Coriolis Effect

[Brandon Pattison]

Has anyone noticed this in long-range shooting? Archery specifically.

 

[Brandon Pattison]

Not to steer the topic but I also wonder if the direction you shoot (such as northwest) or fletching orientation (right or left wing) makes any difference such as worse or less, all things considered and equal. By definition in our hemisphere it should drift right.

While we're at it, what speed would my arrow be at 100 yards if it is 282 FPS at the bow? It weighs 495 grains. 150 grain field point. Easton Axis 300 cut 28.5" ctc. Normal HIT and nock. 5" wrap and three-fletch Blazers.

 

[freebird134]

ummm... no.

 

[Desk Jockey]

Are you shooting your arrows from a howitzer?

 

[Warren1726]

You'd have to be shooting really long ranges, like 150+ yards for Coriolis to have a significant impact on accuracy. Even at say, 100 yards it's just over 1 second flight time. Maybe an inch at most.

 

[tipsntails7]

I don't think you can shoot a bow far enough for it to even matter

 

[airlocksniffer]

I think this thread is satire......

 

[Curtis C]

FOB's cancel any coriolis effect you may have in your long range shooting. They also reduce wind drag so you won't have any measurable speed loss at 100yds.

 

[charvey9]

Is that what the 4th axis is for?

 

[blick]

I find that I don't have to worry about unitl I start using the 2nd slider on my double stacked sliding slider.

 

[colonel00]

Watch this video to see how minor the Coriolis effect really is.

https://www.youtube.com/watch?v=aDorTBEhEtk

 

[freebird134]

I'm going to invent something that protects our arrows from the Coriolis effect. If I've learned one thing from hunting forums and products like HECS, it's that hunters love to buy solutions for nonexistent problems.

 

[Randy Baatenburg]

I've been studying this topic a lot lately. Today I stumbled on this video, https://www.youtube.com/watch?v=Et23I9zneqk. I do actually think it is possible to hit at 100 and 200 yards as he claims, but the wind and poor form ect. makes me a bit skeptical. I strongly suspect the 300 shot took dozens if not hundreds of tries, or maybe he just got lucky fairly fast..
My point is I have crunched some numbers on coriolis effect at 100 and 300 yards for practical archery. I figured these results from the 45th parallel, about where I live.
100 yard shot with estimated 1 second arrow in flight= about 0.18 inches of coriolis effect, or 1.5 second flight time being 0.27 inches. Either way insignificant.
300 yard shot with estimated 4.5 second arrow in flight= about 22.07 inches of coriolis effect, very significant.
Not worth considering in the real world of archery in my opinion.

 

[colonel00]

Also depends on which direction you are shooting.

 

[MULEPACKHUNTER]

I like to use the g7 rangefinder for bow hunting. Takes corialis and spin drift problem solved.

 

[roadrunner]

I'm going to invent something that protects our arrows from the Coriolis effect. If I've learned one thing from hunting forums and products like HECS, it's that hunters love to buy solutions for nonexistent problems.

I wish I had the time as well to invent solutions to non-existent problems...then I could quit my day job!!

 

[Brandon Pattison]

Randy and I were just talking about it. So I asked. Never meant to ruffle any feathers. Never was a problem. Just BSing.

 

[Brodie]

Post this question on archerytalk, I think you would cause a collapse of the Internet. Broadhead, bare shaft, yoke, walk back tuning and now this. You trying to cause trouble!?

 

[Brandon Pattison]

Ha! You know I held back but I was beginning to feel like I was on AT but was avoiding adding a comment like that here.