Saunders Roe SR.53 and 177

In the mid-fifties the British aircraft industry produced a number of operational jet fighters with trans-sonic capabilities like the Hawker Hunter, Gloster Javelin, De Havilland Sea-Vixen and the Vickers-Supermarine Scimitar. During this time, a new generation of supersonic fighters and fighter-bombers was being developed with a number of various prototypes in advanced stages.

The capture of the German Messerschmitt Me-163B rocket fighter provided British engineers much knowledge on bi-fuel rocket motors. We see here one of the captured Me-163B\'s in RAF markings. Serial number was VF241. This particular machine is now on display at the RAF Museum at Duxford carrying German markings with number 191060.
The capture of the German Messerschmitt Me-163B rocket fighter provided British engineers much knowledge on bi-fuel rocket motors. We see here one of the captured Me-163B\'s in RAF markings. Serial number was VF241. This particular machine is now on display at the RAF Museum at Duxford carrying German markings with number 191060.
The first SR.53, no XD145, with a carefully blackened background! Apparently this background, the premises of Boscombe Down, were regarded as classified! (Saunders Roe photo)
The first SR.53, no XD145, with a carefully blackened background! Apparently this background, the premises of Boscombe Down, were regarded as classified! (Saunders Roe photo)
Some of them were actually built and flown before the notorious ‘White Paper’ was released by the British Tory government. This document effectively killed all projects except for the English Electric Lightning, which was regarded as the ‘last manned fighter’ of both the RAF and Navy. In fact, this also meant that the whole British aircraft industry missed many chances for production orders to other countries! In this article, we shall discuss one of these projects that actually resulted in a flying prototype: the Saunders Roe SR.53 mixed-power interceptor. Also, we shall have a closer look at the never-built SR.177. Particularly the SR.177 which was a very promising design since it lacked the disadvantages of low power and short range of the SR.53…………

Development of the SR.53

With a captured German Me-163 Komet rocket fighter as an example, British aircraft engineers in the late forties/early fifties started on several projects of a similar point defence fighter. The major drawbacks of the Me-163 were that it could only use its excess of speed for a very short period of time to execute a bomber interception and once that its rocket fuel was exhausted, it was nothing more than a glider and after landing, it had to be towed away making it very vulnerable during an enemy air attack. For a more sustainable flight, British designers (and also designers from a number of various other countries) came up with the concept of the mixed-propulsion jet fighter. It could cruise on a jet engine and once it had to make an interception the rocket engine was ignited. This gave the plane a tremendous rate of climb combined with a very high -supersonic- speed. Also Saunders Roe Ltd, based at Cowes on the Isle of Wight, designed such a mixed-propulsion fighter: the SR.53.

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  2. The Kawasaki Ki-78 KEN III research plane
  3. Fokker S-14 Machtrainer
  4. The Fairey Rotodyne
  5. Vickers Supermarine Type 381 Seagull ASR-1

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About the Author

Nico

Born: 21.05.1946 Nationality: Dutch Flying experience: gliders only; more than 1100 starts or 215 hours since 1991 on the following types: two-seaters: Schleicher ASK-13, Schleicher ASK-21, Grob Twin Astir Single seaters: Schleicher K-8c, PZL-Bielsko SZD-51-1 Junior, Rolladen-Schneider LS-4b, Pilatus B4-PC-11, Schleicher ASK-23 Interest: aircraft built as prototype or in small numbers only Photos: more than 10,000 world-wide covering the period 1930 up to now Archive: technical info and 3-view drawings on most types; more than 850 books on aviation.

2 Responses to “Saunders Roe SR.53 and 177”

  1. Great web pages. I am a bit of an aircraft freak and regret the passing of a great UK aircraft building industry. Living close to the isle of wight I also remeber the days of the Princess flying boat and the Empire flying boats that used to fly from Calshot.

  2. Hello Nico
    I wonder if you can help me.

    I play a game that uses all sorts of transport.

    One form that is currently under consideration for introduction into the game is Flying boats. A moddeler who designs planes needs has been approached by me to make a graphic model of the SR Princess flying boat.

    He requests basic dimensions.

    This is to eneble him to design a scaled down model of it.

    The finished view of the Aircraft is a maximum of 250 PIXELS in size!.

    So the dimensions are simply the overal length, wingspan, under_carraige (hull) tail hieghts, engine size and spacing’s etc necessary to present a reaonable image to the screen. The execcutable program has built in variable values that refer to sprite sizes (graphics).

    So if you have any information that I can pass directly to my moddleing friend (A Russian player of the game) that would be great.

    The game is called locomotion by Chris Sawyer and published by Atari since 2004.

    Thank you

    Brian

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