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Originally Posted by GeeRam
(Post 11262147)
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. |
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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Originally Posted by treadigraph
(Post 11264891)
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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Originally Posted by chevvron
(Post 11261987)
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!! |
Originally Posted by treadigraph
(Post 11264891)
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...
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. |
Originally Posted by fab777
(Post 11264924)
but the smell of large quantities of fish oil?
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Originally Posted by treadigraph
(Post 11264891)
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...
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. |
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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Originally Posted by treadigraph
(Post 11281435)
Has the Tempest flown? Not heard anything anywhere else and I see the Sparrows are doing their thing off Eastbourne as I type...
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. |
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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Originally Posted by treadigraph
(Post 11281505)
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! |
Not sure about a tempest, Fournier, but a right good sprinkling would be good.
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Later marks of Hercules could be potentially available but the differences were so huge it wasn't practical. |
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. |
Are the problems with the Hercules the same as for the Centaurus i.e. oil and sleeve valves?
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Re oil. #15. Apparently not. Centaurus specific.
Originally Posted by India Four Two
(Post 11282246)
I'm intrigued. What were the issues?
I'm pretty certain it meant a degree of re-engineering, rather than just tweaking something to make it fit. |
My memory is that re-engineering would certainly have been required with all that would entail to satisfy the CAA.
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Originally Posted by longer ron
(Post 11262072)
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.
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. |
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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Originally Posted by DaveReidUK
(Post 11282423)
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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