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m Robot - Moving category British sailplanes 1930-1939 to Category:British sailplanes 1930–1939 per CFD at Wikipedia:Categories for discussion/Log/2011 September 20.
 
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{{Use dmy dates|date=December 2016}}
{{Use British English|date=December 2016}}
{|{{Infobox Aircraft Begin
{|{{Infobox Aircraft Begin
| name=T.3 Dagling
| name=T.3 Dagling
| image= Bundesarchiv Bild 102-11640, Gatower Berge, Studenten beim Segelfliegen.jpg
| image=
| caption=
| caption= Original RRG Zögling 1931.
}}{{Infobox Aircraft Type
}}{{Infobox Aircraft Type
| type=Primary Training Glider
| type=Primary training glider
| national origin=United Kingdom
| national origin=United Kingdom
| manufacturer=[[Slingsby Aviation|Slingsby Sailplanes]]
| manufacturer=[[Slingsby Aviation|Slingsby Sailplanes]]
Line 13: Line 15:
| status=
| status=
| primary user=
| primary user=
| number built= 67 (by Slingsby)
| number built= at least 67 (by Slingsby)
| developed from= [[Lippisch Zögling]]
| developed from= [[Lippisch Zögling]]
| variants with their own articles=
| variants with their own articles=
Line 22: Line 24:


==Design and development==
==Design and development==
During the 1920s [[Alexander Lippisch]] designed a training glider with very low performance to introduce pilots gradually to full-blown gliding. The result was a glider with a very simple structure of an open framework fuselage, with short wings attached by cables to a king post and the base of the fuselage. Lippisch's original design had an all-wood fuselage and was called "[[Zögling]]", but [[Wolf Hirth]] instigated a redesign of the fuselage using steel tubes.
During the 1920s [[Alexander Lippisch]] designed a training glider with very low performance to introduce pilots gradually to full-blown gliding. The result was a glider with a very simple structure of an open framework [[fuselage]], with short wings attached by cables to a king post and the base of the fuselage. Lippisch's original design, the [[Zögling]] (Pupil in English) had an all-wood fuselage but [[Wolf Hirth]] instigated a redesign of the rear fuselage using steel tubes.


==History==
==History==
The plans for the modified Zögling made their way via the [[USA]] to the [[London Gliding Club]] and [[Reginald Foster Dagnall]] and the RFD company. Production by RFD lasted until 1931, and in 1933 Fred Slingsby took over building the "Dagling". Production continued up to the outbreak of [[World War II]]. The Primary should not be confused with the [[Slingsby T.38 Grasshopper|T.38 Grasshopper]] which was produced for the [[Air Training Corps]] in the 1950s.
The plans for the modified Zögling made their way via the United States to the [[London Gliding Club]] and [[Reginald Foster Dagnall]], whose RFD company put it into production as the '''RFD Primary'''. They built 27 in 1930-31. The type became known as the Dagling, a name formed by combining Dagnall and Zögling, which later became used informally to cover all types of primary gliders in the UK. Fred Slingsby took over construction in 1934 and production continued up to the outbreak of [[World War II]]. The Primary should not be confused with the similar [[Slingsby T.38 Grasshopper|T.38 Grasshopper]] which was produced for the [[Air Training Corps]] in the 1950s.


==Operators==
==Operators==
{{Empty section|date=July 2010}}
{{Empty section|date=July 2010}}

==Variants==
⚫
;Slingsby T.3 Primary
:Derived from the Wolf Hirth-modified [[Zögling]]
;RFD Primary Type AT
:Production of the Primary by the [[R.F.D. Co]], named '''Dagling''' from a contraction of Dagnall and Zögling.
;Hawkridge Dagling
:A modified Dagnall built post [[World War II]] by the [[Hawkridge Aircraft Co.]]


==Specifications==
==Specifications==
{{Aircraft specs
{{aerospecs
|prime units? = imp
|ref=
|met or eng?=<!-- eng for US/UK aircraft, met for all others. You MUST include one or the other here, or no specifications will show -->eng
|crew=One
|crew=One
|capacity=
|length m=5.447
|length m=5.447
|length ft=17
|length ft=17
Line 42: Line 50:
|span ft=34
|span ft=34
|span in=4
|span in=4
|swept m=<!-- swing-wings -->
|swept ft=<!-- swing-wings -->
|swept in=<!-- swing-wings -->
|rot number=<!-- helicopters -->
|rot dia m=<!-- helicopters -->
|rot dia ft=<!-- helicopters -->
|rot dia in=<!-- helicopters -->
|dia m=<!-- airships etc -->
|dia ft=<!-- airships etc -->
|dia in=<!-- airships etc -->
|width m=<!-- if applicable -->
|width ft=<!-- if applicable -->
|width in=<!-- if applicable -->
|height m=
|height ft=
|height in=
|wing area sqm=15.06
|wing area sqm=15.06
|wing area sqft=162
|wing area sqft=162
|swept area sqm=<!-- swing-wings -->
|swept area sqft=<!-- swing-wings -->
|rot area sqm=<!-- helicopters -->
|rot area sqft=<!-- helicopters -->
|volume m3=<!-- lighter-than-air -->
|volume ft3=<!-- lighter-than-air -->
|aspect ratio=<!-- sailplanes -->11.1
|aspect ratio=<!-- sailplanes -->11.1
|wing profile=<!-- sailplanes -->Göttingen 326
|airfoil =<!-- sailplanes -->Göttingen 326
|empty weight kg=82
|empty weight kg=82
|empty weight lb=180
|empty weight lb=180
|gross weight kg=173
|gross weight kg=173
|gross weight lb=380
|gross weight lb=380
|lift kg=<!-- lighter-than-air -->
|lift lb=<!-- lighter-than-air -->
|eng1 number=
|eng1 type=
|eng1 kw=<!-- prop engines -->
|eng1 hp=<!-- prop engines -->
|eng1 kn=<!-- jet/rocket engines -->
|eng1 lbf=<!-- jet/rocket engines -->
|eng1 kn-ab=<!-- afterburners -->
|eng1 lbf-ab=<!-- afterburners -->
|eng2 number=
|eng2 type=
|eng2 kw=<!-- prop engines -->
|eng2 hp=<!-- prop engines -->
|eng2 kn=<!-- jet/rocket engines -->
|eng2 lbf=<!-- jet/rocket engines -->
|eng2 kn-ab=<!-- afterburners -->
|eng2 lbf-ab=<!-- afterburners -->
|max speed kmh=
|max speed mph=
|max speed mach=<!-- supersonic aircraft -->
|cruise speed kmh=<!-- if max speed unknown -->
|cruise speed mph=<!-- if max speed unknown -->
|range km=
|range miles=
|endurance h=<!-- if range unknown -->
|endurance min=<!-- if range unknown -->
|ceiling m=
|ceiling ft=
|glide ratio=<!-- sailplanes -->
|climb rate ms=
|climb rate ftmin=
|sink rate ms=<!-- sailplanes -->
|sink rate ftmin=<!-- sailplanes -->
|armament1=
|armament2=
|armament3=
|armament4=
|armament5=
|armament6=
}}
}}


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{{aircontent
{{aircontent
<!-- include as many lines are appropriate. additional lines/entries with carriage return. -->
<!-- include as many lines are appropriate. additional lines/entries with carriage return. -->
|see also=
*Zoegling
|related=<!-- related developments -->
|related=<!-- related developments -->
*Lippisch SG-38 Zögling
*[[Zögling]]
|similar aircraft=<!-- similar or comparable aircraft -->
|similar aircraft=<!-- similar or comparable aircraft -->
*[[Slingsby T.38 Grasshopper]]
*[[Slingsby T.38 Grasshopper]]
Line 131: Line 75:
==References==
==References==
* Ellison, N.H. ''British Gliders and Sailplanes 1922-1970''. A & C Black, 1971
* Ellison, N.H. ''British Gliders and Sailplanes 1922-1970''. A & C Black, 1971
* Simons, M. ''Slingsby Sailplanes''. Airlife Publishing, 1996 - ISBN 1-85310-732-8
* Simons, M. ''Slingsby Sailplanes''. Airlife Publishing, 1996 - {{ISBN|1-85310-732-8}}
{{reflist}}
{{reflist}}


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{{Slingsby aircraft}}
{{Slingsby aircraft}}
{{aviation lists}}


[[Category:British sailplanes 1930–1939]]
[[Category:1930s British sailplanes]]
[[Category:Glider aircraft]]
[[Category:Glider aircraft]]
[[Category:Slingsby aircraft|Primary]]
[[Category:Slingsby aircraft|Primary]]
[[Category:Parasol-wing aircraft]]

⚫
[[de:Slingsby Primary]]

Latest revision as of 21:36, 26 July 2020

T.3 Dagling
Original RRG Zögling 1931.
Role Primary training glider
National origin United Kingdom
Manufacturer Slingsby Sailplanes
Designer Reginald Foster Dagnall
Number built at least 67 (by Slingsby)
Developed from Lippisch Zögling

The Slingsby T.3 Primary (a.k.a. Dagling) was a single-seat training glider produced in the 1930s by Fred Slingsby in Kirbymoorside, Yorkshire.

Design and development

[edit]

During the 1920s Alexander Lippisch designed a training glider with very low performance to introduce pilots gradually to full-blown gliding. The result was a glider with a very simple structure of an open framework fuselage, with short wings attached by cables to a king post and the base of the fuselage. Lippisch's original design, the Zögling (Pupil in English) had an all-wood fuselage but Wolf Hirth instigated a redesign of the rear fuselage using steel tubes.

History

[edit]

The plans for the modified Zögling made their way via the United States to the London Gliding Club and Reginald Foster Dagnall, whose RFD company put it into production as the RFD Primary. They built 27 in 1930-31. The type became known as the Dagling, a name formed by combining Dagnall and Zögling, which later became used informally to cover all types of primary gliders in the UK. Fred Slingsby took over construction in 1934 and production continued up to the outbreak of World War II. The Primary should not be confused with the similar T.38 Grasshopper which was produced for the Air Training Corps in the 1950s.

Operators

[edit]

Variants

[edit]
Slingsby T.3 Primary
Derived from the Wolf Hirth-modified Zögling
RFD Primary Type AT
Production of the Primary by the R.F.D. Co, named Dagling from a contraction of Dagnall and Zögling.
Hawkridge Dagling
A modified Dagnall built post World War II by the Hawkridge Aircraft Co.

Specifications

[edit]

General characteristics

  • Crew: One
  • Length: 17 ft 10 in (5.447 m)
  • Wingspan: 34 ft 4 in (10.35 m)
  • Wing area: 162 sq ft (15.06 m2)
  • Aspect ratio: 11.1
  • Airfoil: Göttingen 326
  • Empty weight: 180 lb (82 kg)
  • Gross weight: 380 lb (173 kg)

Performance

See also

[edit]

Related development

Aircraft of comparable role, configuration, and era

Related lists

References

[edit]
  • Ellison, N.H. British Gliders and Sailplanes 1922-1970. A & C Black, 1971
  • Simons, M. Slingsby Sailplanes. Airlife Publishing, 1996 - ISBN 1-85310-732-8
[edit]
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