Explosion Museum - need identification please

["Explosion!"]

Here at "Explosion!" (the museum of naval ordnance) we have received three small items and are trying to classify them. They could be small anti-personnel mines or possibly detonators. The lettering on the green coloured item is "P -4-B LOTE 2 - 5 78". Can any experts out there possibly help us please?


Explosion Museum

 

[stecol]

The item marked "P -4-B LOTE 2 - 5 78" is a spanish AP pressure-activated blast landmine.

http://www.lexpev.nl/minesandcharges/europe/spain/p4bpractice.html

Regards
stecol

 

[TimG]

The two red painted items are German 17 Bm fuzes.

TimG

 

[EOD]

The two red items are German 17Bm time fuzes for the self destruction of ordnance items like the V1 flying bomb (officially named FZG76 or Fi103). They have a running time of 30 minutes if I recall it right. Normally they were activated by a lanyard they were connected to on the launching ramp. During the launch the lanyard ripped the activator pull ring out and the fuze was activated and running. It was meant to prevent from duds falling into the enemies hands.

 

["Explosion!"]

Stecol & Tim,

Many thanks indeed for your swift response to our query - most grateful.

Explosion

 

[butterfly]

The two red painted items are German 17 Bm fuzes.

TimG

To add a little to TimG's reply
....the 17bm was one of the fuzes used on the flying bomb. It was also used in other bombs, SC1000, PC1000, SC500 etc.

This is a clockwork fuze with a delay of between 5 and 120 minutes +/- 10%
sometimes marked to the top plate, though may be hard to see.

regards Kev


ha ha, EOD beat me to it!!! you have to be quick here on bocn!!!

 

["Explosion!"]

EOD,

Very many thanks for that - our nuclear weapon man was most interested as he has been looking into V1 flying bombs.

Explosion.

 

[EOD]

Explsion, as your nuke guy then certainly knows there were several different fuzes in the V1. All basing on different principles and basically made to back up each other if the main fuze did not work as required.