WebNov 29, 2024 · mikecr. Nov 29, 2024. #12. So the answer is. BULLET LENGTH = Total length (including tip) PLASTIC TIP LENGTH = Tip Portion (internally subtracted from total length) Last edited: Nov 30, 2024. WebMar 6, 2024 · It is also subject to much larger manufacturing variations than most varmint and match bullets. If the JBM Stability calculator computes a stability above 1.5 for your twist rate, conditions, and velocity, you should be reasonably assured the bullets will not tumble. JBM - Calculations - Stability . jdboy Full Member.
Range Report - JBM and Stability Sniper
WebYou can use the Berger Twist Rate Stability Calculator to determine the optimal barrel twist rate based on your specific shooting conditions and the bullet you plan to use. This information helps you to determine which barrel you … WebSG is the specific gravity, or the measure of gyroscopic stability applied to the bullet by spin. Mathematically SG is the ratio of the stabilizing influences of rotating mass, vs. the de-stabilizing effects of aerodynamics. If this ratio is greater than 1.000, it means the bullet has more stabilizing influence than de-stabilizing influence, so ... magical lights of winter ohio
JBM - Calculations - Drag/Twist Terms
WebAug 1, 2024 · Stability Analysis Your bullet is MARGINALLY STABLE. Your bullet stability is marginal. You may shoot good groups under these conditions, but the BC of the bullet will not be optimized. SG = 1.27 Bullet BC (G1): 0.625 Adjusted BC for 1 in 9" Twist: 0.582 Your BC is being compromised by:7% Minimum Twist Recommended: 1 in 8.25" JBM … http://kwk.us/twist.html WebNov 12, 2024 · If you use a bullet drag/twist calculator, instead of the basic stabilization calculators, it works very well. The problem is inputs. Most inputs are based on calibers. … magical love story on starlife cast