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Tempest II due to fly at Eastbourne in August

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Tempest II due to fly at Eastbourne in August

Old 20th Jul 2022, 21:01
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Originally Posted by GeeRam View Post
Actually there's not so many Centaurus now flying compared with say 15+ years ago....and they are getting fewer.

The Noratlas doesn't use the Centaurus, it uses a licence built Hercules. The oil issue is specific to the Centaurus design, not all sleeve valve radials.
Could the Noratlas engines be used in, say, um, a Beaufighter? :-)
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Old 20th Jul 2022, 21:07
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Not the right mark unfortunately, I think they have looked at it though. There was, I thought, a solution at hand but I've not heard what, if any, recent progress there has been...
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Old 20th Jul 2022, 21:21
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Originally Posted by treadigraph View Post
Not the right mark unfortunately, I think they have looked at it though. There was, I thought, a solution at hand but I've not heard what, if any, recent progress there has been...
Very frustrating but hope to see it fly one day. I remember seeing it arrive all mangled in boxes. Concerned I may be mangled and in a box before it does.
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Old 20th Jul 2022, 21:54
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Originally Posted by chevvron View Post
In my younger days we used to drain the mineral oil out of our Honda 50 and refill (after flushing) wirh Castrol 'R'.
Didn't go any faster but the smell was fantastic!!
but the smell of large quantities of fish oil?
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Old 20th Jul 2022, 23:17
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Originally Posted by treadigraph View Post
Not the right mark unfortunately, I think they have looked at it though. There was, I thought, a solution at hand but I've not heard what, if any, recent progress there has been...
There may be good news...
Beaufighter Engine Restorations June 2022 | Warbirds Online
A UK airshow line-up of Mosquito, Typhoon, Tempest and Beaufighter is possible if current projects come to fruition.
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Old 21st Jul 2022, 00:07
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Originally Posted by fab777 View Post
but the smell of large quantities of fish oil?
Made from castor beans. Nothing to do with fish.
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Old 21st Jul 2022, 00:14
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Originally Posted by treadigraph View Post
Not the right mark unfortunately, I think they have looked at it though. There was, I thought, a solution at hand but I've not heard what, if any, recent progress there has been...
I can't remember now if I was speaking to one of the TFC engineers or read about the engine problem.
Later marks of Hercules could be potentially available but the differences were so huge it wasn't practical.

Another problem was they only had three flight-suitable wheels and tyres, although that was some years ago.
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Old 19th Aug 2022, 16:38
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Has the Tempest flown? Not heard anything anywhere else and I see the Sparrows are doing their thing off Eastbourne as I type...
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Old 19th Aug 2022, 18:22
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Originally Posted by treadigraph View Post
Has the Tempest flown? Not heard anything anywhere else and I see the Sparrows are doing their thing off Eastbourne as I type...
I was so no, not yet.
It would have been all over various forum, especially WIX, if it had, so I would say the chances of it appearing at Eastbourne are not great.
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Old 19th Aug 2022, 18:36
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Yes, it would have been remarkable if they'd kept it THAT quiet... Didn't risk the trip to Eastbourne by train today with strikes either side.
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Old 20th Aug 2022, 15:50
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Originally Posted by treadigraph View Post
Yes, it would have been remarkable if they'd kept it THAT quiet... Didn't risk the trip to Eastbourne by train today with strikes either side.

Right at this moment the only 'tempest' I'd like to see, is one that would severely refresh my garden . . . [and Croydon ] of course!
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Old 20th Aug 2022, 17:49
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Not sure about a tempest, Fournier, but a right good sprinkling would be good.
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Old 21st Aug 2022, 02:28
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Later marks of Hercules could be potentially available but the differences were so huge it wasn't practical.
I'm intrigued. What were the issues?
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Old 21st Aug 2022, 08:45
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I'd forgotten about this:

Beaufighter Engine Restoration News | Warbirds Online

https://warbirdsnews.com/warbirds-ne...june-2022.html
Warbirds Online follows on from our previous news on the rebuild of Bristol Hercules engines by Peter Brooke at Historical Aircraft Engines in Brisbane Queensland for the Bristol Beaufighter project of the Historical Aircraft Restoration Society (HARS) and Robert Grienert’s Historical Aircraft Restorations Limited. The major decision has now been made as to the version of Hercules to be rebuilt, being the series XVII Bristol Hercules from later series Beaufighters.

Since our last visit to Historical Aircraft Engines there has been considerable progress and an audit and examination of the 16 tons of spare parts acquired last year from New Zealand has confirmed the viability of the rebuilding of the initial early series XVII Bristol Hercules required for the HARS project as well as two engines for a European project. There is also future capacity for the rebuild of other engines as well as care and maintenance support for the 4 being rebuilt now.
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Old 21st Aug 2022, 09:29
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Are the problems with the Hercules the same as for the Centaurus i.e. oil and sleeve valves?
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Old 21st Aug 2022, 10:02
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Re oil. #15. Apparently not. Centaurus specific.

Originally Posted by India Four Two View Post
I'm intrigued. What were the issues?
It was years ago. I think it was to to do with the location of ancillaries rather than the basic engine core but I wouldn't take bets on it after all this time.
I'm pretty certain it meant a degree of re-engineering, rather than just tweaking something to make it fit.
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Old 21st Aug 2022, 10:19
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My memory is that re-engineering would certainly have been required with all that would entail to satisfy the CAA.
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Old 21st Aug 2022, 11:43
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Originally Posted by longer ron View Post
Both engines are Engineering Madness though with far too many little cogs/sprockets etc just waiting to graunch up and ruin your day,and that is without even thinking of any potential sleeve valve related issues.
Actually, they were engineering masterpieces.
As the Sabre stayed in service until the middle 50s and the Centaurus until the late 60s, and was certified for civil use, they can't have been that bad.

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Old 21st Aug 2022, 12:08
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It may be just me, but when I hear the term "engineering masterpiece" in relation to an aircraft or engine, alarm bells start to ring ...
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Old 21st Aug 2022, 17:01
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Originally Posted by DaveReidUK View Post
It may be just me, but when I hear the term "engineering masterpiece" in relation to an aircraft or engine, alarm bells start to ring ...
Merlin?
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