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Tupolev Tu-98 (Backfin)


Swept-Wing, Supersonic Strategic Bomber Prototype Aircraft


Soviet Union | 1956



"Only a single prototype of the Tupolev Tu-98 Backfin bomber was ever completed."



Authored By: Staff Writer | Last Edited: 08/23/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
Following World War 2, the aviation world was moving along at breakneck speeds in development of advanced jet-powered designs. These initiatives were only furthered by the Cold War between the Soviet Union and the West - primarily Europe and the United States. Both the US and Soviet Empire undertook broad-reaching experiments in supersonic jet-powered flight, utilizing all available modern technologies while incorporating mixes of new ones into the fold. One such development of Soviet engineers became the ultimately abandoned Tupolev Tu-98 project - known to NATO as "Backfin". Only a single prototype example was ever realized but the data and experience collected helped to shape other design projects coming into the fold.

Since 1954, the Soviet Air Force made extensive use of the Tupolev Tu-16 "Badger" series of jet-powered strategic bombers. Some 1,509 of them were built in a plethora of variants which saw considerable export to Soviet-allied nations and states. Both the Soviet Air Force and Navy utilized the type and many operated into the 1990s, being inherited from the Soviet empire collapse of 1991. The Tupolev concern, already eying the Tu-16's eventual replacement, gave thought to a more capable and modernized form. A pair of Lyulka AL-7 turbojet engines was selected and a conventional design with high side-mounted intakes was developed. Wings were highly swept back in typical Soviet fashion with a stepped cockpit and heavily glazed nose cone. A single vertical tail fin capped the rear portion of the tubular fuselage. while a fully retractable undercarriage featuring two main legs and a nose leg was devised. The dual engine configuration exhausted through a closely set pair of exhaust rings under the vertical tail unit. Construction of the initial example was underway in 1955 and a first flight was quickly recorded in 1956. The West recognized the development that same year when a visiting American delegation was shown the aircraft at the Kubinka Air Base that June. The design - assigned the designation of "Tu-98" - was crewed by three personnel and its engines outputted at 21,000lbs thrust each, capable of speeds in excess of 850 miles per hour with a range out to 1,500 miles and able to operate upwards of 41,000 feet. The armament payload was expected to be up to 11,000lbs of ordnance with 3 x 23mm Nudelman-Rikhter NR-23 series cannons as standard defense.

Despite the promising nature of the design, the Tu-98 was only ever completed in this initial prototype and never selected for serial production. The program was eventually disbanded though the experience was put to good use in developing the upcoming Tupolev Tu-28 interceptor. The two-seat, twin-engined interceptor existed in 198 examples while being outfitted with various air-to-air weaponry.

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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 Tupolev Tu-98 (Backfin) Swept-Wing, Supersonic Strategic Bomber Prototype Aircraft.
2 x Lyulka AL-7F turbojet engines developing 20,900lb of thrust each.
Propulsion
848 mph
1,365 kph | 737 kts
Max Speed
41,831 ft
12,750 m | 8 miles
Service Ceiling
1,516 miles
2,440 km | 1,317 nm
Operational Range
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 Tupolev Tu-98 (Backfin) Swept-Wing, Supersonic Strategic Bomber Prototype Aircraft.
3
(MANNED)
Crew
105.2 ft
32.06 m
O/A Length
56.7 ft
(17.27 m)
O/A Width
26.4 ft
(8.06 m)
O/A Height
85,980 lb
(39,000 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 Tupolev Tu-98 (Backfin) Swept-Wing, Supersonic Strategic Bomber Prototype Aircraft .
STANDARD:
3 x 23mm Nudelman-Rikhter NR-23 series cannons

Up to 11,000lbs of ordnance.
Variants
Notable series variants as part of the Tupolev Tu-98 (Backfin) family line.
Tu-98 ("Backfin") - Base Series Designation; single prototype completed.
Operators
Global customers who have evaluated and/or operated the Tupolev Tu-98 (Backfin). Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 1 Units

Contractor(s): Tupolev - Soviet Union
National flag of the Soviet Union

[ Soviet Union ]
Relative Max Speed
Hi: 1000mph
Lo: 500mph
Aircraft Max Listed Speed (848mph).

Graph Average of 750 MPH.
Era Crossover
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
Production Comparison
1
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
Aviation Timeline
EarlyYrs
WWI
Interwar
WWII
ColdWar
Postwar
Modern
Future
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Image of the Tupolev Tu-98 (Backfin)
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Image of the Tupolev Tu-98 (Backfin)
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Image of the Tupolev Tu-98 (Backfin)
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Image of the Tupolev Tu-98 (Backfin)

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
GROUND ATTACK
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 Tupolev Tu-98 (Backfin) Swept-Wing, Supersonic Strategic Bomber Prototype Aircraft appears in the following collections:
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