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The 6.5-284 has been used extensively in benchrest competitions and is known as an extremely accurate long range round. Using an improved version of the 6.5-284, Rich DeSimone set a 1,000-yard (914.4 m) world record with a 1.564-inch (39.73 mm) group. [ 4 ]
A professional air audit is the best way to identify if a VSD compressor is most appropriate for any given compressed air application. [2] These audits are available from various companies that specialize in the implementation of compressed air equipment, which can determine the most efficient controls for a compressed air system – including ...
Compressor characteristic is a mathematical curve that shows the behaviour of a fluid going through a dynamic compressor.It shows changes in fluid pressure, temperature, entropy, flow rate etc.) with the compressor operating at different speeds.
The 6.5 PRC (Precision Rifle Cartridge) was initially designed by George Gardner of GA Precision and Hornady in 2013 and released at the 2018 SHOT Show. It is essentially a more powerful and flatter-shooting version of the 6.5mm Creedmoor and uses the same bullet, but not the same cartridge case.
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For example, if the static compression ratio is 10:1, and the dynamic compression ratio is 7.5:1, a useful value for cylinder pressure would be 7.5 1.3 × atmospheric pressure, or 13.7 bar (relative to atmospheric pressure). The two corrections for dynamic compression ratio affect cylinder pressure in opposite directions, but not in equal strength.
The RPR was originally announced in the following calibers and configurations: .308 Win. with 1:10 twist, 20 in (51 cm) barrel, weighing 9.7 lb (4.4 kg) 6.5 Creedmoor with a 1:8 twist, 24 in (61 cm) barrel, weighing 10.6 lb (4.8 kg)
The cartridge is a necked-up version of the .22 PPC which is in turn based on a .220 Russian (5.6×39mm). [5] The standard bullet diameter for 6 mm caliber cartridges is .243 inches (6.2 mm), the same diameter used in the .243 Winchester and 6mm Remington cartridges.