BAC Canberra MR.24 "Rudra"

Started by rickshaw, September 08, 2012, 06:22:59 AM

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rickshaw

After the Sandys White Paper in 1957, English-Electric, the company that had designed and built the Canberra was fated to merge with Bristol Aeroplane Company and Vickers-Armstrong to form the British Aircraft Corporation.   At the same time, there was the ill-fated decision to end manned bomber and fighter development.  There was also a draw down of the RAF.  Many squadrons were to be disbanded and of course, their aircraft scrapped.

The Canberra production line was to be kept open for a while longer though, as orders both domestically and overseas for this versatile light bomber continued.  Many nations were also supplied with refurbished Canberras, as well as new built ones.  BAC foresaw that there would be a large demand for spares for some time to come.   So, the corporation decided to purchase back from the MoD many of the retired Canberra airframes and all their associated equipment.

This left BAC with a problem though.  While the aircraft had been comparatively cheap, once they were stripped of valuable components, there was a still a large quantity of capital tied up in the airframes for which they could only realise as scrap.  Idling at his desk one day, a junior designer was daydreaming when it suddenly hit him.  BAC could build a new, different version of the Canberra, using the derelict airframes!  Casting his eye around, it alit upon a copy of Flight that he'd just been reading.  He grabbed it and found the editorial which talked about the upcoming Indian plan for a new Maritime Reconnaissance aircraft, to replace the Indian Air Force's ragtag collection of old WWII Liberators and converted civilian Lockheed Constellation passenger aircraft.  It was expected that it would be a contest between the new P-3 Orion, Hawker Siddeley Nimrod or the  Breguet Atlantic.   Grabbing a pad, he quickly sketched a Maritime Reconnaissance aircraft, utilising Canberra components.   Realising that the thirsty turbo-jet engines would prevent it from having adequate range, he replaced them with a pair of turbo-props.   In order to provide an adequate search radar, a radome was attacked to the rear fuselage.  The nose and rear of the fuselage was extended considerably to provide room for more fuel and crew.   Taking his rough sketches to his superior he spoke eloquently about his idea and showed him the sketches.   

His superior, intrigued by the idea and realising the utility of utilising a combination of remanufactured and new components, he took his subordinate to see the Chief Designer, Sir Frederick Page.  Page listened to the proposal and said, that the young man was to be given time to develop it.  He had to report back in 4 weeks with a serious proposal.  What he came up with was to become the Canberra MR.24 "Rudra".  "Rudra" was the Hindu god of wind or storm and the hunt.  The proposal was squarely aimed at the Indian need for a new Maritime Reconnaissance aircraft.  Powered by two Rolls Royce Tyne Turbo-props, with an extensive extension to the fuselage both fore and aft of the wings and a large extension to the wingspan.  There was also intended to be a large ventral radome and a MAD boom and other sensors to allow it to detect submarines.

Page decided on his own authority to authorise the construction of an aerodynamic prototype as a "proof of concept".   A B.6 with relatively low hours was chosen.   Extra fuselage frames were inserted and a the tips of the wings extended.  A new undercarriage was designed, based on existing designs for the HP Herald, to ensure adequate clearance for the propellers and the radome on rotation.   Flown with the "trade plate" registration of G-RUDR it was painted in the standard MR scheme of the day, white upper fuselage and grey lower and wings.  The Tyne nacelles were also finished in white.   A black anti-glare panel in front of the canopy completed the scheme.

G-RUDR was taxied in October 1963 but it was quickly realised that there was insufficient fin area to control the aircraft with its huge turbo-props.  So a triple tail was quickly designed, again utilising existing Canberra components, in this case the wing tips which had been discarded when they were extended.   Later that month, it successfully undertook its first test flight.   During the 1964 SBAC Show at Farnborough it was demonstrated before  a large crowd, including a visiting delegation from the Indian Air Force.

In late 1964, G-RUDR was flown to India at the request of the Indian Air Force who were intrigued by the possibilities that it presented.   They extensively tested it over the Indian ocean and around the Indian coastline.   However, on the flight home the aircraft suffered an unexpected structural failure when landing back in the UK.  It broke its back and the subsequent investigation showed that the resonance from the large propellers had caused structural fatigue with the subsequent failure of the fuselage extension, behind the cockpit.  G-RUDR was broken up and the project terminated when the expected orders from India did not materialise.  India in the end ordered Russian Il-38 "May", receiving them finally in 1977, the B-24s having soldiered on until 1974.














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tc2324

Absolute cracker.  :wub: 

Just when you think you have seen pretty much every form of what if Canberra, this pops up and blows you away.

Great job.  :thumbsup:
74 `Tiger` Sqn Association Webmaster

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Steel Penguin

lovely  looking and i do like the idea of it being a flying pile of spare parts as well. :thumbsup:
the things you learn, give your mind the wings to fly, and the chains to hold yourself steady
take off and nuke the site form orbit, nope, time for the real thing, CAM and gridfire, call special circumstances. 
wow, its like freefalling into the Geofront
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NARSES2

Now that's interesting, it's got an almost futuristic look to it, must be the long slender fusalage
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The Rat

There are no words to truly describe how marvellous that is!  :thumbsup: :wub:
"My mind is a raging torrent, flooded with rivulets of thought, cascading into a waterfall of creative alternatives." Hedley Lamarr, Blazing Saddles

Life is too short to worry about perfection

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PR19_Kit

Love it!  :wub:

The 'Rudra' deserved a better fate than that, a pity it wasn't gifted to a museum, but they didn't do much of that in those days.

What are the various pasrts you used to build it please?
Kit's Rule 1 ) Any aircraft can be improved by fitting longer wings, and/or a longer fuselage
Kit's Rule 2) The backstory can always be changed to suit the model

...and I'm not a closeted 'Take That' fan, I'm a REAL fan! :)

Regards
Kit

Geoff


sletch

Hi,

This is a really nice plane  :wub: Great job  :bow: It desserves better photos :-\

Regards / Frederic
Last finished!


rickshaw

Quote from: PR19_Kit on September 08, 2012, 10:54:26 AM
Love it!  :wub:

The 'Rudra' deserved a better fate than that, a pity it wasn't gifted to a museum, but they didn't do much of that in those days.

What are the various pasrts you used to build it please?

It is a mix of two Canberra kits.  An old Novo B(I)8 and a High Planes B.6.   The Novo kit supplied the tail planes and the inner wing extensions (the roots are twice as wide as a normal Canberra).  The High Planes kit supplied the wingtip extensions (its tail planes) and the extra fins (the wing tips which were removed for the extensions, plus a bit of plasticard).  The radome came from a Falcon vacuform for the Skyraider.  The engine nacelles came from McColm from a Revell Atlantic kit.  Unfortunately somewhere along the way, one of the nacelle fronts got lost and I contacted Revell for a replacement which they sent but it took far too long to arrive  In my impatience I scratchbuilt a replacement.  Of course, the replacement arrived the day after I'd finished and had started painting it.   I actually think it looks better than the original and its very hard to tell the difference at a distance.  If I had it over, I'd do the same to both sides.   Apart from that there were two big wooden dowel extensions, fore and aft of the wing, a plastic tube MAD boom, scratchbuilt undercart with wheels from a Victor resin set and of course a LOT of PSR.   

Overall, I'm rather pleased with it. 

And thanks to McColm in particular for supplying the nacelles.  I was surprised at how BIG they were.   They were the whole reason why I had to extend the fuselage (and the radome).  It would have looked ridiculous with these honking big engines sticking out in front of the fuselage.   :o
How to reduce carbon emissions - Tip #1 - Walk to the Bar for drinks.

PR19_Kit

And all nicely melded into one. Excellent work Brian.  ;D :thumbsup: :cheers:
Kit's Rule 1 ) Any aircraft can be improved by fitting longer wings, and/or a longer fuselage
Kit's Rule 2) The backstory can always be changed to suit the model

...and I'm not a closeted 'Take That' fan, I'm a REAL fan! :)

Regards
Kit

rickshaw

Thank you, that is high praise indeed!   :cheers:
How to reduce carbon emissions - Tip #1 - Walk to the Bar for drinks.

deathjester

OMG!! :o :o  That is so pretty.  Every line and curve is darn near perfect... :bow:

sequoiaranger

Good Job on the "Rudra"!
My mind is like a compost heap: both "fertile" and "rotten"!

McColm

Wow!!
A stunning build, I'm glad that I've helped out a fellow Whiffer :bow: :bow: :bow:

Go4fun

That is such a sweet aircraft it should have been built.
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