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Yakovlev UT-1
par VictorK Mar 26 Jan 2010, 15:15
Yakovlev UT-1, monomoteur soviétique tel que décrit sur Wikipedia de langue anglaise :
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The Yakovlev UT-1 ([Vous devez être inscrit et connecté pour voir ce lien]: УТ-1) was a single-seater [Vous devez être inscrit et connecté pour voir ce lien] used by the [Vous devez être inscrit et connecté pour voir ce lien] from 1937
until the late 1940s.
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The Yakovlev UT-1 ([Vous devez être inscrit et connecté pour voir ce lien]: УТ-1) was a single-seater [Vous devez être inscrit et connecté pour voir ce lien] used by the [Vous devez être inscrit et connecté pour voir ce lien] from 1937
until the late 1940s.
VictorK- CLUB
- Messages : 1029
Re: Yakovlev UT-1
par VictorK Mar 26 Jan 2010, 15:18
Development
The UT-1 was designed as a single-seater advanced trainer and [Vous devez être inscrit et connecté pour voir ce lien] airplane by the team lead by [Vous devez être inscrit et connecté pour voir ce lien].
The first prototype, designated the AIR-14, was flown in early 1936.
The AIR-14 was a small low winged monoplane with a fixed tailwheel undercarriage, with a welded steel fuselage and a wooden wing.
The UT-1 was designed as a single-seater advanced trainer and [Vous devez être inscrit et connecté pour voir ce lien] airplane by the team lead by [Vous devez être inscrit et connecté pour voir ce lien].
The first prototype, designated the AIR-14, was flown in early 1936.
The AIR-14 was a small low winged monoplane with a fixed tailwheel undercarriage, with a welded steel fuselage and a wooden wing.
VictorK- CLUB
- Messages : 1029
Re: Yakovlev UT-1
par VictorK Mar 26 Jan 2010, 15:19
After some changes, the AIR-14 was accepted for production. Among other improvements, the 75 kW (100 hp) Shvetsov
M-11 [Vous devez être inscrit et connecté pour voir ce lien] was changed to the more powerful 86 kW (115 hp) M-11G.
The plane received the designation UT-1 (uchebno-trenirovochnyi {учебно-тренировочный}, primary/advanced trainer);
despite this designation, it was not suitable for primary training.
M-11 [Vous devez être inscrit et connecté pour voir ce lien] was changed to the more powerful 86 kW (115 hp) M-11G.
The plane received the designation UT-1 (uchebno-trenirovochnyi {учебно-тренировочный}, primary/advanced trainer);
despite this designation, it was not suitable for primary training.
VictorK- CLUB
- Messages : 1029
Re: Yakovlev UT-1
par VictorK Mar 26 Jan 2010, 15:21
The UT-1 was used as a transitional type between the [Vous devez être inscrit et connecté pour voir ce lien] and [Vous devez être inscrit et connecté pour voir ce lien] like the [Vous devez être inscrit et connecté pour voir ce lien].
It was not easy to fly, requiring precise piloting, thus forming an ideal intermediate between basic trainers and the
maneuverable but tricky to fly I-16.
In 1939 the plane was modified by moving the engine 26 cm (10 in) forward, which improved its handling.
During production, the 112 kW (150 hp) M-11E engine was also used. Soviet pilots broke several records on the UT-1
before the war, some on its [Vous devez être inscrit et connecté pour voir ce lien] variant.
In total, 1,241 aircraft were built between December 1936 and [Vous devez être inscrit et connecté pour voir ce lien]
It was not easy to fly, requiring precise piloting, thus forming an ideal intermediate between basic trainers and the
maneuverable but tricky to fly I-16.
In 1939 the plane was modified by moving the engine 26 cm (10 in) forward, which improved its handling.
During production, the 112 kW (150 hp) M-11E engine was also used. Soviet pilots broke several records on the UT-1
before the war, some on its [Vous devez être inscrit et connecté pour voir ce lien] variant.
In total, 1,241 aircraft were built between December 1936 and [Vous devez être inscrit et connecté pour voir ce lien]
VictorK- CLUB
- Messages : 1029
Re: Yakovlev UT-1
par VictorK Mar 26 Jan 2010, 15:22
During [Vous devez être inscrit et connecté pour voir ce lien], from 1941, the UT-1 was also used for [Vous devez être inscrit et connecté pour voir ce lien].
Some were used as improvised combat machines, after fitting with underwing machine guns or even 2 unguided rockets.
In February 1942, about 50 UT-1 were converted in workshops as improvised ground attack planes UT-1B (УТ-1б), fitted with two machineguns and 2-4 rockets.
They were next used in the [Vous devez être inscrit et connecté pour voir ce lien] aviation in Sevastopol and Caucasus.
The survivors were disarmed in December 1942.
Some were used as improvised combat machines, after fitting with underwing machine guns or even 2 unguided rockets.
In February 1942, about 50 UT-1 were converted in workshops as improvised ground attack planes UT-1B (УТ-1б), fitted with two machineguns and 2-4 rockets.
They were next used in the [Vous devez être inscrit et connecté pour voir ce lien] aviation in Sevastopol and Caucasus.
The survivors were disarmed in December 1942.
VictorK- CLUB
- Messages : 1029
Re: Yakovlev UT-1
par VictorK Mar 26 Jan 2010, 15:24
Variants
There were a large number of variants, the most numerous or noteworthy were:-
There were a large number of variants, the most numerous or noteworthy were:-
- AIR-14 - Prototype of UT-1
- AIR-18 - UT-1 with a 104 kW (140 hp) [Vous devez être inscrit et connecté pour voir ce lien] Bengali 4 [Vous devez être inscrit et connecté pour voir ce lien] and [Vous devez être inscrit et connecté pour voir ce lien], retractable undercarriage.
- AIR-21 (Ya-21, UT-21) - UT-1 with 164 kW (220 hp) Renault Bengali 6 engine, tested in 1938-39, fixed
undercarriage. - UT-1b - Wartime attack version with 2 x [Vous devez être inscrit et connecté pour voir ce lien] and 2 or 4 [Vous devez être inscrit et connecté pour voir ce lien] rockets.
- UT-1E - (UT-1(15) For tests at TsAGI (sometimes confused with AIR-15, which was not a variant of UT-1).
- UT-1 Floatplane - with [Vous devez être inscrit et connecté pour voir ce lien] engine which later became standard in the majority of UT-1's.
VictorK- CLUB
- Messages : 1029
Re: Yakovlev UT-1
par VictorK Mar 26 Jan 2010, 15:25
Specifications (UT-1 with M-11Ye)
Data from Gordon 2005 and Gunston 1995
General characteristics
Data from Gordon 2005 and Gunston 1995
General characteristics
VictorK- CLUB
- Messages : 1029
Re: Yakovlev UT-1
par VictorK Mar 26 Jan 2010, 15:26
Performance
Armament
- Maximum speed: 257 km/h (160 mph)
- Range: 670 km (419 miles)
- Service ceiling: 7,120 m (23,360 ft)
- Rate of climb: 7.4 m/s (1,457 ft/min)
Armament
VictorK- CLUB
- Messages : 1029
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