Dornier Do-28

Dornier Do-28
Maa	Saksa
Rooli	STOL kevyt hyötylentokone
Ensimmäinen lento	29. huhtikuuta 1959
Rakennettu	Ei tietää

Dornier Do 28 on tyyppinimitys, joka käsittää kaksi erilaista kaksimoottorista STOL-hyötylentokonetta, joita valmistaa saksalainen Dornier Flugzeugbau GmbH. Suurin osa heistä palveli Saksan ilmavoimissa ja Marinefliegerissä ja muissa ilmavoimissa ympäri maailmaa viestintä- ja aputehtävissä. Do 28 -sarja koostuu pohjimmiltaan erilaisista Do 28 A/B:stä (1959) ja Do 28 D Skyservantista (1966).

Lähde: Dornier Do-28 Wikipediassa

Dornier Do-28 B-1 Skyservant Kävele ympäriinsä
Valokuvaaja	Isaac Gershman
Lokalisointi	Ei tietää
Valokuvat	24

Dornier Do-28 B-1 Skyservant 02

Dornier Do-28 B-1 Skyservant 01

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Dornier Do-28 B-1 Skyservant 04

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Dornier Do-28 B-1 Skyservant 07

Dornier Do-28 B-1 Skyservant 08

Dornier Do-28 B-1 Skyservant 09

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A Tale of Two Aircraft

Nniiden Dornier Do 28 family is unique because the name covers two distinct airframes. The Do 28 A/B series was a direct twin-engine evolution of the high-wing Do 27. However, the Do 28 D Skyservant (which includes the B-1 variant in some nomenclature contexts, though typically B-1 refers to the streamlined earlier model) was a total redesign. The Skyservant became the definitive version: a boxy, rugged “flying truck” designed for Short Take-Off and Landing (STOL) operations. It was so reliable that German pilots affectionately nicknamed it the “Bauernadler” (Farmer’s Eagle).

Attribute	Specification (Dornier Do 28 B-1 / D-2 Series)
Rooli	STOL Utility / Transport / Liaison
miehistö	1 or 2 Pilots
Kapasiteetti	Up to 12 Passengers / 2 Stretchers + Medics
Voimalaitos	2 x Lycoming IGSO-540-A1E fuel-injected engines
Horsepower	290 hp (B-1) to 380 hp (D-2) per engine
Enimmäisnopeus	320 km/h (173 knots / 199 mph)
Stall Speed	70 km/h (38 knots / 44 mph) — Exceptional for its size
Etäisyys	1,235 km (approx. 767 miles)

Design and STOL Performance

Unconventional Engine Layout: Unlike most twins, the engines are mounted on short stub-wing pylons attached to the lower fuselage. This keeps the center of gravity low, simplifies maintenance, and provides extra lift from the nacelles.
High-Lift Devices: The wings feature full-span fixed leading-edge slats and large double-slotted Fowler flaps. This allows the Skyservant to lift off from “jungle strips” as short as 275 meters (900 ft).
Rugged Landing Gear: The non-retractable tail-wheel undercarriage is built for rough, unprepared fields. The main gear struts are faired into the engine nacelle pylons for structural efficiency.
The “Box” Fuselage: The Skyservant D-series moved to a rectangular cross-section, allowing for a flat floor and massive double doors on the port side, making it easy to load standard cargo pallets or oil drums.

Military and Special Roles

German Military Service: The Luftwaffe and Marineflieger operated over 120 units for liaison, transport, and even maritime pollution control (equipped with Side-Looking Airborne Radar).
The Israeli “Agur”: The Israeli Air Force used the Do 28 (naming it Agur, or Crane) extensively during the Yom Kippur War for light transport and reconnaissance.
Air America: Small numbers of Do 28s were operated by the CIA-linked Air America in Southeast Asia, where their STOL performance allowed them to land at secretive, primitive “Lima Sites” in the mountains of Laos.
Evolution into Turboprop: The airframe was so successful that it eventually evolved into the Dornier 128 and the much larger, highly popular Dornier 228.