11/9/2023 0 Comments Helio super courierThe first Couriers seen in this region in 1966 were imported for the Australian distributor at the time, Helicopter Utilities Pty Ltd. Some 500 examples of the Courier series were completed. Other models in the range included the H-250 with a 186 kw (250 hp) Lycoming O-540 engine the H-295 Super Courier with a 220 kw (295 hp) Lycoming GO-480 engine introduced in 1965 and the HT-295 was introduced in 1974 with a tricycle undercarriage. In 1983 the Courier 700 and 800 models were introduced by the newly formed Helio Aircraft Company, the latter being a six-seat version of the earlier H-295 with a 298 kw (400 hp) Avco Lycoming IO-720-A1B eight-cylinder engine, the first flight of which was made on 24 March 1983. The Courier 700 was generally similar to the 800 but had the 261 kw (350 hp) Avco Lycoming TIO-540-J2B turbocharged and fuel-injected six-cylinder engine. A non-retractable tailwheel undercarriage was installed.ĭevelopment led to a number of derivatives including the H-392 Strato Courier in 1957 for high altitude work, this model having the 254 kw (340 hp) supercharged Lycoming GSO-435 engine. The ailerons were of the Frise-type built of duralumin frames with fabric covering. NACA high-lift slotted flaps were fitted along 75 per cent of the total wingspan. The wing was a single-spar structure equipped with full-span automatic Handley Page leading-edge slats. Entrance to the seats (when fitted) was by a door on the left-side of the fuselage, and a second door on the right-side gave access to the middle and rear seats. The cabin section of the fuselage was a metal-covered tubular structure, and the aft section was of semi-monocoque construction. The Model 295 Courier and Model 395 Super Courier were fully cantilever, high-wing, monoplanes of all-metal construction. A Piper Vagabond was used for some time to test a number of design features, becoming known as the Koppen-Bolinger Helioplane, and the true prototype of the Courier, known as the H-391B, was flown in 1953. Helio was formed in early 1947 for the purpose of developing and manufacturing a specialised STOL aircraft. Some 100 examples were used by the United States Army in Vietnam for ambulance and communications work, and for the latter role they were equipped with loudspeakers to spread information from the air to the native population in remote areas. The type proved quite successful in its intended role, being fitted with floats, skis, or land undercarriage. The Courier utility aircraft was built for the Helio Aircraft Corporation at the Pittsburg, Kansas, facility of Mid-States Manufacturing Corporation. Range at economical cruising speed: 933 km (580 miles).Stalling speed power on: 45 km/h (28 mph).Max speed at sea level: 251 km/h (156 mph).
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