is retained at the rear with a couple of bolts glued through the former with wing nuts securing the plate in place.
- Page 18 If the Sabrinas are to be fitted the areas of fuselage that these are glued to should have the paint removed, as should the base of the Sabrinas, before they are carefully glued into place.
- Page 19 Operation of the sliding canopy can be by an electric actuator or air ram, this prototype using the air ram method, with a simple bellcrank arrangement to increase the travel to the required amount. A cross beam system was used to equalise the movement on both sides of the canopy.
- Page 20 Note that the fuselage section at the rear of the cockpit was cut away as can be seen in the photo above, and pins fitted to the rear of the scale cockpit that slide into the holes seen above. This allows the entire scale cockpit to be pulled forward through the access provided by the open canopy until the pins come free of the holes, and then the rear of the scale cockpit can be dropped, before this can be carefully withdrawn through the open canopy without the need to remove the canopy.
- Page 21 Hunter only now with the tanks fitted. We are sure that you will enjoy many great flights with your new Hawker Hunter!