A rare finding in the little known French Aeronavale Museum in Rochefort a 1917 anti-submarine bomb type G50-70 for flying boats and dirigibles. Weight 67 kg including 50 kg of mélinite., with a double action fuse.
This bomb succeeded in the French Aeronavale to the Chapuis bomb (18kg incl. 7kg TNT) from 1915, the Type D ( or "Chapuis 22/11" 22kg incl. 11kg Melinite) from 1916, the British 100lbs used by the RNAS and desigated in France as type F (47kg incl. 27kg amatol) introduced in february 1917 and the type E (52kg incl. 35kg Melinite) introduced in August 1917.
This bomb and its 1924 model, the G1 (similar but with Tolite replacing the Melinite, a slightly longer body and with a simpler suspension), will remain in use in France till the early 1930s and the introduction of the much different G2 bomb .

and here is a detailed drawing of this bomb by Henry Bellot in Deminest

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This bomb succeeded in the French Aeronavale to the Chapuis bomb (18kg incl. 7kg TNT) from 1915, the Type D ( or "Chapuis 22/11" 22kg incl. 11kg Melinite) from 1916, the British 100lbs used by the RNAS and desigated in France as type F (47kg incl. 27kg amatol) introduced in february 1917 and the type E (52kg incl. 35kg Melinite) introduced in August 1917.
This bomb and its 1924 model, the G1 (similar but with Tolite replacing the Melinite, a slightly longer body and with a simpler suspension), will remain in use in France till the early 1930s and the introduction of the much different G2 bomb .

and here is a detailed drawing of this bomb by Henry Bellot in Deminest

T
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