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{{Short description|Argentine jet fighter prototype}}
{|{{Infobox Aircraft Begin
{|{{Infobox Aircraft Begin
| name=FMA I.Ae. 37
| name=FMA I.Ae. 37
| image=Ia_37_I.jpg
| image=Ia 37 I.jpg
| caption=
| caption=
}}{{Infobox Aircraft Type
}}{{Infobox Aircraft Type
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| designer=[[Horten brothers|Reimar Horten]]
| designer=[[Horten brothers|Reimar Horten]]
| first flight=
| first flight=
| introduced=1953
| retired=
| retired=
| status=Cancelled 1960
| status=Cancelled 1960
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| unit cost= <!--Incremental or flyaway cost for military or retail price for commercial aircraft-->
| unit cost= <!--Incremental or flyaway cost for military or retail price for commercial aircraft-->
| developed from=
| developed from=
| variants with their own articles=
| variants with their own articles=}}
}}
|}
|}

The '''FMA I.Ae. 37''' was a prototype jet fighter developed in [[Argentina]] during the 1950s. It never flew and was cancelled in 1960.<ref>http://www.taringa.net/posts/imagenes/15077702/proyecto-I_A_-37-ala-delta.html</ref>
The '''FMA I.Ae. 37''' was a prototype jet fighter developed in [[Argentina]] during the 1950s. It never flew and was cancelled in 1960.<ref>{{Citation | language = Spanish| title = Proyecto IA 37 ala delta |trans-title=IA 37 project delta wing | url = http://www.taringa.net/posts/imagenes/15077702/proyecto-I_A_-37-ala-delta.html | publisher = Taringa}}.</ref>


==Development==
==Development==
[[Horten brothers|Reimar Horten]] began work on the I.Ae. 37 around 1952, after his earlier flying wing projects were cancelled in 1951. This was a single-engined jet fighter that used a [[flying wing]] structure with lateral engine inlets on each side of the nose. Wind tunnel tests began in 1953 as did testing of scale models at speeds up to {{convert |200|km/h| abbr=on}}. A full scale glider was built and made its first flight on 1 October 1954. Most unusually the pilot lay prone and looked out through the clear nose. Flight performance was deemed excellent and manufacture of a prototype powered by a [[Rolls-Royce Derwent]] V began in 1955. This engine was selected as it was readily available, but lacked the thrust desired for the actual fighter. The glider was modified with a normal cockpit in 1956. Shortly afterwards the program was split with the current aircraft becoming a subsonic trainer and a new, more powerful fighter, designated as the [[I.Ae. 48]], with two podded engines under the wings and intended to reach the speed of Mach 2.2.(1450&nbsp;mph). However, both projects were cancelled in 1960 as an economy measure, only a year before the I.Ae. 37 was to fly.<ref>Rivas, pp. 172–72.</ref>
[[Horten brothers|Reimar Horten]] began work on the I.Ae. 37 around 1952, after his earlier flying wing projects were cancelled in 1951. This was a single-engined jet fighter that used a [[Delta wing]] [[flying wing]] structure with lateral engine inlets on each side of the nose. Wind tunnel tests began in 1953 as did testing of scale models at speeds up to {{convert |200|km/h| abbr=on}}. A full scale glider was built and made its first flight on 1 October 1954. Most unusually the pilot lay prone and looked out through the clear nose. Flight performance was deemed excellent and manufacture of a prototype powered by a [[Rolls-Royce Derwent]] V began in 1955. This engine was selected as it was readily available, but lacked the thrust desired for the fighter. The glider was modified with a normal cockpit in 1956. Shortly afterwards the program was split with the current aircraft becoming a subsonic trainer and a new, more powerful fighter, designated as the [[I.Ae. 48]], with two podded engines under the wings and intended to reach Mach 2.2 (2,700&nbsp;km/h). However, both projects were cancelled in 1960 as an economy measure, only a year before the I.Ae. 37 was to fly.{{Sfn | Rivas|2008 | pp = 172–72}}


==Specifications (I.Ae. 37)==
==Specifications (I.Ae. 37)==
{{Aircraft specs
{{Aircraft specs
|ref=<ref>Rivas, p. 170</ref>
|ref={{Harvnb | Rivas |2008| p = 170}}
|prime units?=met
|prime units?=met
⚫
<!-- General characteristics-->
<!--
⚫
General characteristics
-->

|crew=1
|crew=1
|capacity=
|capacity=
|length m=11.78
|length m=11.78
|length ft=32ft10
|length ft=38
|length in=
|length in=8
|length note=
|length note=
|span m=10
|span m=10
|span ft=32ft10
|span ft=32
|span in=
|span in=10
|span note=
|span note=
|height m=4.92
|height m=4.92
|height ft=16ft2
|height ft=16
|height in=
|height in=2
|height note=
|height note=
|wing area sqm=48
|wing area sqm=48
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|time to altitude=
|time to altitude=
|lift to drag=
|lift to drag=
|wing loading kg/m2
|wing loading kg/m2=
|wing loading lb/sqft=
|wing loading lb/sqft=
|wing loading note=
|wing loading note=
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}}
}}


==See also==
==See also==
* [[I.Ae. 43]]
* [[I.Ae. 48]]
* [[I.Ae. 48]]


==References==
==References==
===Notes===
===Notes===
{{reflist |32em}}
{{Reflist|32em}}


====Bibliography====
===Bibliography===
{{refbegin}}
{{refbegin}}
* {{cite journal|last=Rivas|first=Santiago|year= 2008|title= Pioneers & Prototypes: Pulqui, Pulqui II and IA-37/48 | journal = International Air Power Review|publisher= AIRtime|location= Westport, CT|issue= 25|pages= 162–73|issn = 1473-9917}}
* {{cite journal|last=Rivas|first=Santiago|year= 2008|title= Pioneers & Prototypes: Pulqui, Pulqui II and IA-37/48 | journal = International Air Power Review|publisher= AIRtime|location= Westport, CT|issue= 25|pages= 162–73|issn = 1473-9917 }}
* [http://gvranjes.tripod.com/i_ae_37i.htm I.Ae 37]
* {{Citation | contribution-url = http://gvranjes.tripod.com/i_ae_37i.htm | contribution = I.Ae 37 | title = GVRanjes | publisher = Tripod }}{{Dead link|date=March 2024 |bot=InternetArchiveBot |fix-attempted=yes }}.
* {{Citation | language = Castilian | title = FMA – Fábrica militar de aviones | trans_title = FMA – Military aircraft factory | url = http://www.militariarg.com/fma-faacutebrica-militar-de-avionesmilitary-aircraft-factory.html | publisher = Militaria arg}}.
* {{Citation| language = Spanish| title = FMA – Fábrica militar de aviones| trans-title = FMA – Military aircraft factory| url = http://www.militariarg.com/fma-faacutebrica-militar-de-avionesmilitary-aircraft-factory.html| publisher = Militaria arg}}.
* [http://www.nurflugel.com/Nurflugel/Horten_Nurflugels/i_ae_37_48/body_i_ae_37_48.html I.Ae 37]
* [http://www.nurflugel.com/Nurflugel/Horten_Nurflugels/i_ae_37_48/body_i_ae_37_48.html I.Ae 37]
* [http://www.nurflugel.com/Nurflugel/Horten_Nurflugels/i_ae_37_48/i_ae_37-p_plans.jpg I.Ae. 37 schematic]
* [http://www.nurflugel.com/Nurflugel/Horten_Nurflugels/i_ae_37_48/i_ae_37-p_plans.jpg I.Ae. 37 schematic]
* {{Citation | language = Castilian | title = Aviones | trans_title = Aircraft | url = http://www.aeromilitaria.com.ar/ind/aviones/ | place = [[Argentine |AR]]}}.
* {{Citation| language = Spanish| title = Aviones| trans-title = Aircraft| url = http://www.aeromilitaria.com.ar/ind/aviones/| place = [[Argentine|AR]]}}.
* {{Citation | title = Disc aircraft | contribution = Hortendes | contribution-url = http://discaircraft.greyfalcon.us/hortendes.htm | place = [[United States of America |US]] | publisher = Grey falcon}}.
* {{Citation | title = Disc aircraft | contribution = Hortendes | contribution-url = http://discaircraft.greyfalcon.us/hortendes.htm | place = [[United States of America|US]] | publisher = Grey falcon | access-date = 2012-12-03 | archive-date = 2012-10-14 | archive-url = https://web.archive.org/web/20121014180759/http://discaircraft.greyfalcon.us/hortendes.htm | url-status = dead }}.
{{refend}}
{{refend}}


==External links==
==External links==
{{commons category-inline|FMA I.Ae. 37}}
* {{Commons category-inline}}


{{FMA aircraft}}
{{FMA aircraft}}
{{Aviation lists}}


[[Category:Argentine fighter aircraft 1950–1959]]
[[Category:1950s Argentine fighter aircraft]]
[[Category:Abandoned military aircraft projects of Argentina]]
[[Category:Abandoned military aircraft projects of Argentina]]
[[Category:FMA aircraft|I.Ae.37]]
[[Category:FMA aircraft|I.Ae.37]]
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[[Category:Prone pilot aircraft]]
[[Category:Prone pilot aircraft]]
[[Category:Single-engined jet aircraft]]
[[Category:Single-engined jet aircraft]]
[[Category:Unflown aircraft]]

Latest revision as of 06:41, 28 March 2024

FMA I.Ae. 37
Role Interceptor
National origin Argentina
Manufacturer Fábrica Militar de Aviones
Designer Reimar Horten
Status Cancelled 1960

The FMA I.Ae. 37 was a prototype jet fighter developed in Argentina during the 1950s. It never flew and was cancelled in 1960.[1]

Development

[edit]

Reimar Horten began work on the I.Ae. 37 around 1952, after his earlier flying wing projects were cancelled in 1951. This was a single-engined jet fighter that used a Delta wing flying wing structure with lateral engine inlets on each side of the nose. Wind tunnel tests began in 1953 as did testing of scale models at speeds up to 200 km/h (120 mph). A full scale glider was built and made its first flight on 1 October 1954. Most unusually the pilot lay prone and looked out through the clear nose. Flight performance was deemed excellent and manufacture of a prototype powered by a Rolls-Royce Derwent V began in 1955. This engine was selected as it was readily available, but lacked the thrust desired for the fighter. The glider was modified with a normal cockpit in 1956. Shortly afterwards the program was split with the current aircraft becoming a subsonic trainer and a new, more powerful fighter, designated as the I.Ae. 48, with two podded engines under the wings and intended to reach Mach 2.2 (2,700 km/h). However, both projects were cancelled in 1960 as an economy measure, only a year before the I.Ae. 37 was to fly.[2]

Specifications (I.Ae. 37)

[edit]

Data from Rivas 2008, p. 170

General characteristics

  • Crew: 1
  • Length: 11.78 m (38 ft 8 in)
  • Wingspan: 10 m (32 ft 10 in)
  • Height: 4.92 m (16 ft 2 in)
  • Wing area: 48 m2 (520 sq ft)
  • Empty weight: 3,300 kg (7,275 lb)
  • Gross weight: 4,800 kg (10,582 lb)
  • Powerplant: 1 × Rolls-Royce Derwent V turbojet, 16.02 kN (3,600 lbf) thrust

Performance

  • Maximum speed: 800 km/h (500 mph, 430 kn)
  • Range: 2,000 km (600 mi, 520 nmi)
  • Service ceiling: 11,000 m (36,089 ft)

See also

[edit]

References

[edit]

Notes

[edit]
  1. ^ Proyecto IA 37 ala delta [IA 37 project delta wing] (in Spanish), Taringa.
  2. ^ Rivas 2008, pp. 172–72.

Bibliography

[edit]
[edit]
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