The EBX type enhanced blast explosive is applied in the ammunition for special units, namely the 60 mm High Explosive Incendiary (60-HEI) mortar bomb for the 60 mm ultra light commando mortar ANTOS that is introduced in the Czech Army. Both the mortar and mortar bombs are produced at VOP-026 Sternberk, s.p., VTUVM Slavicin Division. The performance efficiency of 60-HEI bomb filling is obvious especially in comparison with performance efficiency of standard High Explosive Fragmentation mortar bomb 60-HEF filled with pressed TNT charge. Both mortar bombs have identical weight and ballistics.
BASIC CHARACTERISTICS
Explosive typeExplosive weightLoading density Detonation velocityDetonation pressure
oVacuum stability at 120 C ml.g.40hImpact sensitivity E50
Friction sensitivity F50
Steel body weightNumber of fragments 0.5 gWeight fraction of fragments 0.5 gNumber of fragments 2-10 gWeight fraction of fragments 2-10 g
2Lethal radius (2 fragments per m )Overpressure at 3 m distanceTNT equivalence in pressureTNT equivalence in impulse
60-HEF
TNT212 g
-31.60 g.cm-16 850 m.s
19.2 GPa-10.04 ml.g.40h
> 63.1 J1/10 at 360 N849 g> 35080 %> 6526 %8.5 m50 kPa100%100%
60-HEI
EBX type (+ titanium foil)265 + 8 g
-32.03 g.cm-17 020 m.s
21.1 GPa-10.50 ml.g.40h
> 16.8 J1/10 at 360 N811 g> 35085 %> 10044 %11.8 m71 kPa141-174%157-170%
60 mm Mortar Bomb EBX type
R
VOP - 026 ŠTERNBERK, s.p., VTÚVM Slavièín Division
026Š T E R N B E R K, s.p.
VOP - 026 Šternberk, s.p., VTÚVM Slavièín Division, Dlouhá 300, 763 21 Slavièín Czech Republictel.: +420 577 341 253, fax: +420 577 341 252, e-mail: [email protected], http: // www.vop.cz
VOP-026 Šternberk, s.p., Olomoucká 1841/175, 785 01 Šternberk, Czech RepublicPhone: +420 585 083 111, Fax: +420 585 083 115, Email: [email protected], www.vop.cz
VOP-026 Šternberk, s.p., Olomoucká 1841/175, 785 01 Šternberk, Czech RepublicPhone: +420 585 083 111, Fax: +420 585 083 115, Email: [email protected], www.vop.cz
The EBX type enhanced blast explosive charge enables to reach much higher end effect than TNT charge under appropriate chemical stability and sensitivity to outer stimuli (corresponding to hexogen/TNT compositions). With regard to the shock wave effect the explosion of one 60-HEI mortar bomb corresponds with concurrent impact of almost two TNT 60-HEF mortar bombs or one 81 mm TNT mortar bomb. The EBX type enhanced blast explosive charge also improved the fragmentation effect and increased number for fragments effective against vehicles (ranging between 2-10 g). At the same time the lethal radius of 60-HEI mortar bomb has increased by more than 3 metres. The incendiary and blinding effect of 60-HEI mortar bomb is incomparably higher too, creating a fire-ball with radius up to 8.5 m at the moment of explosion and keeping an extensive hot area for tens of milliseconds. The incendiary effect of 60-HEI mortar bomb is also enhanced by inserted titan plate that upon explosion tears itself to separate small burning strips that set up centres of the fire.
L eth al frag m en ts d istr ib u tio n o f 60-H E F an d 60-H E I
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D is tan ce (m )
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6 0 -HE F
60 -HE I
0 ms 40 ms 80 ms 120 ms
Weight of fraction (g)
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t w
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tag
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Fragmentation pattern of 60-HEF and 60-HEI Lethal fragments distribution of 60-HEF and 60-HEI
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eth
al fr
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men
ts p
er
m
Distance (m)
Explosion of 60-HEI
Explosion of 60-HEF
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VOP - 026 ŠTERNBERK, s.p., VTÚVM Slavièín Division
026Š T E R N B E R K, s.p.
VOP - 026 Šternberk, s.p., VTÚVM Slavièín Division, Dlouhá 300, 763 21 Slavièín Czech Republictel.: +420 577 341 253, fax: +420 577 341 252, e-mail: [email protected], http: // www.vop.cz
VOP-026 Šternberk, s.p., Olomoucká 1841/175, 785 01 Šternberk, Czech RepublicPhone: +420 585 083 111, Fax: +420 585 083 115, Email: [email protected], www.vop.cz
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