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steven_wh

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  • June 23, 2008 at 12:02 am in reply to: Technical Details of DH Goblin #1224208
    steven_wh
    Participant

    Goblin Data

    Thanks Paul,

    I am putting together some material for a website on the Goblin. This information is needed for a comparison with other engines of the same period, and to look at how they were developed.

    Steven

    June 14, 2008 at 2:49 pm in reply to: A sensational looking Queens Birthday Flypast (Merged thread) #1232995
    steven_wh
    Participant

    Flypast today

    Here are some pictures of today’s Queen’s birthday flypast, enroute.

    Taken near A12 Colchester, 12:50.

    Enjoy.

    Steven

    June 3, 2008 at 10:00 pm in reply to: WW2 Aircraft Wrecks in the English channel(2008) #1240644
    steven_wh
    Participant

    Sea Recovery

    Off the Norfolk coast, fishermen from time to time trawl up old aircraft parts.

    The Norfolk and Suffolk Aviation Museum has some bits on display. Mostly beat up, corroded and holed engines.

    Aluminium fuselages will have long gone for WW2 aircraft.

    Steven

    June 2, 2008 at 12:46 am in reply to: What Type Of Aircraft Did You First Fly In? #1241074
    steven_wh
    Participant

    Olympic Airways

    On Olympic Airways 707 London to Athens. Circa 1967.

    Steven

    May 30, 2008 at 12:14 am in reply to: Visit to martlesham heath's remaining piece of runway #1170636
    steven_wh
    Participant

    Martlesham Heath runways

    When I was at the BT Centre in the 70’s and early 80’s there was a section about 100 yards long, complete with markings and wheel marks used as a car park.

    The Heath had long sections too, still long enough to land a small plane.

    All gone now though.

    The 1920’s hangar and maintenance building are still there, as are the red-brick barracks.

    Steven

    May 26, 2008 at 5:48 pm in reply to: DH Vampire Afterburner #1174285
    steven_wh
    Participant

    Centrifugall with Reheat

    Yes, the Nene, in the US version P&W J48, and in the MIG 17 version in the Soviet Union.

    The Swedish fitted an afterburner to the DH Ghost.

    Steven

    J48/Nene

    May 26, 2008 at 5:37 pm in reply to: Slant Combustors – Request #1174291
    steven_wh
    Participant

    Dart and Clyde Skew Combustors

    The RR Clyde had skewed combustors as well.
    Dart left picture, and Clyde right picture.

    May 26, 2008 at 5:01 pm in reply to: DH Vampire Afterburner #1174310
    steven_wh
    Participant

    Vampire Afterburner

    It looks like this…..

    May 16, 2008 at 12:14 am in reply to: DH Vampire Afterburner #1182970
    steven_wh
    Participant

    Vampire afterburner

    Looks like this was never used for real.

    Might have been fun to see the flame bend up off the runway onto the tail, on nose-rotate at takeoff!

    Steven

    May 15, 2008 at 11:58 pm in reply to: Slant Combustors – Request #1183059
    steven_wh
    Participant

    Dart

    Thanks.

    I hadn’t realised the turboprop Dart had the slant combustors, as I was sure that the example I had seen was a turbojet.

    There appear to be three reasons for the slant combustors:
    i) reduce the overall engine length
    ii) provide a straighter path for the air from the compressor into the combustors
    iii) since the combustor gases emerge at an angle, they can be directed straight onto the rotating turbine, thereby eliminating the stator stage

    Any others reasons?

    Other slant combustor examples appreciated.

    Steven

    May 6, 2008 at 6:28 pm in reply to: DH Vampire Afterburner #1191157
    steven_wh
    Participant

    Hi,

    No, the short text with the picture says that the tail boom was made higher with the experimental aircraft to clear the exhaust.

    Steven

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