COMPUTER-AIDED REENACTED FUSES GALLERY

English version


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Pascal Casanova work

GERMAN HEAD PERCUSSION FUZES
Percussion fuze GrZ 80 and 82
Percussion fuze HZ 14
Percussion fuze KZ 14
Percussion fuze Gr Z 92
Percussion fuze Gr Z 04
Percussion fuze Gr Z 14
Instantaneous percussion fuze EKZ 17
Instantaneous percussion fuze Gr Z 17
Percussion fuze for anti-tank shell 'aufschlagzünder mV'

GERMAN TIME AND PERCUSSION FUZES
Time and percussion fuze Dopp Z 86
Time and percussion fuze Dopp Z 92
Time and percussion fuze HZ 05
Time and percussion fuze Dopp Z S 43
Time and percussion fuze KZ 11
Time and percussion fuze LKZ 11 Gr

GERMAN BOTTOM FUZES
Bottom fuse Bd Z 10 (Lg Bd Z 10 & Kz Bd Z 10)
Bottom fuse Spgr.m.K. & m.V.u.K.


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Pascal Casanova's precision work

Rebuilt Dopp Gr Z 04 fuse

Pascal Casanova is a friend, passionated by the First World War, living in Verdun area. He is a very talented battlefield photograph, but also an expert in Computer Assisted Design. He lets us take advantage of his skill by designing detailed 3D rebuildings pictures of WW1 fuses and shells.

Some words from him, explaining his method to me :

The basic data (parts and functionning) are mainly coming from texts and 2D schematics of the German Artillery Manual of 1918.

I take note of the external dimensions of my fuses collection, as well as some other infos coming from the internet, mainly from your website.

The 2D schematics show the thread diameter. I use that measure to determine an approximative value of the drawing scale. This scale is then used to recompute the dimensions of all the other parts.

I would like to say that I am sometimes forced to imagine the shape of some parts, because I do not have access to all the needed drawings. Any additional information would be welcomed to give some potential improvement to my works.

All the redesigned parts are then assembled one per one to rebuild the fuse. Once the assembly is done, I define a surface aspect that matches the fuse material, to give it a look as close as possible to the reality.

When the fuse is made with all its parts, it is possible to create transparent views, cut views, or even to realize some animated sequences.


The following pictures collection is an extract of his creations.


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German head percussion fuses


Percussion fuze GrZ 80 and GrZ 82


Interesting ancestors of the numerous German WW1 fuzes, the Gr Z 80, Gr Z 82, and Gr Z 82 (Kp) are rendered by the magic of the author's 3D know-how. For more info, have a look to this website page dedicated to the GrZ82 fuzes.




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Percussion fuse HZ14

hz14 fb hz14 vorst hz14 vorst fliehb

Family picture of the HZ14 series fuses, with, from the left to the right, the HZ14 fb, the HZ14 vorst, and the HZ14 vorst fliehb. For more details on these marks, have a look on the HZ14 fuses webpage.



Percussion fuse HZ14 vorst transaprent view.

And now let the magic happen : this HZ14 vorst fuse becomes transparent, and let us see the activation mechanism specific to the German percussion fuses !




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Percussion fuse KZ14

KZ 14 with brass body KZ 14 with aluminum alloy body Virtual cut view

Family picture of the KZ14 fuses series, showing two of the marks of that puse made in different materials (steel aluminum, brass), as well as a cut view showing the security system with compacted gunpowder grain. More details in the KZ14 fuses page.



Inner mechanism of the KZ 14 fuse

Another impressive translucid view.




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Percussion fuse Gr Z 92

Gr Z 92 fuse

The Gr Z 92 is a nice brass fuse, quite rare. See its description in the Gr Z 92 fuse page.




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Percussion fuse Gr Z 04

Gr Z 04 fuse The fuse mounted on a 210 mm shell

The Gr Z 04 fuse is another item that can be seen quite often on the former battlefields. On the right, it is assembled with a mighty 210 mm explosive shell. See more details on the Gr Z 04 page.




The transparent view shows the two percussion mechanisms, with and without delay.




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Time and percussion fuze Gr Z 14

Fuze Gr Z 14 nA

Another spectacular rendition showing a common German fuze, the Gr Z 14 under a new vision : a lot of people often . On oublie souvent que les fusées étaient peintes entièrement ou partiellement. Plus de details sur la page fusées Gr Z 14.




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Instantaneous percussion fuse EKZ 17

EKZ 17 fuse EKZ 17 transparent view

The EK Z 17 fuse is more rarely encountered on the former battlefields nowadays. Moreover, the surviving items are often heavily damaged and corroded, and the percussion rod is often missing. More details on the EKZ 17 fuses page.



The arming and percussion sequence of the fuze :
EKZ 17 fuse at rest Fuze at rest, the percussion rod is blocked by the centrifugal rod pressed by a spring
EKZ 17 fuse during the flight : centrifugal lock removed Fuze during the flight, the shell spin pushes the centrifugal lock away, freeing the percussion rod movements
EKZ 17 fuse during the flight : zoom on the safety spring Fuze during the flight, zoom on the safety spring at the bottom of the percussion rod, preventing it from being pushed back by the wind
EKZ 17 fuse hitting the target Fuse hitting its objective, the percussion rod compresses the safety spring, and the percussion pins ignites the starter.




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Time and percussion fuze Gr Z 17


The Gr Z 17 fuze cannot be observed easily nowadays. It was an instant action fuze dedicated mainly to the 150mm and 210mm heavy howitzers, for high explosive or gaz shells.

Its inertia arming system and its percussion rod system is brilliantly shown in this impressive picture.




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aufschlagzünder mV (fuze for anti-tank shell)


This aufschlagzünder mV equipped the 7,7 cm. K. Gr. 15. m. P shells for anti-tank use, under a steel hat.





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German time and percussion fuses


Time and percussion fuse Dopp Z 86

Dopp Z 92, side viewl Dopp Z 92, rear view

The Dopp Z 86 is the ancestor of most of the German time and percussion fuses found during WW1. Pascal Casanova not only recreated 3D views of that old fuze, but he also wrote a interesting article on it in the Nr 6 edition of 'Tranchées Magazine' (jul-aug-sept 2011)




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Time and percussion fuse Dopp Z 92

Dopp Z 92, side viewl Dopp Z 92, rear view

The Dopp Z 92 fuse is relatively often found nowadays on the former battlefields, most of the time still assembled with the ton part of a schrapnell shell. But it never shines like this one ! More details on the Dopp Z 92 fuse page.




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Time and percussion fuze HZ05


The HZ05 fuze can be found easily in the WW1 battlefields in all of its variants, but most of the time in badly corroded condition since its time rings were made in aluminium. This virtual view let us imagine its aspect. More details on these fuzes on this website page HZ05 Gr fuzes and HZ05 Schr fuzes.




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Time and percussion fuze KZ 11

LKZ11

Designed for the universal shells, the KZ 11 fuze is one of the most complex German time and percussion fuzes. More details on this model on this website related page KZ 11 fuze.




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Time and percussion fuze LKZ 11

LKZ11 LKZ11

The elogated time and percussion LKZ 11 fuse is for me one of the most beautiful ones of the German arsenal of WW1. This reconstitution is just convincing me a little more in my feeling. More details on this fuze on the page fuze LKZ 11 Gr.




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Time and percussion fuze Dopp Z S 43

Dopp Z S 43 Dopp Z S 43

This 30mm time and percussion fuze Dopp Z S 43 , graduated from 0 to 43 seconds is pretty rare, and was principally used with German Navy guns (such as the famous 15cm SKL 40), or coast guns. This reconstitution is therefore even more precious.




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German bottom fuses


Bottom fuse Bd Z 10 (Lg Bd Z 10 and Kz Bd Z 10)

Bd Z 10 : the fuse main body Kz Bd Z 10 : body screwed in a short detonator (25 grammes picric acid) Lg Bd Z 10 : body screwed in a long detonator (100 grammes picric acid)

The bottom fuse Bd Z 10, preferred German fuse for the 150, 210 and 280 mm calibers, existed in two main marks, screwed either on a short detonator, with 25 grammes of picric acid, or on a long one, with 100 grammes of picric acid. It was then respectively named Kz Bd Z 10 or Lg Bd Z 10. For more details please go to the Bd Z 10 fuse page.



Transparent view of the Lg Bd Z 10 mark

This time the fuse transparent view, here in its long LgBdZ10 mark, shows a very complex internal mechanism.





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Bottom fuse Spgr.m.K and m.V.u.K.

Bd Z f Spgr m K fuse Bd Z f Spgr m V u K fuse, mark with a delay

The bottom fuse Bd Z f Spgr m.K. equipped the shells of the famous long range 380 mm heavy guns, as well as the 280, 240, and some 210 mm shells. There was a mark with a short delay, named Bd Z f Spgr m.V.u.K..



The arming and percussion sequence of the fuse :
Fuse Spgr m.K. at rest Fuse at rest, the centrifugal locks are blocked by the locking rod
Fuse Spgr m.K. at the shot departure : locking rod desactivated Fuse at the shot departure, the locking rod is pushed ahead by the pressure of the combustion gases on a rear membrane
Fuse Spgr m.K. during flight : centrifugal locks pushed away Fuse during the flight, the centifugal locks are pushed away
Fuse Spgr m.K. hitting the target Fuse hitting its objective, the percussion pin hits the starter.



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