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Sukhoi Su-31
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The
Sukhoi SU-31 is the most agile and powerful
aerobatic aircraft in production today. This
single-seat aircraft has the highest
power-to-weight ratio of any piston engine
aircraft, giving the SU-31 truly unbelievable
sustained vertical line. Although the Su-31 is
physically similar to the SU-26, it is actually
really quite different. The main difference
being that the entire fuselage, is everything
behind the cockpit, is composite rather than
tubular steel. This reduces the weight by some
30 kg's, which is very significant in an
aircraft of this sort.
Current Versions of the Sukhoi
Su-31:
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Su-31: |
Basic version;
non-retractable landing gear.
Alternatively known as Su-31T (Turnirnyi:
Competition). |
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Su-31M: |
As Su-31T but
with Zvezda SKS-94 pilot's extraction
system under modified canopy with deeper
frame. Empty weight 760 kg; normal T-O
weight 880 kg. Prototype RA-01486
converted from Su-31T. |
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Su-31M2: |
Available from
2000 (first production batch of five).
M-9F engine; lightened structure. |
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Su-31X:
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Export version of
Su-31T. |
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Developing
nation: |
Russia |
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Manufacturer/designer: |
Sukhoi Design
Bureau/Sukhoi Advanced Technologies. |
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Production line: |
Moscow. |
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Type aircraft: |
unlimited
aerobatic competition aircraft. |
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First flight: |
June 1992. |
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Cockpit: |
one pilot. |
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Wing span |
7,80 m. |
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Wing area: |
11,80 mē. |
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Wing sweep: |
5.2 degrees. |
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Fuselage length: |
6,90 m. |
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Height: |
2,76 m. |
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Horizontal tail
unit: |
2,90 m. |
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Wheelbase: |
4,90 m. |
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Track: |
2,40 m. |
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Engines: |
one VOKBM
M-14PF nine-cylinder radial engine rated 294 KW. |
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Propeller: |
MTV-9
three-blade propeller diameter 2.50 m. |
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Weight: |
740 Kg. |
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Fuel:
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fuselage tank
capacity 53 liters. |
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wing tank
capacity 209 liters. |
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Max. take off
weight: |
968 Kg. |
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Take-off speed:
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110 km/h. |
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Landing speed: |
115 km/h. |
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Max. speed: |
450 km/h. |
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Service
ceiling: |
4.000 m. |
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Max rate of
roll: |
400°/sec. |
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G-limits: |
+12/-10 m. |
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Range: |
max. range 740
- 1.200 km. |
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Performance: |
max. rate of
climb at sea level 1.440 m per minute. |
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Take-off run: |
110 m. |
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Landing run: |
300 m. |
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