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Bullet's Brinell hardness number (BHN) x 9.80665 N/kgf×10 6 mm²/m² = [N/m²] = pressure in pascals Bullet's BHN x 1422 = pressure in pounds per square inch [3]. The conversion factor of 1422 is mathematically derived in order to convert the pressure in kgf/mm 2 (the units used to measure BHN) to lbf/in 2 (the units used to measure cartridge pressure).
An open single-cavity bullet mold and a closed two-cavity mold. A cast bullet is made by allowing molten metal to solidify in a mold.Most cast bullets are made of lead alloyed with tin and antimony; but zinc alloys have been used when lead is scarce, and may be used again in response to concerns about lead toxicity.
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A larger-diameter bullet is going to have significantly more drag than a smaller-diameter bullet of the same mass, which means long-range performance will be significantly degraded. A larger diameter bullet also means more space is required to store the ammunition, which means either bulkier guns or smaller magazine capacities.
A guide to the recoil from the cartridge, and an indicator of bullet penetration potential. The .30-06 Springfield (at 2.064 lbf-s) is considered the upper limit for tolerable recoil for inexperienced rifle shooters. [2] Chg: Propellant charge, in grains; Dia: Bullet diameter, in inches; BC: Ballistic coefficient, G1 model; L: Case length (mm)
M712 Copperhead approaches an old M47 Patton tank used as a target M712 detonating. The M712 Copperhead is a 155 mm caliber cannon-launched guided projectile.It is a fin-stabilized, terminally laser guided, explosive shell intended to engage hard point targets such as tanks, self-propelled howitzers or other high-value targets.
Moreover, the laser would not have to originate from the source of the bullet, allowing the projectile to be fired at a target beyond visual range. [6] To allow the bullet to modify its flight path, the body was designed as a metal and polymer combination. The polymer would act as a deformable surface that would deflect the air-stream and steer ...
Download as PDF; Printable version; In other projects ... Bullet diameter.225 in (5.7 mm) ... .297-230 Morris short specification chart. See also