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<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
{{lowercase|de Havilland Don}}
{{lowercase|de Havilland Don}}
{{Use dmy dates|date=January 2018}}
⚫
{|{{Infobox Aircraft Begin
{{Use British English|date=January 2018}}
⚫
{|{{Infobox aircraft begin
|name = DH.93 Don
|name = DH.93 Don
|image =Image:De Havilland DH.93 Don.jpg
|image = De Havilland DH.93 Don.jpg
|caption = Prototype DH.93 in flight c. 1937
|caption = Prototype DH.93 in flight c. 1937
}}{{Infobox Aircraft Type
}}{{Infobox aircraft type
|type = Communications/Liaison
|type = Communications/Liaison
|manufacturer = [[de Havilland]]
|manufacturer = [[de Havilland]]
|national origin = United Kingdom
|designer =
|designer =
|first flight = 18 June 1937
|first flight = 18 June 1937
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|produced =
|produced =
|number built = 30 (plus 20 unassembled airframes)
|number built = 30 (plus 20 unassembled airframes)
|status = retired
|status =
|unit cost =
|unit cost =
|primary user = [[Royal Air Force]]
|primary user = [[Royal Air Force]]
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|}
|}


The '''de Havilland DH.93 Don''' was a 1930s [[United Kingdom|British]] multi-role three-seat training aircraft built by [[de Havilland]] at [[Hatfield Aerodrome]].
The '''de Havilland DH.93 Don''' was a 1930s [[United Kingdom|British]] multi-role three-seat training aircraft built by [[de Havilland|de Havilland Aircraft]].


==Design and development==
==Design and development==
The '''Don''' was designed to meet [[List of Air Ministry Specifications|Air Ministry Specification]] T.6/36 for a multi-role trainer and was a single-engined monoplane of wooden stressed-skin construction. The DH.93 Don was intended to be a trainer for pilots and radio operators, and as a gunnery trainer, the gunnery requirement involved the mounting of a dorsal gun turret.
The '''Don''' was designed to meet [[List of Air Ministry specifications|Air Ministry Specification]] T.6/36 for a multi-role trainer and was a single-engined monoplane of wooden stressed-skin construction. The DH.93 Don was intended to be a trainer for pilots and radio operators, and as a gunnery trainer, the gunnery requirement involved the mounting of a dorsal gun turret. Student pilot and instructor sat side by side up front, while accommodation for a trainee WT (radio) operator and the turret gunner was behind in the cabin.<ref>{{cite web |last=Dell |first=John |title=de Havilland DH93 Don |url=http://freespace.virgin.net/john.dell/Don/Don.htm |work=Dinger's Aviation Pages |access-date=25 February 2013 |url-status=dead |archive-url=https://web.archive.org/web/20130412160341/http://freespace.virgin.net/john.dell/Don/Don.htm |archive-date=12 April 2013 }}</ref>


==Operational history==
==Operational history==
The prototype ([[United Kingdom military aircraft serials|serial number]] ''L2387'') first flew on 18 June 1937 and was transferred to [[RAF Martlesham Heath]] for official evaluation. In the course of the trials, more equipment was added which increased the weight, as a result, in an attempt to reduce weight, the dorsal turret was removed. The aircraft was also modified with small auxiliary fins fitted beneath the tailplane.<ref name= "Jackson p. 354"> Jackson 1962, p. 354.</ref>
The prototype with [[United Kingdom aircraft test serials|test marks]] ''E-3'' (later [[United Kingdom military aircraft serials|military serial number]] ''L2387'') first flew on 18 June 1937 and was transferred to [[RAF Martlesham Heath]] for official evaluation. In the course of the trials, more equipment was added which increased the weight, and as a result, in an attempt to reduce weight, the dorsal turret was removed. The aircraft was also modified with small auxiliary fins fitted beneath the tailplane.<ref name= "Jackson p. 354">Jackson 1962, p. 354.</ref>


Despite the changes incorporated from the fifth aircraft,<ref name= "Jackson p. 354"> Jackson 1962, p. 354.</ref> the type was deemed not suitable for training and the original order for 250 aircraft was reduced to only 50 aircraft, 20 of which were delivered as engineless airframes for ground training.<ref> Jackson 1962, p. 355.</ref> The remaining aircraft served as communications and liaison aircraft, serving with No. 24 Sqn and numerous [[RAF Station]] Flights throughout the UK until early 1939, but all were grounded for use as instructional airframes in March 1939.<ref name="Ford p75">Ford 2003, p. 75.</ref>
Despite the changes incorporated from the fifth aircraft,<ref name= "Jackson p. 354">Jackson 1962, p. 354.</ref> the type was deemed not suitable for training and the original order for 250 aircraft was reduced to only 50 aircraft, 20 of which were delivered as engineless airframes for ground training.<ref>Jackson 1962, p. 355.</ref> The remaining aircraft served as communications and liaison aircraft, serving with No. 24 Sqn and numerous [[RAF Station]] Flights throughout the UK until early 1939, but all were grounded for use as instructional airframes in March 1939.<ref name="Ford p75">Ford 2003, p. 75.</ref>


==Operators==
==Operators==
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*[[Royal Air Force]]
*[[Royal Air Force]]
**[[No. 24 Squadron RAF]]
**[[No. 24 Squadron RAF]]
**station flights


==Specifications (Communications role)==
==Specifications (Communications role)==

{{aircraft specifications
{{Aircraft specs
<!-- if you do not understand how to use this template, please ask at [[Wikipedia talk:WikiProject Aircraft]] -->
|prime units?=imp
<!-- please answer the following questions -->
⚫
|ref=de Havilland Aircraft since 1909<ref name="Jackson dh 87 p389">Jackson 1987, p. 389.</ref>
|plane or copter?=plane

|jet or prop?=prop
⚫
|crew=1
⚫
|ref=De Havilland Aircraft since 1909<ref name="Jackson dh 87 p389">Jackson 1987, p. 389.</ref>
|capacity=2 passengers
<!-- Now, fill out the specs. Please include units where appropriate (main comes first, alt in parentheses). If an item doesn't apply, like capacity, leave it blank. For additional lines, end your alt units with )</li> and start a new, fully-formatted line with <li> -->
⚫
|length ft=37
⚫
|crew=3
|length main= 37 ft 4 in
|length in=4
|span ft=47
⚫
|length alt= 11.38 m
|span main= 47 ft 6 in
|span in=6
⚫
|height ft=9
|span alt= 14.48 m
|height main= 9 ft 5 in
|height in=5
|wing area sqft=304
⚫
|height alt= 2.87 m
|airfoil=[[RAF 34]] modified<ref name="Selig">{{cite web |last1=Lednicer |first1=David |title=The Incomplete Guide to Airfoil Usage |url=https://m-selig.ae.illinois.edu/ads/aircraft.html |website=m-selig.ae.illinois.edu |access-date=16 April 2019}}</ref>
|area main= 304 ft²
⚫
|empty weight lb=5050
|area alt= 28.24 m²
|empty weight main= 5,050 lb
|gross weight lb=6530
|eng1 number=1
⚫
|empty weight alt= 2,291 kg
⚫
|eng1 name=[[de Havilland Gipsy King]]
|loaded weight main=
⚫
|eng1 type=V-12 inverted air-cooled piston engine
|loaded weight alt=
|eng1 hp=525
|max takeoff weight main= 6,530 lb
|prop blade number=2
|max takeoff weight alt= 2,968 kg
|prop name=variable-pitch propeller
⚫
|engine (prop)=[[de Havilland Gipsy King]]
⚫
|max speed mph=189
⚫
|type of prop= air-cooled [[V12 engine]]
⚫
|range miles=890
|number of props=1
⚫
|ceiling ft=23300
|power main= 525 hp
⚫
|climb rate ftmin=820
|power alt= 391 kw
⚫
|max speed main= 189 mph
|max speed alt=164 knots, 304 km/h
⚫
|range main= 890 mi
|range alt=774 [[nautical mile|nmi]], 1,432 km
|ceiling main= 23,300 ft
⚫
|ceiling alt= 7,100 m
⚫
|climb rate main= 820 ft/min
|climb rate alt=4.2 m/s
|loading main=
|loading alt=
|power/mass main=
|power/mass alt=
|armament=
}}
}}


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|similar aircraft=
|similar aircraft=
|lists=
|lists=
*[[List of aircraft of the RAF]]
*[[List of aircraft of the Royal Air Force]]
|see also=
|see also=
}}
}}
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==References==
==References==
{{reflist}}
{{reflist}}

* ''The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985)''. London: Orbis Publishing, 1986. No ISBN.
==Bibliography==
⚫
* Ford, Daniel. "Outmoded Teacher:De Havilland's Don Crew Trainer". ''[[Air Enthusiast]]'', No. 105, May/June 2003. ISSN 0143-5450. pp. 74–75.
* Jackson, A.J. ''De Havilland Aircraft Since 1915''. London, Putnam, 1962. No ISBN.
* ''The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985)''. London: Orbis Publishing, 1986. No ISBN.
⚫
* Ford, Daniel. "Outmoded Teacher: de Havilland's Don Crew Trainer". ''[[Air Enthusiast]]'' 105, May/June 2003, pp.&nbsp;74–75. {{ISSN|0143-5450}}.
⚫
* Jackson, A.J. ''De Havilland Aircraft since 1909''. London:Putnam, Third edition, 1987. ISBN 0-85177-802-X.
* Jackson, A.J. ''de Havilland Aircraft Since 1915''. London, Putnam, 1962. No ISBN.
⚫
* Jackson, A.J. ''de Havilland Aircraft since 1909''. London:Putnam, Third edition, 1987. {{ISBN|0-85177-802-X}}.


==External links==
==External links==
{{commons category|lcfirst=yes}}
*[http://www.britishaircraft.co.uk/aircraftpage.php?ID=71 British Aircraft Directory]
*[https://web.archive.org/web/20070927194336/http://www.britishaircraft.co.uk/aircraftpage.php?ID=71 De Havilland Don] – British Aircraft Directory


{{de Havilland aircraft}}
{{de Havilland aircraft}}
{{aviation lists}}


[[Category:British military utility aircraft 1930–1939]]
[[Category:1930s British military utility aircraft]]
[[Category:Propeller aircraft]]
[[Category:Low-wing aircraft]]
[[Category:Low wing aircraft]]
[[Category:Single-engined tractor aircraft]]
[[Category:Single-engine aircraft]]
[[Category:De Havilland aircraft|Don]]
[[Category:De Havilland aircraft|Don]]
[[Category:Aircraft first flown in 1937]]

[[de:De Havilland Don]]
[[it:De Havilland DH.93 Don]]
[[ja:デ・ハビランド ドン]]

Revision as of 19:02, 6 October 2023


DH.93 Don
Prototype DH.93 in flight c. 1937
Role Communications/Liaison
National origin United Kingdom
Manufacturer de Havilland
First flight 18 June 1937
Introduction 1938
Retired 1940
Primary user Royal Air Force
Number built 30 (plus 20 unassembled airframes)

The de Havilland DH.93 Don was a 1930s British multi-role three-seat training aircraft built by de Havilland Aircraft.

Design and development

The Don was designed to meet Air Ministry Specification T.6/36 for a multi-role trainer and was a single-engined monoplane of wooden stressed-skin construction. The DH.93 Don was intended to be a trainer for pilots and radio operators, and as a gunnery trainer, the gunnery requirement involved the mounting of a dorsal gun turret. Student pilot and instructor sat side by side up front, while accommodation for a trainee WT (radio) operator and the turret gunner was behind in the cabin.[1]

Operational history

The prototype with test marks E-3 (later military serial number L2387) first flew on 18 June 1937 and was transferred to RAF Martlesham Heath for official evaluation. In the course of the trials, more equipment was added which increased the weight, and as a result, in an attempt to reduce weight, the dorsal turret was removed. The aircraft was also modified with small auxiliary fins fitted beneath the tailplane.[2]

Despite the changes incorporated from the fifth aircraft,[2] the type was deemed not suitable for training and the original order for 250 aircraft was reduced to only 50 aircraft, 20 of which were delivered as engineless airframes for ground training.[3] The remaining aircraft served as communications and liaison aircraft, serving with No. 24 Sqn and numerous RAF Station Flights throughout the UK until early 1939, but all were grounded for use as instructional airframes in March 1939.[4]

Operators

 United Kingdom

Specifications (Communications role)

Data from de Havilland Aircraft since 1909[5]

General characteristics

  • Crew: 1
  • Capacity: 2 passengers
  • Length: 37 ft 4 in (11.38 m)
  • Wingspan: 47 ft 6 in (14.48 m)
  • Height: 9 ft 5 in (2.87 m)
  • Wing area: 304 sq ft (28.2 m2)
  • Airfoil: RAF 34 modified[6]
  • Empty weight: 5,050 lb (2,291 kg)
  • Gross weight: 6,530 lb (2,962 kg)
  • Powerplant: 1 × de Havilland Gipsy King V-12 inverted air-cooled piston engine, 525 hp (391 kW)
  • Propellers: 2-bladed variable-pitch propeller

Performance

  • Maximum speed: 189 mph (304 km/h, 164 kn)
  • Range: 890 mi (1,430 km, 770 nmi)
  • Service ceiling: 23,300 ft (7,100 m)
  • Rate of climb: 820 ft/min (4.2 m/s)

See also

Related lists

References

  1. ^ Dell, John. "de Havilland DH93 Don". Dinger's Aviation Pages. Archived from the original on 12 April 2013. Retrieved 25 February 2013.
  2. ^ a b Jackson 1962, p. 354.
  3. ^ Jackson 1962, p. 355.
  4. ^ Ford 2003, p. 75.
  5. ^ Jackson 1987, p. 389.
  6. ^ Lednicer, David. "The Incomplete Guide to Airfoil Usage". m-selig.ae.illinois.edu. Retrieved 16 April 2019.

Bibliography

  • The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985). London: Orbis Publishing, 1986. No ISBN.
  • Ford, Daniel. "Outmoded Teacher: de Havilland's Don Crew Trainer". Air Enthusiast 105, May/June 2003, pp. 74–75. ISSN 0143-5450.
  • Jackson, A.J. de Havilland Aircraft Since 1915. London, Putnam, 1962. No ISBN.
  • Jackson, A.J. de Havilland Aircraft since 1909. London:Putnam, Third edition, 1987. ISBN 0-85177-802-X.
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