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Creaking Door

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Viewing 15 posts - 12,376 through 12,390 (of 12,419 total)
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  • December 20, 2006 at 11:12 pm in reply to: BA cancels all Heathrow domestic flights today! #587706
    Creaking Door
    Participant

    Just watched the BBC and ITV news and BA was the only airline mentioned during coverage of this crisis by either broadcaster.

    (One passenger being interviewed mentioned that a BMI flight had also been cancelled.)

    Surely other international airlines are affected too.

    If I were BA I’d be pretty p!ssed-off at the media doing another ‘look at BA – aren’t they rubbish!’ story.

    WA$.

    December 20, 2006 at 9:39 pm in reply to: Butcher Bird coming to DX #1265195
    Creaking Door
    Participant

    Does anybody know anything about the engine?

    How close is a ‘Chinese licence built Shvetsov ASh-82’ to a BMW801 in terms of size, configuration, capacity and power?

    How much of the deviation in construction detail from the original airframe is due to the fitting of this ‘other’ engine?

    I take it there are no BMW801 engines flying. Are there any in running order?

    There also seems to be a lack of any armament (dummy or otherwise). Doesn’t that somewhat detract from the ‘spirit’ of this project?

    WA$.

    December 7, 2006 at 11:35 pm in reply to: Spitfire Landing Gear #1280317
    Creaking Door
    Participant

    As already stated this is a retaining nut from a de Havilland (Hamilton licence) hydromatic propeller.

    This nut (P40107/A/1) was used on the Bristol Hercules engines of Short Stirlings.

    Possibly also used on Bristol Hercules Halifax (or Lancaster) but not sure if it was used on any Merlin engined aircraft fitted with this propeller.

    WA$.

    December 7, 2006 at 5:40 pm in reply to: British Sleeve Valve Engines #1280661
    Creaking Door
    Participant

    The sleeve valve principle was invented by the American Charles Yale Knight in 1903.

    I stand (partially) corrected and (greatly) better informed!

    WA$.

    December 7, 2006 at 5:27 pm in reply to: British Sleeve Valve Engines #1280669
    Creaking Door
    Participant

    Sleeve valve engine invented by the Americans.

    The sleeve-valve system used by Bristol was the Burt-McCollum system.

    Invented independently by Peter Burt (Scotland) and James McCollum (Canada) and jointly patented by them in 1909.

    Developed by Harry Ricardo but perfected after much effort by Roy Fedden.

    Not sure of the origins of the ‘other’ sleeve-valve system (Knight?) that used two concentric sleeves but this was not developed for aircraft use.

    WA$.

    December 4, 2006 at 11:51 pm in reply to: Interesting Picture-Comments please? #1283040
    Creaking Door
    Participant

    Not Malta, too many hills!

    Not Malta, too many Germans!

    WA$.

    December 2, 2006 at 1:52 am in reply to: British Sleeve Valve Engines #1286667
    Creaking Door
    Participant

    Who else produced sleeve-valves other than Bristol?

    (Cancelled) Pratt & Whitney liquid-cooled sleeve-valves:

    X-1800 – 1800hp

    H-3730 – 3300hp

    WA$.

    December 2, 2006 at 1:29 am in reply to: British Sleeve Valve Engines #1286672
    Creaking Door
    Participant

    Vickers Valetta – First flight 1947

    Vickers Varsity – First flight 1949

    Airspeed Ambassador – First flight 1947

    WA$.

    November 30, 2006 at 11:08 pm in reply to: HMS Hermes – Last Chance Saloon #1288474
    Creaking Door
    Participant

    what exactly was the helicopter compliment supposed to be on these ships…

    Four Sea King HAS2(?).

    what exactly was the harrier compliment supposed to be on these ships…

    Zero.

    WA$.

    November 29, 2006 at 8:31 pm in reply to: HMS Hermes – Last Chance Saloon #1289417
    Creaking Door
    Participant

    The same thing was considered with the cruiser Lion which not only had 6 inch guns for coastal bombardment but had a flight deck built over the stern that could take Harriers, now that sounds a pretty potent ship, very elegant in appearance…

    Actually it must have been either HMS Tiger or HMS Blake you are thinking of and I’m not sure many would agree with your comments about their appearance but you are entitled to your own opinion.

    Just to throw my thoughts in:

    Personally I’d love to see HMS Hermes preserved and…

    tourism is apparently Britain’s third biggest industry but…

    the excellent Warship Preservation Trust folded at Birkenhead in 2006 (HMS Plymouth plus genuine WWII U-boat) so would visitor numbers alone support a preservation of HMS Hemes?

    Also does any body know if the recovery of HMS Wimberel is secured?

    WA$.

    November 28, 2006 at 10:51 am in reply to: Merlins From Lancaster PB456 At Dumfries #1291573
    Creaking Door
    Participant

    The major components of these hydromatic propeller units are very strongly constructed but…

    …the orientation of the blade itself is controlled only by two dowels (approximately 10mm) and four screws (approximately M6 equivalent).

    I think it is conceivable (and very likely) that some of these will be found to be sheared in this case allowing the blades to rest in any orientation.

    Just my two cents.

    WA$.

    November 27, 2006 at 2:14 pm in reply to: Interesting Picture-Comments please? #1292698
    Creaking Door
    Participant

    We’re clearly thinking along the same lines.

    Unfortunately I don’t have any of my German vehicle references with me.

    WA$.

    November 27, 2006 at 1:22 pm in reply to: Interesting Picture-Comments please? #1292737
    Creaking Door
    Participant

    I can only find 21 Squadron – Blenheim IVs – based in Malta December 1941???

    And that doesn’t add-up with my earlier suggestion so I agree about the unreliability of squadron codes.

    I still think it’s Greece November 1940- April 1941.

    WA$.

    November 27, 2006 at 1:05 pm in reply to: Interesting Picture-Comments please? #1292747
    Creaking Door
    Participant

    I thought Blenheims too.

    With the German vehicle in the foreground I would say abandoned RAF airfield in Greece.

    WA$.

    November 16, 2006 at 11:23 am in reply to: BoB Combat Report Question #1305510
    Creaking Door
    Participant

    I think ‘Jaguar’ was a (mistaken) designation for a bomber version of the Bf110.

    Can’t remember where I read that but possibly a Bill Gunston work.

    WA$.

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