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Mikoyan-Gurevich I-270


Single-Seat Rocket-Powered Interceptor


Soviet Union | 1946



"The Mikoyan-Gurevich I-270 rocket-powered interceptor was influenced by the late-World War 2 German Messerschmidt Me 263 of similar form and function."



Authored By: Staff Writer | Last Edited: 03/08/2020 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
In 1944, the German Luftwaffe revealed its rocket-powered interceptor, the Messerschmitt Me 163 "Komet", much to the surprise of Allied bomber crews. While an extremely fast specimen due to its raw rocket power, the aircraft suffered from having a small window from which to do its most damage - perhaps a few passes through a bomber formation with cannons blazing and nothing more. The aircraft was fueled by the dangerous "T-Stoff" / "C-Stoff" combination and lacked a conventional undercarriage, gliding - unpowered - back to the ground and landing on a crude belly skid.

From this the Reich Air Ministry envisioned an improved form of the same interceptor and charged the Junkers concern with development (as the "Ju 248"). In time, the product became officially designated as the "Me 263" but was only available as three largely incomplete prototypes when Allied forces took over the development facility. Studied at length, the Me263 provided useful information to both the Americans and the Soviets in the immediate post-war period. The Me 263 carried over the bubble canopy and swept-back wings of its predecessor (though the wooden wings introduced more fuel pockets) but was given a lengthened fuselage and fully-retracting tricycle undercarriage.

From this data, combined with work completed by the Soviets back in the mid-1930s on the Korolyov RP-318 rocket plane and the Bereznyak-Isayev BI-1 rocket plane of 1942, arose a new local design also intended as a rocket-powered, point defense interceptor - the Mikoyan-Gurevich "I-270".

The I-270 brought with it some of the design qualities of the earlier Me 263 but was wholly its own aircraft design before the end. The fuselage was rounded and held the single-seat cockpit at front aft of the short nosecone as well as fuel stores, the rocket motor and avionics suite. The wing mainplanes were mid-mounted along the fuselage sides but straight in their general shape (with clipped tips). A single vertical tailfin was in play (as in the Me 163/263) with the major change being a high-mounted horizontal stabilizer fitted to the fin to produce a "T-style" tail unit. A tricycle (fully-retractable) undercarriage was also installed.

Power was from a single Dushkin-Glushko RD-2 M3-V series rocket engine and this outputted at 3,190 lb of thrust. Maximum speed was rated at 580 miles per hour with a service ceiling reaching 55,760 feet. Rate-of-climb was a 16,240 feet per minute.

Proposed armament became 2 x 23mm Nudelman-Suranov NS-23 automatic cannons.

Just two I-270 rocket planes were built for the Mikoyan-Gurevich flight program. The airframe was trialed in glider form during late-1946 but it was not until early-1947 that a fully-equipped, powered version took to the skies for the first time. However, this prototype suffered heavy damage when landing and could not be repaired. The other prototype suffered a similar fate, a hard landing rendering the product wholly useless for further testing. As such, little more was had on the project and, by this time, Soviet authorities turned their attention to perfecting turbojet and missile technologies instead, leaving the I-270 as nothing more than a short-lived footnote in Soviet aviation history.

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Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Mikoyan-Gurevich I-270 Single-Seat Rocket-Powered Interceptor.
1 x Dushkin-Glushko RD-2 M-3V rocket engine developing 3,190 lb of thrust.
Propulsion
581 mph
935 kph | 505 kts
Max Speed
55,774 ft
17,000 m | 11 miles
Service Ceiling
40 miles
65 km | 35 nm
Operational Range
16,240 ft/min
4,950 m/min
Rate-of-Climb
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
NYC
 
  LON
LON
 
  PAR
PAR
 
  BER
BER
 
  MOS
MOS
 
  TOK
TOK
 
  SYD
SYD
 
  LAX
LAX
 
  NYC
Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the Mikoyan-Gurevich I-270 Single-Seat Rocket-Powered Interceptor.
1
(MANNED)
Crew
29.3 ft
8.92 m
O/A Length
25.4 ft
(7.75 m)
O/A Width
10.1 ft
(3.08 m)
O/A Height
3,406 lb
(1,545 kg)
Empty Weight
9,083 lb
(4,120 kg)
MTOW
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
RANGE
ALT
SPEED
Armament
Available supported armament and special-mission equipment featured in the design of the Mikoyan-Gurevich I-270 Single-Seat Rocket-Powered Interceptor .
PROPOSED:
2 x 23mm Nudelman-Suranov NS-23 automatic cannons.
Variants
Notable series variants as part of the Mikoyan-Gurevich I-270 family line.
I-270 - Base Series Designation; two prototypes completed (both flyable); both prototypes destroyed in landing accidents.
Operators
Global customers who have evaluated and/or operated the Mikoyan-Gurevich I-270. Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 2 Units

Contractor(s): Mikoyan-Gurevich OKB (MiG) - Soviet Union
National flag of the Soviet Union

[ Soviet Union (cancelled) ]
Relative Max Speed
Hi: 750mph
Lo: 375mph
Aircraft Max Listed Speed (581mph).

Graph Average of 563 MPH.
Era Crossover
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
Production Comparison
2
36183
44000
Entry compared against Ilyushin IL-2 (military) and Cessna 172 (civilian) total production.
MACH Regime (Sonic)
Sub
Trans
Super
Hyper
HiHyper
ReEntry
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030
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1 / 1
Image of the Mikoyan-Gurevich I-270
Image copyright www.MilitaryFactory.com; No Reproduction Permitted.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
INTERCEPTION
X-PLANE
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Mikoyan-Gurevich I-270 Single-Seat Rocket-Powered Interceptor appears in the following collections:
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