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US pineapple grenade

Article about: you can to shorten the fuse of a American pineapple grenade down to 1-3 sec. by removing and trimming it. There's a washer that keeps the fuse dry. In Early WW2 this washer was made of leath

  1. #1
    davej
    ?

    Default US pineapple grenade

    you can to shorten the fuse of a American pineapple grenade down to 1-3 sec. by removing and trimming it. There's a washer that keeps the fuse dry. In Early WW2 this washer was made of leather which I have a few in a grenade shipping can. My questions are ; do people restore grenades? does anybody want these? or should I dedicate said washers to another purpose?

  2. #2

    Default re: US pineapple grenade

    Hello Dave,
    I restore inert/cutaway/ display grens for display purposes when I have the opportunity, but have not known about these fuze shortening washers. Could you send me a picture, I'm currently working on a 'Pineapple' restoration so would be interested to see how they worked. It would be nice to have an original but if I had an image perhaps I could make a copy? Not the same though!
    Best regards,
    navyman.
    Best regards,
    navyman.

  3. #3

    Default re: US pineapple grenade

    It is great to obtain NOS original parts for any restoration, Davej !

    Photos would help, as I have not heard of these keep-dry fuse
    devices before either.......

    I have read, however, that shortening a fuse would not be a good
    thing to do, as they were somewhat unpredictable. If someone making
    fuses at a munitions plant cut one just a fraction or so shorter, it could
    mean a detonation as soon as the grenade left the hand.
    ( Re: WWII by James Jones. )

    Different story for booby traps and demolitions, I suppose.......

  4. #4

    Default re: US pineapple grenade

    Yes, safety fuse can be very unpredictable. I was taught never to stamp on a burning fuse as it can react like cordtex and hurt your foot, more importantly, the fuse keeps burning. As I remember the recommended method was to cut the fuse as far away as possible beyond the burning bit. I may be wrong, it was a long time ago, but I clearly remember stamping on a piece of ignighted safety fuse and it exploded like an extra large sixpenny banger.
    Cheers,
    navyman.

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