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Robbiesmurf

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Viewing 15 posts - 16 through 30 (of 473 total)
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  • in reply to: Pub Question #12 – Can Tthe EE Lightning… #838068
    Robbiesmurf
    Participant

    Actually, having checked some figures, I realise what an impossibility this would be:

    EE Lightning, depending on mark, had about 16,000lb from each Avon engine on full afterburner, against an empty weight plus 1000lb of fuel of over 32,000lb…

    …so, no, it could just about hold its vertical speed under those (unlikely) conditions! And then crash, fuel gone.

    Not quite correct. The 300 series engines were trimmed up to about Mn1.4. Otherwise the intake couldn’t deal with the increased mass air flow (200’s 150lbs/s 300’s 170lbs/s).

    in reply to: A-W Meteor NF.14 WS788 Restoration Thread #776073
    Robbiesmurf
    Participant

    I see in the second box of bits a glow engine. Any idea which make?

    in reply to: Friday fun – recognition test #777070
    Robbiesmurf
    Participant

    Got them all. No credit to me, it’s the voices in my head.

    Did those voices tell you to remove the Prime Minister?…

    in reply to: Friday fun – recognition test #777095
    Robbiesmurf
    Participant

    I got four wrong, could do better..

    in reply to: A-W Meteor NF.14 WS788 Restoration Thread #784103
    Robbiesmurf
    Participant

    Well, looking at TT’s nose you’d say she’s been truly dumped on…

    in reply to: Seen On Ebay 2017 #787678
    Robbiesmurf
    Participant

    Well, Germany was short of bombs in the begining…

    in reply to: Shoreham Investigation Update #792623
    Robbiesmurf
    Participant

    In the past I spent a number of years on a forum that discussed aviation accidents.
    Contributions came from all sorts. LAME’s, engineers, pilots, both military and commercial, FOF’ers, NTSB even. Of course a lot had no hands on experience in the aviation. We even had one gentleman who’s expertise was making sausages.
    It was a boistrous site, however, everyone was free to ask even the most basic questions and would get a decent and honest answer. Speculation was seen purely as that, to be read and put forward as a possibilty, not fact. It would however not to be derided even when the report was released and proved certain thoughts wrong. I contributed gladly on that site as I knew that my thoughts would be taken with gravity and respect. I wouldn’t do it here, not because I too am curious but because I don’t agree with the nay-saying ‘superior knowledged’ persons who seem to enjoy pointing out that they are better..
    Which site was I on? That point is moot, because, well, it crashed too…

    in reply to: Shoreham Investigation Update #793006
    Robbiesmurf
    Participant

    It’s nice to see so many posters who think they are smart and sophisticated when they are being crass and vulgar.
    It was just a simple question..

    in reply to: Parts I.D. Please. Hydraulic pumps ?? #794489
    Robbiesmurf
    Participant

    A similar pump was also fitted to post-war a/c for servicing. I’ve seen such like on a number of a/c types.

    in reply to: Ageing Gas Turbs the latest #796621
    Robbiesmurf
    Participant

    It is a concern to some Rob, remember the early gas turbines late / post war etc were built without any lives on them at all and were never expected to last but a few years, so you could legally be flying a 1945 meteor with its original engine in it in theory, something the manufacturers would never have envisaged.
    You go back to 1945 and you would have been laughed out of the building if you had said I intend to buy one of these in 60 years time and fly it as a leisure pursuit.

    As for 20 years, you do realise that although a private piston spam can has a life placed on the engine of 12 years and XYZ hours, ( plus an allowable 20% extension by the CAA) If that aircraft is privately owned then the engine can continue in service ” on Condition” after the life period laid down by the manufacturer has expired. It is one thing I always thought was wrong.

    I believe when the RAF accepted the Meteor into service they quoted that both engines required less maintenance per flying hour than the Merlin in Spitfires.

    in reply to: High energy igniter #801580
    Robbiesmurf
    Participant

    Yes, I saw it at St Athan in my early days. They had it set up in a perspex box. When it was operated, everyone took a step back!
    It’s not called high energy for the fun, 2000v & 1500amps…

    in reply to: High energy igniter #801788
    Robbiesmurf
    Participant

    Just a working set for instructional purposes.

    in reply to: Name this fuel gauge! #802113
    Robbiesmurf
    Participant

    Aviation (jet) fuel is measured in weight be it lbs or kg’s. There used to be 3 main types of fuel with differing weights or specific mass. F34 (avtur) was 0.78, F40 (avtag) was 0.76 and F44 (avcat) was 0.80. Knowing the weight is crucial for working out the range. Volume, (gallons/ltrs) tells you how much to pay. Weight tells you how far it will go..

    in reply to: High energy igniter #803045
    Robbiesmurf
    Participant

    28v LT side. Standard stuff.

    in reply to: Victor XL231 And Nimrod XV250 Work Diary MkII #807981
    Robbiesmurf
    Participant

    That top side photo certainly high-lights the reinforcing strips over the main spar.

Viewing 15 posts - 16 through 30 (of 473 total)