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  1. #1
    Senior Member
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    Very,very Rare Fuse/Fuze

    Also I assume that very, very few people here are interested in such old stuff, I still show for the few that are. Also i consider myself a small expert in the early development of prussian fuses, but i still have a problem with this. It is a fuse for a 25-pounder (stone weight system) shell which has a dia. of 22cm and an empty weight of 27,4kg . The fuse complete has a burning time of 13 sec. In P.1 you can discern the numbers 6,7,8 and 9. I assume thefuse was adjusted to a 10sec burning time by drilling a horizontal hole through. When the fuse was pulled more than 150 years later, it broke off at that spot. The timing rings equal 0,5 sec. P.2 is a view of the other side of the fuse. The reduction of the dia, on the upper third of the fuse, had the following reason. This was the part that stuck in the fuse-hole of the shell. For very short burning times, pieces of "black match" were strung through the horizontally drilled timing hole. The "black match" led the fire to the bursting charge. P.3 : View onto the top. This type of straight, stepped construction one only finds after 1869. P.4 : 2 repro 7 & 10-pounder prussian fuses compared to the 25-pounder. P.5 : Drawing of a 25-pounder fuse model 1851. Here you can see the cutaway construction on the sides of the upper half of the fuse. P.6 : 1855 fuse models. A 255-pounder on the right. These still have the socalled "Cup" with rounded bottom. P.7 : Page from the 1872-1877 prussian technical manual. In the middle the model C 69-23cm is shown. This has the top surface like my item. I assume this to be a 1845 experimental prussian fuse. May be somebody knows more.P.7-(1872-77) C 69-23cm (800x308).jpgP.6-Prussian fuses 1855 (800x533).jpgP.5 -25-pounder Fuse 1851 (531x800).jpgP.4 -7 & 10 pounder comp.to 25 pounder fuse (514x800).jpgP.3 Prussian 25pounder fuse(532x800).jpgP.2 Prussian 25pounder fuse(800x385).jpgP.1 Prussian 25pounder fuse(800x533).jpgRegards,
    Bellifortis.
    Last edited by Bellifortis; 31st May 2018 at 07:08 PM.

  2. The Following 12 Users Say Thank You to Bellifortis For This Useful Post:

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  3. #2
    Ordnance Approved
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    Dec 2009
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    They seem very much like the British fuzes of the same period. Thanks for showing this.
    Any live or dug ordnance shown in my posts has been dealt with accordingly by eod personel

 

 

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