Dornier Do 28 & 128
- CountryGermany
- TypeSTOL utility transports
- PowerplantsDo 28D2 - Two 285kW (380hp) Lycoming IGSO540A1E flat six piston engines driving three blade constant speed Hartzell propellers. 1286 - Two 300kW (400shp) Pratt & Whitney Canada PT6A110 turboprops driving three blade Hartzell propellers.
- PerformanceDo 28D2 - Max speed 325km/h (175kt), max cruising speed 306km/h (165kt), economical cruising speed 241km/h (130kt). Initial rate of climb 1160ft/min. Service ceiling 25,200ft. Range with max payload 1050km (566nm). 1286 - Max speed 340km/h (183kt), max cruising speed 330km/h (178kt), econ cruising speed 256km/h (138kt). Initial rate of climb 1260ft/min. Service ceiling 32,600ft. Range with max fuel at econ cruising speed 1825nm (985nm), with a 805kg (1774lb) payload 1460km (788nm).
- WeightsDo 28D2 - Empty 2328kg (5132lb), max takeoff 3842kg (8470lb). 1286 - Empty 2540kg (5600lb), max takeoff 4350kg (9590lb).
- DimentionsDo 28D2 - Wing span 15.55m (51ft 0in), length 11.41m (37ft 5in), height 3.90m (12ft 10in). Wing area 29.0m2 (312sq ft). 1286 - Same except for wing span 15.85m (52ft 0in).
- CapacityOne or two pilots on flightdeck and seating in main cabin for 10 or 12 seats two abreast with a centre aisle.
- ProductionTotal Do 28 and 1282 production was over 200 units including military orders, total 1286 production approximately 25.
The Do 28 Skyservant was the second flying machine to hold up under the Do 28 assignment, yet is comparable just in general arrangement to the first Do 28.
Dornier's unique Do 28 first flew in 1959 and was a twin engined improvement of the high wing single motor Do 27 utility. The Do 28 Skyservant first flew on February 23 1966, keeping in mind it held the prior Do 28's high wing and interesting side mounted motor arrangement, was a totally new airplane. Other outline gimmicks of this unordinary looking airplane were the altered tailwheel undercarriage, with the faired mainwheels mounted under the motors. FAA certificate was allowed on April 19 1968.
The Do 28 was produced into various dynamically enhanced variations, from the first D, through the D1 and D2, to the 1282, presented in 1980. Every variation presented various point of interest progressions. Most Do 28 creation was for military clients, outstandingly Germany, despite the fact that a little number were conveyed to business administrators.
An introductory turboprop form of the Do 28, assigned the Do 28d5x, first flew in April 1978, fitted with two Avco Lycoming LTP 1016001as derated to 300kw (400shp).
However generation turboprop Dornier 1286s gimmick Pratt & Whitney Canada Pt6as, with the first such designed air ship flying in March 1980. Just a little number were fabricated in the middle of then and 1986, when creation stopped, and again most airplane were for military clients.
Pictures of Dornier Do 28 & 128
