Hello,
in this tread I'll show a longer report of the restoration / repair of a Dopp. Z. 08 which is going a little bit beyond cleaning and painting it with some color. My main goal of the project was to get the fuze's mechanics/clockwork fully operational after 110 years. The only exception - of course - is the detonator as it would be a violation against our laws.
The Dopp. Z. 08 (Doppelzünder 1908) was the worlds first mechanical time fuze which was working well and suitable for mass production. It still had some minor problems but it's main problem seems to be that is was ahead of its time. Because of this it was declared obsolete not long after it's introduction. Basically this fuze was invented for the shrapnel shells of long range guns because powder train time fuzes with slow burning powder for such Long distances prooved very inaccurate.The fuze shown here is a separate type which was used on parachute illumination bombs, dropped from the Zeppelin's. The main difference between the artillery and bomb Dopp.Z.08 is that the artillery 08 was activated by the inertial force during firing. The bomb 08 was activated by a pulling cord.
The fuze and it's clockwork was invented by Krupp. The later Dopp. Z. 16 with the improved clockwork has it's roots in the Dopp.Z.08. After 1st WW this improved clockwork (System Krupp-Thiel) was used by many countries and I guess it's in service in some countries still today.
First of all I'll show two photos of the condition how I got the fuze an a drawing of the fuze. The red marked parts in the drawing were completely missing and I had to make reproductions of them because there is nearly zero chance to find such spare parts. The blue parts were damaged. Some of the blue parts I could replace with parts from a different Krupp clockwork and one part needed to be reproduced too.
I know my english is not the best so please let me know if something is impossible to understand. Especially correctly naming the small parts is nearly impossible for me.
Many thanks to @BurneyDavis for helping me.
in this tread I'll show a longer report of the restoration / repair of a Dopp. Z. 08 which is going a little bit beyond cleaning and painting it with some color. My main goal of the project was to get the fuze's mechanics/clockwork fully operational after 110 years. The only exception - of course - is the detonator as it would be a violation against our laws.
The Dopp. Z. 08 (Doppelzünder 1908) was the worlds first mechanical time fuze which was working well and suitable for mass production. It still had some minor problems but it's main problem seems to be that is was ahead of its time. Because of this it was declared obsolete not long after it's introduction. Basically this fuze was invented for the shrapnel shells of long range guns because powder train time fuzes with slow burning powder for such Long distances prooved very inaccurate.The fuze shown here is a separate type which was used on parachute illumination bombs, dropped from the Zeppelin's. The main difference between the artillery and bomb Dopp.Z.08 is that the artillery 08 was activated by the inertial force during firing. The bomb 08 was activated by a pulling cord.
The fuze and it's clockwork was invented by Krupp. The later Dopp. Z. 16 with the improved clockwork has it's roots in the Dopp.Z.08. After 1st WW this improved clockwork (System Krupp-Thiel) was used by many countries and I guess it's in service in some countries still today.
First of all I'll show two photos of the condition how I got the fuze an a drawing of the fuze. The red marked parts in the drawing were completely missing and I had to make reproductions of them because there is nearly zero chance to find such spare parts. The blue parts were damaged. Some of the blue parts I could replace with parts from a different Krupp clockwork and one part needed to be reproduced too.
I know my english is not the best so please let me know if something is impossible to understand. Especially correctly naming the small parts is nearly impossible for me.
Many thanks to @BurneyDavis for helping me.
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