Ballisticboy's latest activity
Ballisticboy replied to the thread Do pellets tumble ?.You will have to watch your barrel twist rate with slugs. The twist rate will dictate a maximum length for the slugs which can be...- Keyholing, can we agree that a keyhole doesn't indicate that the projectile was tumbling, only that it didn't hit perpendicular to the...
- Ballisticboy replied to the thread Do pellets tumble ?.All types of stability, including aerodynamic and gyroscopic stability, are dependent on moments, not forces. The drag force has...
- Well having now read aerodynamic research papers on: boat tailed bullets used for long range competition, diabolo pellets, baseballs...
- Ballisticboy replied to the thread Do pellets tumble ?.I am afraid you will have to wait a very long time then. I did not suggest that the reports were wrong, just that the pellet shapes...
- Ballisticboy replied to the thread Do pellets tumble ?.On the first of these references, it is unfortunate that the tests were all carried out on relatively high nose drag pellet designs, all...
- I would count that as an exceptionally large disturbance and not representative of pellet flight. David
- Ballisticboy replied to the thread Do pellets tumble ?.I don't personally know of any 9 year old that can throw a shuttlecock at 38000 RPM. The spin rates of pellets, bullets, shells or any...
- Ballisticboy replied to the thread Do pellets tumble ?.No, basic aerodynamic knowledge as learned in the most basic aerodynamics courses. Nothing to do with "opinions"
- Ballisticboy replied to the thread Do pellets tumble ?.It is highly unlikely that pellets will tumble, as the gyroscopic stability shows large increases as the pellet slows down. There can be...
- Ballisticboy replied to the thread Do pellets tumble ?.This is not a good source of ballistic information and should be avoided.
- Ballisticboy replied to the thread Greenhill Formula ?.All of the simple systems use large assumptions and simplified equations to calculate twist rates. The Greenhill formula was one of the...
- Ballisticboy reacted to JackHughs's post in the thread The Mechanics of the Vertical Wind Effect with
Like. Thank you for all your efforts in providing clear, easy to read descriptions of the effects of wind on pellets. Your November 15, 2024... - Ballisticboy reacted to Revoman's post in the thread The Mechanics of the Vertical Wind Effect with Like. Always enjoy the reads BB! mike
- Ballisticboy reacted to SniperX's post in the thread The Mechanics of the Vertical Wind Effect with Like. Wow. Excellent read and great explanation. Thanks. This definetely seems to align with my real world experience. Would you mind...