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Saunders-Roe SR.45 (Princess)


Flying Boat (1952)


Aviation / Aerospace

The Saunders-Roe Princess flying boat became the largest all-metal flying boat aircraft to have been built - just one example was completed.



Authored By: Staff Writer | Last Edited: 05/04/2019 | Content ©www.MilitaryFactory.com

Specifications



Service Year
1952

Origin
United Kingdom national flag graphic
United Kingdom

Status
CANCELLED
Development Ended.
Crew
6

Production
1
UNITS


Saunders-Roe (SARO) - UK
National flag of the United Kingdom United Kingdom
(OPERATORS list includes past, present, and future operators when applicable)
Transport
General transport functionality to move supplies/cargo or personnel (including wounded and VIP) over range.
Commercial Aviation
Used in roles serving the commercial aviation market, ferrying both passengers and goods over range.
X-Plane (Developmental, Prototype, Technology Demonstrator)
Aircraft developed for the role of prototyping, technology demonstration, or research / data collection.


Length
147.6 ft
(45.00 m)
Width/Span
219.5 ft
(66.90 m)
Height
55.7 ft
(16.99 m)
Empty Wgt
190,038 lb
(86,200 kg)
MTOW
345,023 lb
(156,500 kg)
Wgt Diff
+154,985 lb
(+70,300 kg)
(Showcased structural values pertain to the Saunders-Roe SR.45 production variant)
Installed: 4 x Bristol Coupled-Proteus 610 turboprop engines developing 5,000 horsepower each with 2 x Bristol Proteus 620 turboprop engines developing an additional 2,500 horsepower; All engines driving four-bladed propeller units.
Max Speed
379 mph
(610 kph | 329 kts)
Ceiling
39,370 ft
(12,000 m | 7 mi)
Range
5,720 mi
(9,205 km | 17,048 nm)
Rate-of-Climb
1,900 ft/min
(579 m/min)


♦ 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


(Showcased performance specifications pertain to the Saunders-Roe SR.45 production variant. Compare this aircraft entry against any other in our database. View aircraft by powerplant type)
None.


SR.45 "Princess" - Base Series Designation.


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