Will dimples on a slug make it better?

How do the dimples work... <a href="https://youtu.be/fcjaxC-e8oY" rel="nofollow noopener" target="_blank">https://youtu.be/fcjaxC-e8oY</a> Here is a detail CFD <a href="https://www.youtube.com/watch?v=LvVuuaqCC7A" rel="nofollow noopener" target="_blank">https://www.youtube.com/watch?v=LvVuuaqCC7A</a>Why does the ball have a curve to its flight <a href="https://www.youtube.com/watch?v=8kVuKAqy_2k" rel="nofollow noopener" target="_blank">https://www.youtube.com/watch?v=8kVuKAqy_2k</a> What is the Magnus Force <a href="https://www.youtube.com/watch?v=O6JdMSpiIqU" rel="nofollow noopener" target="_blank">https://www.youtube.com/watch?v=O6JdMSpiIqU</a> More detail on projectiles <a href="https://www.youtube.com/watch?v=23f1jvGUWJs" rel="nofollow noopener" target="_blank">https://www.youtube.com/watch?v=23f1jvGUWJs</a> What is very interesting much of physics and mathematics originated due to the study of cannon balls. Why was this in 15th and 16th Century Italy... lots of little City States who were always at war and the need to know where cannon balls would land. Galileo Galilei did the Pisa Tower experiments to work out the math to calculate cannon ball flight. He also invented the telescope as military naval uses because this would pay. Science did not pay but the Princes would for military purposes. His work on the telescope really was to pay for the typical Italian practice of a gentleman having a second family... the celestial observation stuff only came as a later benefit to him to satisfy his curiosity.

Kimball Rustin Roy Scarr

Decrease boundary layer and its resistance. Should try drilling through holes, intersecting in middle, and see what you get....

Kimball Rustin Roy Scarr

Dimples only work at subsonic velocities. Supersonic aerodynamics are a different beast.

Jonathon Payne

Thats what i thought, they might work with a subsonic round.

Andreas

You should have tried Shirley Temple dimples to make it cuter.

Mark Trombley

Golf ball dimples work like a pick-up bed with the tailgate up; you get little air cyclones in there that move incoming air around the object, thus reducing drag. At supersonic, they will do nothing. Still fun to watch, though, keep it up.

I wonder if you could take something like a punch that has a round head and punch in dimples to allow you retain all of it's mass

I'm guessing whoever suggested the dimples were thinking about the effect they have on golf balls, it is a real effect but I think it needs rotation to see the benefits of the dimples. IIRC studies showed a dimpled golf ball would travel thru air further, something about cutting thru the air more efficiently. Fun video thanks!!

CCW1911

since there is no rotation, i think not. but i'm drinkin wine what do i know.

Should watch before commenting😁

Anghus the Black

Think golf ball

Anghus the Black