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knifeedgeturn

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Viewing 15 posts - 106 through 120 (of 467 total)
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  • in reply to: Goodwin Sands Dornier progress thread #998921
    knifeedgeturn
    Participant

    I think not. With a dissolved wheel and a pressurised inner tube, the tube will balloon to several times its cross sectional area.

    Try blowing up an un-restrained bicycle tyre. 🙂

    Mark

    PS It is easy to under estimate the forces involved in a wheel/tyre/inner tube at working pressure. I recall that military wheels, in my time, where often the two part bolt together type. The wheel was bolted together with nuts painted red and the wheel nuts to the hub painted yellow. I believe there were fatalities where the wrong nuts were undone. Indeed I remember there where special cages in workshops to dis-assemble units in safety.

    Or indeed the strength of the sidewall on an aeronautical tyre,(try pulling one apart) they will happily contain modest pressures, but of course the tube will balloon out the gap.
    the colour coding of military wheels was to stop untrained personel from undoing the wrong set of nuts when trying to remove the wheel from the vehicle; doubtless, should all the nuts be removed at the same time, there would be a nasty accident, especially as some of the bigger vehicles run up to 90psi.

    (With apologies to Circus 6)

    in reply to: Goodwin Sands Dornier progress thread #999615
    knifeedgeturn
    Participant

    Wouldn’t be the first time a tyre has stayed inflated but the wheel rim has rotted away.

    in reply to: Aircraft for sale at Gatwick Museum. #999619
    knifeedgeturn
    Participant

    Yeah it will, but it might over hang a bit….

    in reply to: Goodwin Sands Dornier progress thread #1000107
    knifeedgeturn
    Participant

    It’s common for ditched aircraft to end up upside down. Another odd phenomenon is their u/c legs often end up in the extended position – maybe related to later failure of the uplocks, but no-one has ever given a very satisfactory explanation for this. The ‘reluctant messerschmitt’ salvaged off Dymchurch in the 70’s and a Whitley also off Dymchurch both ditched nomally and both ended up in this configuration as have others.

    Must be an awful lot of pressure exerted on the up locks by the tyres full of air.

    in reply to: Anyone in the UK near Ridgewell Airfield. #1005409
    knifeedgeturn
    Participant

    Me too, (although I don’t actually know where the airfield is) but am happy to help.

    in reply to: Seen on eBay – 2013! #1006574
    knifeedgeturn
    Participant

    WW2 German Propeller Pitch Indicator? I am not up on German instruments, but how does this work and how do you read it?

    When the big hand is on the | and the little hand is on the _ it will be _| …….. precisely.

    in reply to: New To The UK register #1010283
    knifeedgeturn
    Participant

    Are you seeing different pictures to me? There appears to be a smashed Merlin and thats about it.

    It’s worse than that, it’s a BMC replacement unit…..

    in reply to: BLUEBIRD K7 #1011487
    knifeedgeturn
    Participant

    If i read it [the thread] properly I think the point was more that she had backed the project and with her blessing it had got to this point and now she has changed her mind after commitments were made financially and practically by alot of people,a bit of a kick in the teeth really.

    That’s my understanding of it as well, but I think maybe the reality that she will actually see the boat run, has stirred up feelings that she maybe had locked away for a long while; ask yourself this, if your own father had died in a craft that was destroyed, and lost, only to be found and restored and then run by someone, how would you feel, mixed emotions?

    When it’s run I hope they put on a good show; old racing machines shouldn’t be paraded.

    in reply to: BLUEBIRD K7 #1013034
    knifeedgeturn
    Participant

    I would have thought Gina Cambell’s position was obvious; this boat killed her father, what more do you need to say?

    I voted yes to see it run, pure nostalgia, but thats me.

    I’m hugely impressed with the workmanship, and indeed the ethos, trying to save as much as possible, no matter how long it takes; that is restoration.

    in reply to: Shoreham Aerojumble – Sat 6 April 2013 #936719
    knifeedgeturn
    Participant

    Doesn’t North Weald already have a Saturday market? not sure how the two would get on, but I agree it’s a good venue and about as central as your going to get; I’d be suprised if Duxford would “lower” themselves to allow an aero jumble!

    in reply to: The Legacy of Cockpit-Fest #936918
    knifeedgeturn
    Participant

    Well perhaps we should agree to disagree; my experience being different to yours.

    Pete; I didn’t mean the histories of the various A/C, (which can all be learned parrot fashion) but the nut and bolt end of things.

    T/O; I’m glad to hear that Flypast still supports the event, it’s maybe a shame that they no longer run a feature in the magazine, as dragging exhibits up and down the highways can be a thankless task; to see a photo in FP made that effort feel worthwhile.

    Mike J, your post (to which I was responding) has disappeared

    in reply to: The Legacy of Cockpit-Fest #936934
    knifeedgeturn
    Participant

    Perhaps you’re too busy advancing grassroots preservation by sitting in your cockpit section in your garage, dressed in a flying suit and bonedome and making aeroplane noises to entertain yourself.

    I like your thinking, but actually I’m in the photograph, (and a dozen or so more) my aeroplane and cockpit sections are well travelled.

    I have thought about my statement, and can see your point, (I tend to focus on one area of warbird preservation and am speaking about the majority of owners of these A/C)

    There is much in this world that isn’t as it seems, and people who you think own a certain A/C, don’t; this isn’t the time for name and shame, but I do stand by my remarks about the owners of these aeroplanes, its big business, suffice to say that the era of owner operators is behind us. (unfortunately)

    in reply to: The Legacy of Cockpit-Fest #937152
    knifeedgeturn
    Participant

    I would but I find the retention of A/C serial no’s beyond my current mental capacity; I would only add that I have never been to Jersey, or the Cayman islands, and neither have the various warbirds registered in these (and many other parts) of the world; if your luckier than I with the power of retention simply go to the CAA’s G-info and look them up.

    in reply to: The Legacy of Cockpit-Fest #937390
    knifeedgeturn
    Participant

    To me the first photo highlights the difference between the “grass roots” end of aircraft preservation and the upper echelons, where the aeroplanes are owned by faceless companies (or individuals) that are never photographed with their piece(s) of history, and in many cases have little knowledge about them either; long may they (the events) continue.

    It is a shame however that Flypast no longer supports the (British) event.

    knifeedgeturn
    Participant

    I dont think it is Spitfire, certainly I have never seen anything like the first picture attached to one.

Viewing 15 posts - 106 through 120 (of 467 total)