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Firebird 1.5m 60"

Product Code: FIREBIRD
 (1 review)

Price: $450.43 save 14%

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The Firebird 1.5m is a new 60" sports sloper from James Hamond. The Firebird has a highly optimized wing planform and completely new and improved wind tunnel tested aerofoils. Slimmed down from previous designs as servo technology has improved and become more widely available, the layout has enough room to allow plenty of ballast in the Fuselage, while the operating servos can be situated in the front radio bay or in the fin. Nicely engineered magnetically attached canopy and a fin hatches give good access to the RC.

As the model responds so well to aileron only input many fliers prefer the simplicity of aileron only for directional control and forgo the rudder. This simplifies the installation too. To this end the fuselage and fin molding can be supplied with or without a cut out and hinged rudder. See the options below the price.

The sections used are the most recent highly smoothed developments from James’s highly successful original aerofoil designs: These are really fast sections.

Completely different from the previous design, and made possible by the revolutionary Sine Wave Spar that is now a feature of all Aeroic planes, the highly optimized wing planform has undergone a series of changes throughout the development and testing of the model resulting in the somewhat “radical” swept elliptical shape that we now see.

The descending thickness, optimally cambered sections will let you go from really slow landing speeds with the flaps down to heart stopping passes with a little reflex. Large ailerons, large flaps and the new wing plan form each add to the overall performance of the airframe.

Like all Aeroic planes, the “standard” wing is carbon type.
Horns are factory fitted with well thought out geometry to allow flush servo installation using 9mm or 10mm flap and 8mm aileron servos. Using conventional linkages, you can get a clean, practical and most importantly serviceable wing installation optimized to use full servo travel to give high torque and low slop.

Aeroic Sine Wave Spar:
Used in several military aircraft, which is actually Doc J’s designer background, the Sine Wave Spar has been adapted for the first time to make up the heart of a model sailplane wing, is a revolution with its low weight, and ultra high strength. Unlike a conventional spar the Sine Wave Spar adds terrific torsional strength and yet actually weighs considerably less than the older non-optimized “Box” type spars.
Now used in all Aeroic airframes, the Sine Wave Spar is lighter and far stronger than “conventional” spars and raises the level another couple of notches.

The practical but curvaceous fuse is strong, light, and stiff with Carbon/Kevlar reinforcement and gives far more strength to the boom than most 60” models. Electronics area is 2.4 GHz friendly with access to the radio and ballast through a slip-on nose cone. The long nose area accentuates the rakish lines but also provides plenty of space to easily balance the model without resorting to shoehorning lead in every available crevice.
Snakes and/or rear mounted direct servos can be used for Rudder/Elevator control. These are all positioned to take the ‘head scratching’ out of installing the radio gear.
Wing stub fairings with location dowel holes finish the fuselage with “green” Multiplex type connectors to connect the electronics pre routed.

Here the aerofoils were specifically designed for Aeroic sailplanes and this time for maximum control response with minimum deflection. At 10%, the tail airframe section is thicker than is the norm but the infinitesimal increase in drag is easily offset by the increased control response for less deflection.
To further increase the efficiency, pitch control is accomplished by using an elevator. No wobbly all moving tail and the elevator is driven by either an optional ball raced bell crank from a servo in the fuse, or where ultimate control is required, a servo can be placed in a hatch through the fin to give solid elevator control. The tails remain removable for convenient transport or storage.

The Firebird has been designed with far greater capability potential than any average sports model, and this, coupled with the fact that like all Aeroic sailplanes the pre-production models underwent thorough testing, not only in flying performance, but also in making the installation straightforward and practical, leads to an airframe that is a snip to fit out, and flies like the true thoroughbred it is.

The model is supplied with a wiring harness and most accessories for connecting the servos. Also a very nice fuselage mounted ballast tube is supplied which takes 0.75" (20 mm) brass or lead slugs (not included).

Firebird 1.5m Specifications
Wing span 1.50 m 59 in
Wing area 22.5 dm2 349 sq in
Length 97 cm 38 in
Flying weight from 931 g 32.8 oz
Wing loading 41 g/dm2 13.6 oz/sq ft
Aspect ratio 10.0
Wing airfoil JH3680; JH3675; JH3670
Dihedral 4.3º
Centre of Gravity 75 - 80 mm from wing leading edge
Controls Elevator, rudder, ailerons, flaps

Firebird 1.5m Typical Weights
Wing (Sport) 380 g 13.4 oz
Fuselage and fin 174 g 6.1 oz
Tailplane 50 g 1.8 oz
Accessories 35 g 1.2 oz
Ballast tube 13 g 0.5 oz
Pushrods 10 g 0.4 oz
Total structure 662 g 23.4 oz
Receiver 10 g 0.4 oz
Elevator servo 11 g 0.4 oz
Rudder servo 11 g 0.4 oz
Aileron servos (2) 17 g 0.6 oz
Flap servos 17 g 0.6 oz
Wiring harness 53 g 1.9 oz
Battery 100 g 3.5 oz
Nose weight 50 g 1.8 oz
Flying weight 931 g 32.8 oz
The WMD layup wing is approx 80 g heavier.

Recommended Servos
Elevator & rudder MKS DS6100, MKS HV6100, Blue Bird BMS-126WV, KST DS145, KST DS215MG, KST X10-710
Flap (9mm) KST X08H, KST X08 Plus, MKS DS6100, MKS HV6100, MKS HV6110, Blue Bird BMS-125, Ripmax SD150
Aileron (8mm) KST X08H, Blue Bird BMS-A10V
The wing is very thin and 8 mm servos are required for the ailerons, and ideally 9 mm for the flaps. 10 mm thick flap servos can perhaps be used but the servo covers will need adjusting.

Reviews 1  

 Review by:


I havenít had a chance to put it together yet but i am very happy with the build quality and as always the great service from Hyperflight.

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