Dragon Light Aircraft Co. Dragon 150
Side-by-side two-seat single-engined high-wing monoplane with conventional three-axis control. Wing has swept back leading edge, unswept trailing edge and tapering chord, conventional tail. Pitch control by elevator on tail; yaw control by fin-mounted rudder; roll control by half-span ailerons; control inputs through stick for pitch/roll and pedals for yaw. Wing braced from below by struts; 100% double-surface. Undercarriage has three wheels in taildragger formation; composite suspension on tailwheel and bungee suspension on main wheels. Push-right go-right tailwheel steering connected to yaw control. No brakes. Aluminium/fabric fusel-age, partially enclosed. Engine mounted below wing driving tractor propeller.
Anodized aluminium tubing is seamless mandrel drawn. Aluminium extrusions are to British HE30 standard. Stainless steel cables, aircraft-quality fasteners, Dacron wing covering, heat-shrunk polyester covering to tail surfaces and ailerons.
The Dragon 150 is the first aircraft produced by the Dragon Light Aircraft Co, which is an offshoot of the indepen-dent airline British Air Ferries. It makes no claim to be revolutionary, but instead is intended as a robust, practical machine in which conventional aircraft pilots will feel immediately at home.
The Dragon 150 only just a microlight and is certainly not an ultralight in the US sense of the term. Designer Billy Brooks deliberately made the weight and wing loading as high as the microlight definition would allow, to maxi-mise the number of days in which the aircraft can be used in the fickle British climate.
Although the prototype, which first flew on 10 July 1982, was powered by a Hunting HS525A engine, DLAC decided to fit the Robin EC44 to the production version.
Controls include a central control column, dual linked rudder pedals and dual linked throttles with a friction adjuster. A wide range of options is available, including 720- channel radio, electric start, parachute and extra instruments. Supplied as a pre-cut, pre-bent, pre-drilled kit requiring 30-40 h to complete.
Length overall 23.7 ft, 7.23 m.
Height overall 7.7ft, 2.35m.
Wing span 34.9ft, 10.64m.
Chord at root 6.2ft, 1.88m.
Chord at tip 4.8ft, 1.45m.
Dihedral 1.5 degs.
Tailplane span 11.0ft, 3.36m.
Fin height 6.3 ft, 1.91 m.
Total wing area 189 sq.ft, 17.6 sq.m.
Total aileron area 30.8 sq.ft, 2.86 sq.m.
Fin area 19.5 sq.ft, 1.81 sq.m.
Rudder area 9.8 sq.ft, 0.91 sq.m.
Tailplane area 40.4 sq.ft, 3.75 sq.m
Total elevator area 12.4 sq.ft, 1.15 sq.m.
Wing aspect ratio 6.0/1.
Wheel track 5.7 ft, 1.74 m.
Wheelbase 18.2 ft, 5.55 m.
Tailwheel diameter overall 4 inch, 10 cm.
Main wheels diameter overall 16 inch, 40 cm.
Engine: Robin EC44, 45 hp at 6500 rpm.
Propeller diameter and pitch 72 x 42 inch, 1.83 x 1.07 m.
Toothed-belt reduction, ratio 3.3/1.
Max static thrust 240 lb, 109kg.
Power per unit area: 0.24hp/sq.ft, 2.6hp/sq.m .
Fuel capacity 6.9 US gal, 5.7 Imp gal, 26.0 litre.
Empty weight 328 lb, 149kg.
Max take-off weight 791 lb, 359kg.
Payload 463 lb, 210kg.
Max wing loading 4.181b/sq.ft, 20.4kg/sq.m.
Max power loading 17.6 lb/hp, 8.0kg/hp.
Load factors; +6.0, -3.0 ultimate.
Max level speed 66mph, 106 kph.
Never exceed speed 85mph, 136kph.
Max cruising speed 60mph, 96kph.
Economic cruising speed 53mph, 86kph.
Stalling speed 25mph, 40 kph.
Max climb rate at sea level 500 ft/ min, 2.5m/s.
Min sink rate 400ft/min at 28kph, 2.0m/s at 45kph.
Best glide ratio with power off 9/1 at 38 mph, 61 kph.
Take-off distance 150 ft, 45 m.
Landing distance 100ft, 30m.
Service ceiling 14,000ft, 4270m.
Range at average cruising speed 100 mile, 160km.