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Rifles, Reloading, Optics, Equipment
Reloading
280ai and RL23
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<blockquote data-quote="slas" data-source="post: 1977960" data-attributes="member: 103784"><p>And here's the 140:</p><p></p><p>Cartridge : .280 Ack Imp</p><p>Bullet : .284, 140, Nosler AccuBond 59992</p><p>Useable Case Capaci: 66.211 grain H2O = 4.299 cm³</p><p>Cartridge O.A.L. L6: 3.330 inch = 84.58 mm</p><p>Barrel Length : 24.0 inch = 609.6 mm</p><p>Powder : Alliant Reloder-23</p><p></p><p><strong>Code:</strong></p><p>Predicted data by increasing and decreasing the given charge,</p><p>incremented in steps of 2.0% of nominal charge.</p><p>CAUTION: Figures exceed maximum and minimum recommended loads !</p><p></p><p>Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time</p><p>% % Grains fps ft.lbs psi psi % ms</p><p></p><p>-20.0 87 52.00 2526 1984 30590 10007 95.9 1.515</p><p>-18.0 89 53.30 2592 2088 32791 10280 96.9 1.473</p><p>-16.0 91 54.60 2657 2195 35162 10531 97.8 1.433</p><p>-14.0 94 55.90 2723 2305 37715 10758 98.6 1.392</p><p>-12.0 96 57.20 2788 2416 40470 10961 99.2 1.346</p><p>-10.0 98 58.50 2853 2530 43441 11136 99.6 1.302</p><p>-08.0 100 59.80 2917 2645 46650 11283 99.9 1.260</p><p>-06.0 102 61.10 2981 2762 50124 11400 100.0 1.219</p><p>-04.0 105 62.40 3044 2880 53882 11496 100.0 1.180</p><p>-02.0 107 63.70 3106 2999 57948 11588 100.0 1.142 ! Near Maximum !</p><p>+00.0 109 65.00 3168 3119 62371 11677 100.0 1.106 ! Near Maximum !</p><p>+02.0 111 66.30 3229 3241 67124 11761 100.0 1.071 !DANGEROUS LOAD-DO NOT USE!</p><p>+04.0 113 67.60 3290 3364 72258 11840 100.0 1.038 !DANGEROUS LOAD-DO NOT USE!</p><p>+06.0 115 68.90 3350 3489 77817 11915 100.0 1.005 !DANGEROUS LOAD-DO NOT USE!</p><p>+08.0 118 70.20 3411 3616 83846 11984 100.0 0.974 !DANGEROUS LOAD-DO NOT USE!</p><p>+10.0 120 71.50 3471 3745 90397 12049 100.0 0.944 !DANGEROUS LOAD-DO NOT USE!</p><p></p><p>Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge</p><p>Data for burning rate increased by 10% relative to nominal value:</p><p>+Ba 109 65.00 3288 3361 76959 11235 100.0 1.020 !DANGEROUS LOAD-DO NOT USE!</p><p>Data for burning rate decreased by 10% relative to nominal value:</p><p>-Ba 109 65.00 2982 2764 49043 12113 98.8 1.222</p></blockquote><p></p>
[QUOTE="slas, post: 1977960, member: 103784"] And here's the 140: Cartridge : .280 Ack Imp Bullet : .284, 140, Nosler AccuBond 59992 Useable Case Capaci: 66.211 grain H2O = 4.299 cm³ Cartridge O.A.L. L6: 3.330 inch = 84.58 mm Barrel Length : 24.0 inch = 609.6 mm Powder : Alliant Reloder-23 [B]Code:[/B] Predicted data by increasing and decreasing the given charge, incremented in steps of 2.0% of nominal charge. CAUTION: Figures exceed maximum and minimum recommended loads ! Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time % % Grains fps ft.lbs psi psi % ms -20.0 87 52.00 2526 1984 30590 10007 95.9 1.515 -18.0 89 53.30 2592 2088 32791 10280 96.9 1.473 -16.0 91 54.60 2657 2195 35162 10531 97.8 1.433 -14.0 94 55.90 2723 2305 37715 10758 98.6 1.392 -12.0 96 57.20 2788 2416 40470 10961 99.2 1.346 -10.0 98 58.50 2853 2530 43441 11136 99.6 1.302 -08.0 100 59.80 2917 2645 46650 11283 99.9 1.260 -06.0 102 61.10 2981 2762 50124 11400 100.0 1.219 -04.0 105 62.40 3044 2880 53882 11496 100.0 1.180 -02.0 107 63.70 3106 2999 57948 11588 100.0 1.142 ! Near Maximum ! +00.0 109 65.00 3168 3119 62371 11677 100.0 1.106 ! Near Maximum ! +02.0 111 66.30 3229 3241 67124 11761 100.0 1.071 !DANGEROUS LOAD-DO NOT USE! +04.0 113 67.60 3290 3364 72258 11840 100.0 1.038 !DANGEROUS LOAD-DO NOT USE! +06.0 115 68.90 3350 3489 77817 11915 100.0 1.005 !DANGEROUS LOAD-DO NOT USE! +08.0 118 70.20 3411 3616 83846 11984 100.0 0.974 !DANGEROUS LOAD-DO NOT USE! +10.0 120 71.50 3471 3745 90397 12049 100.0 0.944 !DANGEROUS LOAD-DO NOT USE! Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge Data for burning rate increased by 10% relative to nominal value: +Ba 109 65.00 3288 3361 76959 11235 100.0 1.020 !DANGEROUS LOAD-DO NOT USE! Data for burning rate decreased by 10% relative to nominal value: -Ba 109 65.00 2982 2764 49043 12113 98.8 1.222 [/QUOTE]
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280ai and RL23
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