Ballistics

From Pat's Airgun Wiki

Internal,

general, spring, PCP

summarize: The Internal Ballistics of an Air Gun, Mark Denny

PCP: https://repositorio.comillas.edu/xmlui/handle/11531/1413 (https://repositorio.comillas.edu/xmlui/bitstream/handle/11531/1413/PFC000056.pdf?sequence=1&isAllowed=y)

https://www.aimt.cz/index.php/aimt/article/view/1032

https://www.researchgate.net/publication/286113180_Prediction_of_the_air_gun_performance

Spring: http://home2.fvcc.edu/~dhicketh/DiffEqns/spring07projects/StephenCompton/SpringAirModel.pdf

https://shooting-the-breeze.com/threads/elastic-limit-of-spring-calculator.36731/

https://www.gatewaytoairguns.org/GTA/index.php?topic=102604.0

https://www.airgunmagazine.co.uk/features/a-perfect-formula-airgun-design-breakthrough/


transfer port physics:

https://newatlas.com/how-to-build-a-supersonic-ping-pong-gun/26082/ : a normal valve can't make the ball go supersonic. That's why you need a nozzle (de Laval)

https://www.gatewaytoairguns.org/GTA/index.php?topic=186846.60

https://www.gatewaytoairguns.org/GTA/index.php?topic=71683.msg683030#msg683030

spring physics

leaving a spring cocked: https://www.pyramydair.com/blog/2022/03/how-long-can-you-leave-that-mainspring-cocked/ : barely any effect to large reductions


External, terminal

BC / Air drag

https://www.airgunforum.co.uk/community/index.php?threads/things-i-have-learnt-using-doppler-radars.275681/

https://www.ctcustomairguns.com/hectors-airgun-blog/just-what-the-h-k-is-the-ballistic-coefficient



Wind drift: summarize https://www.gatewaytoairguns.org/GTA/index.php?topic=169459.msg155928900#msg155928900

wind drift effect on vertical, airguns vs firearms: https://forum.accurateshooter.com/threads/crosswind-effects-on-vertical.3972006/page-3


Wound ballistics: summarize: https://books.google.ch/books?id=XxbuBQAAQBAJ&pg=PR4&lpg=PR4&dq=Karl+G.+Sellier&source=bl&ots=CRZZBOklgM&sig=ACfU3U12C-fw4zr1bB3Bdgv-uy-82jNb_A&hl=nl&sa=X&ved=2ahUKEwix_OqD7tz3AhXH2KQKHbpxDjUQ6AF6BAgjEAM#v=onepage&q=Karl%20G.%20Sellier&f=false


summarize: https://www.semanticscholar.org/paper/The-interaction-between-clothing-and-air-weapon-Wightman-Wark/1d4cc233cae8c9e32ce604f13a04096fd6af55d2

harmonic tuning of barrel & pellet:

https://www.ctcustomairguns.com/hectors-airgun-blog/the-saga-of-a-56-th4603110

https://airgunwarriors.com/community/airgun-talk/air-rifle-barrel-vibration-measurements/#post-49483

https://airgunwarriors.com/community/airgun-talk/a-scientific-look-into-the-dynamics-of-the-shot-cycle-of-three-spring-piston-airguns/#post-47811


sleeved pellets

https://link.springer.com/article/10.1007/s00414-013-0904-x Pellet uniformity / pellet variables

Pellet uniformity / pellet variables

rolling https://www.airgunnation.com/topic/the-geometry-of-yrrahs-pellet-rolling-methodology/

https://www.youtube.com/watch?v=_o0vq__b60g&t=709s


https://airgunwarriors.com/resources/library/Ballistics_Influence_of_air_rifle_pellet_geometry_on_aerodynamic_drag_Nicos%20Ladommatos.pdf


separate section / safety, danger & lethality: summarize:

https://www.semanticscholar.org/paper/A-contribution-to-the-discussion-on-the-safety-of-Wightman-Cochrane/9b69cdc2e15e03a688b6546e1c617244513cbfd1

https://www.semanticscholar.org/paper/Air-guns%3A-toys-or-weapons-Aslan-Uzkeser/d3bc4f008ef3359443918742184858b1f97206a9

https://epub.ub.uni-greifswald.de/frontdoor/deliver/index/docId/1580/file/Diss_NGUYEN_Tienthanh.pdf

https://epub.ub.uni-greifswald.de/frontdoor/deliver/index/docId/1964/file/Diss_Werner_Ronald.pdf