Author Topic: Olympus development  (Read 12632 times)

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Offline Paul C

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Olympus development
« on: July 29, 2010, 08:59:06 PM »
Hi all, this time I have a question about the Rolls-Royce (Bristol) Olympus engine:

To the best of my knowledge, only 2 operational aircraft types were fitted with the Olympus (Vulcan and Concorde), although there were various development engines (the model 320(?) for the TSR2) and marine versions.

My question is: were there any further versions in design beyond the model 593 fitted to Concorde?

Cheers!  8-)
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Offline johnjosh43

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Re: Olympus development
« Reply #1 on: July 29, 2010, 09:06:51 PM »
The RR engineers claim that the Concorde version is the most efficient engine ever. I don't think that there were any more powerful made.
There was probably one in design stage ready for the next release of Concorde which was planned but never built.
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Offline Gully

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Re: Olympus development
« Reply #2 on: July 29, 2010, 11:50:30 PM »
Have a read of the RR Heritage Trust book 'Olympus - The Inside Story'. Full Olympus history, including all civil and military variants. Some quoted, some paraphrased:

The Olympus 593 Mark 610 was fitted to the production Concordes and it's final rating in service was 38,075 lbs thrust at take off. This was only marginally lower than the 38,275 lbs originally envisaged for the Mark 621 which would have been used from production aircraft no. 41 onwards. It was planned to further increase the power output to 41,360 lbs (Mark 631) by fitting a zero stage to the LP compressor and redesigning the HP spool.

There were numerous proposals for 593 variants to power stretched Concordes, advanced SSTs from various manufacturers and even a class of warplane known as a 'supercruiser', which was intended to loiter at Mach 2. They were mostly turbofan variants with bypass ratios varying from .07 to .95. Proposals were produced for Boeing, Douglas and British Aerospace. Most of the civil applications were designed to be quieter than the 593, they did not use reheat and produced more take off and cruise thrust.

On the military front, the family tree ends with the Olympus 22R (Mk 320/21) - TSR2's powerplant. There was a desk study for (Lockheed) Martin to develop the 301 for high altitude operation that was provisonally allocated the designation 701 (first in an export series of numbers), but it was not built.

Cheers,

Gully
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Offline johnjosh43

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Re: Olympus development
« Reply #3 on: July 30, 2010, 12:12:57 AM »
Thanks Gully, I must get that book.

Not quite on topic but HTF do you loiter at Mach 2 ?
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Offline Paul C

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Re: Olympus development
« Reply #4 on: July 30, 2010, 06:06:00 PM »
Thanks Gully, that's really interesting - I too would like to get a hold of that book! It always surprised me that the Olympus hadn't been used in more aircraft types; maybe its propensity for heavy smoking  :oops:  put paid to that?
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Offline Gully

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Re: Olympus development
« Reply #5 on: July 31, 2010, 10:30:43 PM »
The book is by Alan Baxter, former member of the Flight Test dept of RR. It's No 15 in the Rolls Royce Heritage Trust Historical Series. The 2nd Edition (which I have) came out in 2007. I originally ordered it through Amazon, but after 3 months they'd still not sourced it, so I downloaded a form from the main RR website and mail ordered it. Arrived 4 days after I posted the form to them!

Definitely recommended!

Gully
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Offline Seahornet

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Re: Olympus development
« Reply #6 on: August 01, 2010, 08:03:41 AM »
I seem to remember that a Canberra once flew with Olympuses; I'd guess they would have been 100 series, in order to have physically fitted into the airframe. I'll have to have a quick Google! :oops:
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Offline Seahornet

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Re: Olympus development
« Reply #7 on: August 01, 2010, 08:20:34 AM »
Quote from: "Seahornet"
I seem to remember that a Canberra once flew with Olympuses; I'd guess they would have been 100 series, in order to have physically fitted into the airframe. I'll have to have a quick Google! :oops:

WD952 was the first flying test bed for the Olympus, originally with type 99s, and subsequently with 101s and 102s (as fitted to Vulcan B1s). It claimed several altitude records in the early to mid 1950s (being the first non-rocket aircraft above 60,000ft), and established the high altitude credentials of the Canberra airframe, as later exploited by the PR9, and WB57. (Gotta love Google! :lol: )
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Offline dlw

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Re: Olympus development
« Reply #8 on: August 01, 2010, 09:28:37 AM »
Thanks, this is interesting information. I will order this book fromm RR. Will make interesting reading.
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Offline Nickolas

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Re: Olympus development
« Reply #9 on: August 02, 2010, 08:30:53 PM »
Quote from: "johnjosh43"
Thanks Gully, I must get that book.

Not quite on topic but HTF do you loiter at Mach 2 ?

Quickly..................... :lol:  :lol:
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Offline Seahornet

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Re: Olympus development
« Reply #10 on: August 03, 2010, 08:06:43 AM »
Quote from: "Nickolas"
Quote from: "johnjosh43"
Thanks Gully, I must get that book.

Not quite on topic but HTF do you loiter at Mach 2 ?

Quickly..................... :lol:  :lol:

Oxymoronically?  :lol:
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Offline Nickolas

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Re: Olympus development
« Reply #11 on: August 03, 2010, 08:16:03 AM »
:lol:  :lol:  :lol:  :lol:  :lol:  :lol:  :lol:
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Offline Seahornet

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Re: Olympus development
« Reply #12 on: August 14, 2010, 03:30:42 PM »
Just discovered another proposed application of the Olympus; about 1956-7 there was a proposal to develop a supersonic version of the Javelin, which would have had a thinner wing section, and a pair of Olympuses! :o
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Offline StAthan lecky

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Re: Olympus development
« Reply #13 on: August 21, 2010, 11:07:15 AM »
Quote from: "Seahornet"
Just discovered another proposed application of the Olympus; about 1956-7 there was a proposal to develop a supersonic version of the Javelin, which would have had a thinner wing section, and a pair of Olympuses! :o

Olympi   :D  :D  :D  :D  :D
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Offline cosford

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Re: Olympus development
« Reply #14 on: August 21, 2010, 11:32:06 PM »
Now that would have been nice a a mini Vulcan fighter  :lol:  :lol:  :lol:
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