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Drill Hole DHK-31 | Assays released August 22, 2023 ⚪ This image shows drill core from 582.00 m to 588.51 m in DHK-31, an infill hole drilled to close a gap in the northeastern part of the Santa Barbara deposit at the Iska Iska Project. 🔩 DHK-31 intersected 125.99...

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Strange Tests – Firing at a T-64B Tank from "Hyacinth" Almost Point-Blank.Comendante wondered, "Will the Ukrainian T-64 tank withstand a point-blank shot from the 152mm Hyacinth?" It's worth clarifying here that the hull design, including the VLD on the T-64 (T-64B = 30+80+105+20), is similar to that of the T-72.1st shot – tank displacement from the impact impulse, destruction of part of the plate welded to the VLD, damage from barrel fragments and destruction of the weld seam of the support (the lower 20mm part of the VLD), destruction of the turret ring. 2nd shot – shot at the joint between the turret and hull over the driver's hatch – breach of the hull roof.Further shooting 4 more times at the turret, glacis, and gun. What can be said here? – For a design developed in 1961 without requirements to withstand hits from a 152mm OFS from "Hyacinth," it's actually not bad.The breach of the front part of the hull roof upon explosion of an OF projectile is well-known, see - problem with the stability of the MV hatch on the T-64(A) when hit over the MV hatch is also known - raises another question – why haven't these issues been improved in 65 years? On the "newest" T-90M, it's the same hatch as on the 64. Cracks and detachments of parts also occur the topic of researching the damaging effect of high-explosive fragmentation shells on armor, see -The effectiveness of a 152mm high-explosive fragmentation shell against armor significantly depends on its velocity and angle of impact. At velocities over 800 m/s, the impulse force of the shells can reach 40-50 kN·s, which is 2-2.5 times greater than that of a 125mm high-explosive fragmentation shell; when the velocity decreases from 400 to 250 m/s, it decreases by 2 to 4 times... The impulse force when a 152mm shell hits a tank (at 800 m/s velocity) is 1.4-2 times greater compared to the impulse of a 125mm HE. INVESTIGATION OF THE DAMAGING EFFECT OF HIGH-EXPLOSIVE FRAGMENTATION SHELLS ON ARMOR (

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