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Thread: International Harvester aircraft tug sitting since 1942

  1. #1
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    International Harvester aircraft tug sitting since 1942

    see the picture at the end of the article

    https://www.cbc.ca/news/world/uss-ho...kage-1.5019915

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    Senior Member wr.'s Avatar
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    Re: International Harvester aircraft tug sitting since 1942

    What a find.
    Don't itch for something if you're not prepared to scratch for it.

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    Re: International Harvester aircraft tug sitting since 1942

    Quote Originally Posted by wr. View Post
    What a find.
    5,400 meters down and still upright

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    Senior Member wr.'s Avatar
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    Re: International Harvester aircraft tug sitting since 1942

    I bet there'd be massive interest in that tug if she was able to be brought up. It would be some sort of challenge to get her going again.
    Don't itch for something if you're not prepared to scratch for it.

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    Senior Member T P's Avatar
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    Re: International Harvester aircraft tug sitting since 1942

    Hmm, by my calculation the pressure at 5400 metres is approx 7800psi or 510 bar. Strange then that a pneumatic tyre inflated with a few bar of air and rapidly subjected to these sort of barely concievable pressures would appear remarkably intact and undisturbed not crushed off the bead and mangled to a fraction of itís surface size and shape, I suppose seventy years would be adequate for the salt water to permeate the rubber totally but whatís the chances of resuming the original shape so precisely? What is pictured is not what logic would predict. Definitely one set of tyres that arenít likely to be kicked anytime soon.

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    Re: International Harvester aircraft tug sitting since 1942

    Quote Originally Posted by T P View Post
    Hmm, by my calculation the pressure at 5400 metres is approx 7800psi or 510 bar. Strange then that a pneumatic tyre inflated with a few bar of air and rapidly subjected to these sort of barely concievable pressures would appear remarkably intact and undisturbed not crushed off the bead and mangled to a fraction of itís surface size and shape, I suppose seventy years would be adequate for the salt water to permeate the rubber totally but whatís the chances of resuming the original shape so precisely? What is pictured is not what logic would predict. Definitely one set of tyres that arenít likely to be kicked anytime soon.
    Interesting comment. Is it possible the pressure popped the tyre off the bead at some point, allowing water in, equalising the pressure, thus allowing the tyre to return to normal shape. Tube would be pancaked tho'.

    JV
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    Re: International Harvester aircraft tug sitting since 1942

    Is it not likely they're solid tyres. More stable in rough seas and less prone to shrapnel damage

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    Re: International Harvester aircraft tug sitting since 1942

    Quote Originally Posted by MC130 View Post
    Is it not likely they're solid tyres. More stable in rough seas and less prone to shrapnel damage
    Another good point. On tother hand, assuming rubber was a commodity in short supply, solid tyres are unlikely to look like balloon tyres, but would be low profile like forklift tyres.

    If you enlarge the pic, the tyres can be seen to have a continuous "Y" pattern tread which was common at that time on tyres of that type. A pity we can't see the point at which the tyres rest on the deck.

    JV
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    Re: International Harvester aircraft tug sitting since 1942

    Quote Originally Posted by john maddock View Post
    On tother hand, assuming rubber was a commodity in short supply,
    It could have been manufactured before the war. But I take your point about the profile.

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    Re: International Harvester aircraft tug sitting since 1942

    Quote Originally Posted by MC130 View Post
    It could have been manufactured before the war. But I take your point about the profile.
    from a Google search:
    Ordered: 30 March 1939
    Builder: Newport News Shipbuilding Company
    Laid down: 25 September 1939
    Launched: 14 December 1940
    Sponsored by: Annie Reid Knox
    Commissioned: 20 October 1941
    Struck: 13 January 1943

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