Electric Fuze Detonators

Similarly to electric primers, (described in Section 4, Part E), these electric detonators may be made to fire from suitable sources of electrical energy, such as generators, batteries or charged condensers they may thus be made to fire from an electric pulse supplied by energy stored within fuze firing circuit or by an electric pulse generated within the fuze system prior to or at impact 

The electric detonator is ordinarily used to actuate a booster or booster lead (usually Tetryl). At the time of publication of NOLR 1111, which was 1952, electric detonators were used in Naval mine and torpedo firing mechanisms and to a limited extent in Army fuzes (See also Section 2, Part C, History of Development of Detonators, etc ) 

Instantaneous electric detonators described in NOLR 1111 (Ref 23, pp 4-14 to 4-19) include Navy electric detonators Mk46 Mod O Mk51 Mod O and Army detonator M36. They are shown here in Figs 1-27, 

Only one instantaneous US Army electric detonator is described in Ref 23- It is M36, which is, accdg to Tweed (Ref 42b, p 653), the first electric detonator developed by the Army Ordnance Corps when it was required during WWII to equip airplanes with electri- 

Accdg to Tweed (Addnl Ref Ad 97e, p 653), the M36 was not stable in storage because its MF chge easily deteriorated. On replacing MF/NS with LSt and gilding-metal Cup with A1 cup, a detonator with improved shelf life was obtd. This is known a s M36A1 Electric Detonator 

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In the pamphlet of S. Odiemo, " Information Pertaining to Fuzes , Vol IV, published by Picatinny Arsenal in 1964 are listed in Tables on pp IV A to IV E forty-four US Electric Fuze Detonators, whereas on p IV F are listed materials used in their manufacture The electric detonators consist of the following parts ... 

Electric Fuze Detonators, Delay. See under Electric Delay Detonators (Military) (US)... 

Electric firing techniques 5 E30 Electric fuze 5 E30—E31 Electric fuze detonators 4 D846—D850 Electric fuze for Ger projectile 5 E31—E32 Electric fuze primers 4 D854—D856... 

Fuze detonators may be subdivided into instantaneous and delay. (Delay types are described in Section 4, Part F). Both types may also be classified according to the method of initiation into flash, stab and electric... 

Navy Electric Delay Fuze Detonator Mk35 Mod l described in Ref 23, p 5-51 and shown here in Fig 1-59 is more powerful than Navy Delay Fuze Primer Mkl 15, due to the addition of 0.75 g PETN to the base chge. Otherwise, its construction is similar to Mkl 15 Fuze Primer, described in Ref 23, p 5-50 and also in this Section under "Delay Fuze Primers "(See Fig 1-62)... 

Ger 9-10 (Antiwithdrawal fuzes) Ger 20 (Bomb high-explosive train) Ger 33 (Delay compns) Ger 33-34 (Delay elements) Ger 34-35 (Detonators blasting caps) Ger 38 39 (Dust fuze) Ger 40-41 (Electric fuzes) Ger 41-2 (Electric igniters and primers) Ger 42 (Electric matchhead) Ger 44 (Eschbach igniter) Ger 53-54 (Fuseheads and their manuf) Ger 54-56 (Bomb fuzes) ... 

There are a few examples of firing time vs electric current listed in Vol 5(Ref 4), Table E5, p E28 for Electric Delay Detonators XM60, T65 T68 and in Table E9, p 57 for Electric Fuze Primers XM85, 87, 88 89... 

Fuzes Articles designed to start a detonation or a deflagration in ammunition. They incorporate mechanical, electrical, chemical or hydrostatic components and generally protective features. The term includes Fuzes, Detonating Fuzes, Detonating with protective features Fuzes, Igniting. UN App. B, ICAO A2, US 173.59, lATA App. A... 

Magnet Fuse (pronounced Fuzee). A medium power electric detonator, invented in 1854 by Abel, which was fired electrically. The original fuze contd a priming mixt of Cu20, Cu2S and K chlorate packed around the exposed wire leads, and a main charge of either mealed pdr or MF. 

Nearly a hundred years elapsed, after the invention of Lieut Moor, before interest in electric detonators was revived in USA. This was done during WWII when US Armed Forces began to fly electrical systems to perform fuzing and firing tasks. The first Army Ordnance Corps electric detonator, for use in fuzes, was the M36. It is described here in Section 5. 

When grenade strikes the target, a piezoelectric crystal in the nose is stressed, thereby generating an electrical impulse. This impulse is then conducted to the detonator of fuze M211 which initiates the booster and shaped charge of Comp B. As result of the jet created on detonation, the shaped charge can... 

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