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Ilonde l ay fu-es are used with high - explosive bombs to produce
'
an air blast effect and considerable fra , mentation b+cause
of the high velocity of dPparture. Th e same i s a lso true of
the multiple purpose bomb , whose fra ments how -ver are more
massed .
rdondelay fu es are used for ntensive incendiary bombs
as we ll as f or
" sPd ntary" ch mica l and sroke bombs in order
to disperse their contents ov r the tar et area .
`
c .
De l ay ed - Action Fuses .
De l aved - action i s
the other type of
fuse that is more mportant for
the eff^ct of Ligh - explosive
a nd a r mo r - pi e r c i nn boatbs .
Th e bomb s r . ou l d no t p ene t r a t e anv
f ur th er into the targ et than is necessary to obtain optimum
effectiveness .
'1Ti th the fuses attached to the various types of
an d i s
bombs it h as diff eren t eff ec ts i m _
inly deterrnined bv
the burning of a pressed grain of powder .
'" Th e de l a v of f u se (25 ) use d f or h i h _ explo siv e SC 250 an d
SC 500 b omb s corr espon ds to th e r es ectiv e drop a lti t u de an d
th e r es i s t a ṇc e o f th e ta rg e t . Th e a vera„ e s e tti ng i s . 0 ` of
a second .
A s pr eviou sly m en ti on e d ,
th e delay ed - a c ti on can a l so
be reset in specia l cases for timin in the dead cent r o f the bomb .
Protected l an d or naval targets requir different fuses .
Th e large hi h - explosive bombs SC 1000 ,
SC 1800 , and SC 2000
as well as the SD 1700 are delivered with (28 ) B fuses , which
.
have fixed delavs in
the explosion of the powder as rell as
mechanically actiog ,
"kinetical" d e lays that stronolỵ brpak
t h e bomb at t he t a r e t . Th i s d l a y e d a c t i on i s a dj u^t e d i .
n
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