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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. -->
{|{{Infobox Aircraft Begin
{|{{Infobox aircraft begin
|name =P-1
|name =P-1
|image = П-1 экспериментальный перехватчик.png
|image =image:Sukhoi P-1.jpg
|caption =
|caption =
}}{{Infobox Aircraft Type
}}{{Infobox aircraft type
|type =Interceptor
|type =Interceptor
|manufacturer =[[Sukhoi]] [[OKB]]
|manufacturer =[[Sukhoi]] [[OKB]]
|designer =
|designer =
|first flight =12 July 1957<ref name = "Gordon SI">Gordon, Yefim. ''Sukhoi Interceptors”. Hinkley, Midland. 2004. ISBN 1-85780-180-6</ref>
|first flight =12 July 1957<ref name = "Gordon SI">{{cite book |last=Gordon |first=Yefim |title=Sukhoi Interceptors |year=2004 |publisher=Midland |location=Hinkley |isbn=978-1-85780-180-4 |pages=43–45}}</ref>
|introduced =
|introduced =
|retired =
|retired =
|status =Prototype only
|status =Prototype only
|primary user =
|primary user =
|more users =
|more users =
|produced =
|produced =
|number built =1
|number built =1
|unit cost =
|unit cost =
|variants with their own articles =
|variants with their own articles =
}}
}}
|}
|}
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==Development==
==Development==
Sukhoi began design studies for what was to become '''Izdeliye P''' in 1954 to meet an urgent request from the [[Ministry of Aircraft Production]] (MAP - ''Ministerstvo Aviatsionnoy Promyshlennosti'' - ministry of aviation industry). The early studies considered crew size, armament (missiles, cannon or both), and powerplant (with a choice of [[Lyul'ka AL-9 or AL-11]], [[Klimov VK-9]]F, [[Kuznetsov P-2]] or [[Kuznetsov P-4]] engines).<ref name = "Gordon SI"/>
Sukhoi began design studies for what was to become '''Izdeliye P''' in 1954 to meet an urgent request from the [[Ministry of Aviation Industry]] (MAP – ''Ministerstvo Aviatsionnoy Promyshlennosti'' – ministry of aviation industry). The early studies considered crew size, armament (missiles, cannon or both), and powerplant (with a choice of [[Lyul'ka AL-9 or AL-11]], [[Klimov VK-9]]F, [[Kuznetsov P-2]] or [[Kuznetsov P-4]] engines).<ref name = "Gordon SI"/>


The P-1 was designed for the ''Uragan-1'' (Hurricane-1) collision-course intercept [[radar]], which was quite complex and bulky, requiring a crew of two and air intakes either side of the fuselage rather than at the nose, retaining the delta wing of the [[Sukhoi T-3]] with 57-degree leading edge sweep. Although the production aircraft was intended to use the [[Lyul'ka AL-9]] engine, then in development, the prototype was fitted with a [[Lyulka AL-7]]F of lower power.<ref name="green">Green, William & Swanborough, Gordon. “The Great Book of Fighters”. 2001. MBI Publishing.ISBN 0760311943</ref>
The P-1 was designed for the ''Uragan-1'' (Hurricane-1) collision-course intercept [[radar]], which was quite complex and bulky, requiring a crew of two and air intakes either side of the fuselage rather than at the nose, retaining the delta wing of the [[Sukhoi T-3]] with 57-degree leading edge sweep. Although the production aircraft was intended to use the [[Lyul'ka AL-9]] engine, then in development, the prototype was fitted with a [[Lyulka AL-7]]F of lower power.<ref name="green">{{cite book |last=Green |first=William |title=The Great Book of Fighters |year=2001 |publisher=MBI Publishing |isbn=978-0-7603-1194-3 |first2=Gordon |last2=Swanborough }}</ref>


The P-1 first flew in July 1957 but underwent only limited flight testing due to unavailability of the intended powerplant and ongoing problems with the radar and missile systems as well as lukewarm enthusiasm from the [[Soviet Air Force|VVS]] (''Voyenno-Vozdooshnyye Seely'' - Soviet air force). OKB-51 persisted for some time trying to raise enthusiasm for the P-1 by proposing an even bigger engine, the [[Tumansky R-15]]-300 afterburning turbojet, with singular lack of success. The sole P-1 prototype was relegated to experimental work and later scrapped.<ref name = "Gordon SI"/>
The P-1 first flew in July 1957 but underwent only limited flight testing due to unavailability of the intended powerplant and ongoing problems with the radar and missile systems as well as lukewarm enthusiasm from the [[soviet Air Forces|VVS]] (''Voyenno-Vozdooshnyye Seely'' – Soviet air forces). OKB-51 persisted for some time trying to raise enthusiasm for the P-1 by proposing an even bigger engine, the [[Tumansky R-15]]-300 afterburning turbojet, with singular lack of success. The sole P-1 prototype was relegated to experimental work and later scrapped.<ref name = "Gordon SI"/>


A second prototype, the '''P-2''' was studied, powered by twin [[Klimov VK-11]] engines in the rear fuselage, but this version was cancelled at the mock-up review stage.<ref name = "Gordon SI"/>
A second prototype, the '''P-2''' was studied, powered by twin [[Klimov VK-11]] engines in the rear fuselage, but this version was cancelled at the mock-up review stage.<ref name = "Gordon SI"/>


==Specifications (P-1 as designed)==
==Specifications (P-1 as designed)==
[[File:Sukhoi P-1 top-view silhouette.png|thumb|Sukhoi P-1 silhouette]]
{{Aircraft specifications
{{Aircraft specs
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|ref=Green,<ref name="green"/> Sukhoi Interceptors<ref name = "Gordon SI"/>
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|ref=Green<ref name="green"/>
|crew=2
|crew=2
|length main=21.3 m
|length m=21.3
|length alt=69 ft 11 in
|length note=
|span main=9.8 m
|span m=9.8
|span alt=32 ft 2 in
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|area main=44.0 m²
|wing area sqm=44
|area alt=474 ft²
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|loaded weight main=10750 kg
|gross weight kg=10750
|loaded weight alt=23,700 lb
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<!--
Powerplant
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|eng1 number=1
|eng1 name=[[Lyulka AL-7F]]
|eng1 type=[[afterburning turbojet]] engine
|eng1 lbf=15100
|eng1 note=
|eng1 lbf-ab=19730


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|engine (jet)=[[Lyulka AL-7]]
Performance
|type of jet=[[turbojet]]
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|number of jets=1
|max speed kmh=2050
|thrust main=
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|thrust alt=
|max speed mach=1.93

|max speed main=2050 km/h
|cruise speed kmh=
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|max speed alt=1,105 knots, 1,275 mph, [[Mach number|Mach 1.93]]
|stall speed kmh=
|range main=2000 km
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|range alt=1,080 nm, 1,240 mi
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<!--
Armament
-->
|rockets= 50x ARS-57 {{cvt|57|mm|1}} un-guided folding-fin rockets in pop-up launchers around the fuselage nose
|missiles= 2 × K-7 radar-guided missiles


|avionics=
|armament=
*AP-38Zh-1B autopilot
*1 × 37 mm [[Nudelman N-37]] cannon
*2 × K-7 radar-guided missiles
*pantera fire-control radar
*AEK-54 ADF
*50 × spin-stabilized unguided rockets
*MRP-56P marker beacon Rx
}}
*RV-U long-range radar altimeter

*SOD-57M DME
==See also==
*GIK-1 gyro-flux gate compass
{{aircontent
*AGI-1 artificial horizon
|related=
*RSIU-4V VHF
|similar aircraft=
*SPU-2 intercom
|sequence=
*''Gorizont-1'' (Horizon-1) GCI
|lists=
*SRZO-2M Kremniy-2M IFF
|see also=
*''Sirena-2'' RWR
{{Sukhoi aircraft}}
}}
}}


==References==
==References==
{{commons category|Sukhoi P-1}}
{{Reflist}}
{{Reflist}}


==Further reading==
{{Refbegin}}
* {{cite book |last=Gunston |first=Bill |title=The Osprey Encyclopedia of Russian Aircraft 1875–1995 |year=1995 |publisher=Osprey |location=London |isbn=9781841760964 }}

*Gordon, Yefim. ''Sukhoi Interceptors”. Hinkley, Midland. 2004. ISBN 1-85780-180-6
*Gunston, Bill. ''The Osprey Encyclopaedia of Russian Aircraft 1875 – 1995”. London, Osprey. 1995. ISBN 1-85532-405-9
{{Refend}}
<!--<nowiki>
See http://en.wikipedia.org/wiki/Wikipedia:Footnotes for an explanation of how
to generate footnotes using the <ref> and </ref> tags, and the template below
</nowiki>-->


{{Sukhoi aircraft}}


[[Category:Sukhoi aircraft|P-1]]
[[Category:Sukhoi aircraft|P-1]]
[[Category:Soviet fighter aircraft 1950–1959]]
[[Category:1950s Soviet fighter aircraft]]
[[Category:Abandoned military aircraft projects of the Soviet Union]]
[[Category:Abandoned military aircraft projects of the Soviet Union]]
[[Category:Single-engined jet aircraft]]

[[Category:Delta-wing aircraft]]
[[de:Suchoi P-1]]
[[Category:Aircraft first flown in 1957]]
[[it:Sukhoi P-1]]
[[vi:Sukhoi P-1]]
[[fi:Suhoi P-1]]

Revision as of 16:58, 15 August 2023

P-1
Role Interceptor
Manufacturer Sukhoi OKB
First flight 12 July 1957[1]
Status Prototype only
Number built 1

The Sukhoi P-1 was a prototype Soviet interceptor.

Development

Sukhoi began design studies for what was to become Izdeliye P in 1954 to meet an urgent request from the Ministry of Aviation Industry (MAP – Ministerstvo Aviatsionnoy Promyshlennosti – ministry of aviation industry). The early studies considered crew size, armament (missiles, cannon or both), and powerplant (with a choice of Lyul'ka AL-9 or AL-11, Klimov VK-9F, Kuznetsov P-2 or Kuznetsov P-4 engines).[1]

The P-1 was designed for the Uragan-1 (Hurricane-1) collision-course intercept radar, which was quite complex and bulky, requiring a crew of two and air intakes either side of the fuselage rather than at the nose, retaining the delta wing of the Sukhoi T-3 with 57-degree leading edge sweep. Although the production aircraft was intended to use the Lyul'ka AL-9 engine, then in development, the prototype was fitted with a Lyulka AL-7F of lower power.[2]

The P-1 first flew in July 1957 but underwent only limited flight testing due to unavailability of the intended powerplant and ongoing problems with the radar and missile systems as well as lukewarm enthusiasm from the VVS (Voyenno-Vozdooshnyye Seely – Soviet air forces). OKB-51 persisted for some time trying to raise enthusiasm for the P-1 by proposing an even bigger engine, the Tumansky R-15-300 afterburning turbojet, with singular lack of success. The sole P-1 prototype was relegated to experimental work and later scrapped.[1]

A second prototype, the P-2 was studied, powered by twin Klimov VK-11 engines in the rear fuselage, but this version was cancelled at the mock-up review stage.[1]

Specifications (P-1 as designed)

Sukhoi P-1 silhouette

Data from Green,[2] Sukhoi Interceptors[1]

General characteristics

  • Crew: 2
  • Length: 21.3 m (69 ft 11 in)
  • Wingspan: 9.8 m (32 ft 2 in)
  • Wing area: 44 m2 (470 sq ft)
  • Gross weight: 10,750 kg (23,700 lb)
  • Powerplant: 1 × Lyulka AL-7F afterburning turbojet engine, 67 kN (15,100 lbf) thrust dry, 87.8 kN (19,730 lbf) with afterburner

Performance

  • Maximum speed: 2,050 km/h (1,270 mph, 1,110 kn)
  • Maximum speed: Mach 1.93
  • Range: 2,000 km (1,200 mi, 1,100 nmi)
  • Service ceiling: 19,500 m (64,000 ft)

Armament

  • Rockets: 50x ARS-57 57 mm (2.2 in) un-guided folding-fin rockets in pop-up launchers around the fuselage nose
  • Missiles: 2 × K-7 radar-guided missiles

Avionics

  • AP-38Zh-1B autopilot
  • pantera fire-control radar
  • AEK-54 ADF
  • MRP-56P marker beacon Rx
  • RV-U long-range radar altimeter
  • SOD-57M DME
  • GIK-1 gyro-flux gate compass
  • AGI-1 artificial horizon
  • RSIU-4V VHF
  • SPU-2 intercom
  • Gorizont-1 (Horizon-1) GCI
  • SRZO-2M Kremniy-2M IFF
  • Sirena-2 RWR

References

Wikimedia Commons has media related to Sukhoi P-1.
  1. ^ a b c d e Gordon, Yefim (2004). Sukhoi Interceptors. Hinkley: Midland. pp. 43–45. ISBN 978-1-85780-180-4.
  2. ^ a b Green, William; Swanborough, Gordon (2001). The Great Book of Fighters. MBI Publishing. ISBN 978-0-7603-1194-3.

Further reading

  • Gunston, Bill (1995). The Osprey Encyclopedia of Russian Aircraft 1875–1995. London: Osprey. ISBN 9781841760964.
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