Straight Shooter
Well-Known Member
Spin drift and coriolis in your ballistic apps?
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Zen Archery
Well-Known Member
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Ballistic AE. Only got 1000 yard range so don't have distance to use it.
Simple, the best way to understand what your bullet is doing at long range is to use a ballistic calculator & shoot as often as possible. Real life experience & data feedback is the only way to come to terms with spin drift & coriolis effect. 
Jeff Heeg osoh
Well-Known Member
Simple enter in the Latitude via degrees , the Azimuth direction- magnetic direction and have your spin drift application active in your program in a good ballistics app
buckbrush
Well-Known Member
Ignore it.
Maybe I'm not good enough to notice the difference but I've not seen or at least recognized and coriolis effects out to a mile in several cartridges. I have seen spin drift effects, but I can't say I've recognized coriolis.
As previously said, Ignore it. Until you are go beyond 600 yards, it really doesn't play as an important factor. Even then it is relatively constant and simply compensated for when setting your zero at longer ranges. If you have an accurate zero at any given distance and have your sights adjusted for it, then it plays a pretty inconsequential part of the flight path of the bullet. You have already compensated for it.
buckbrush
Well-Known Member
Most calculators don't actually calculate spin drift, but rather use a "flat rate value" based on TOF or something. The result is a way overstated value. Most people, self included, can't consistently read wind well enough at 1000 yards to blame a miss on spin drift...and coriolis certainly isn't causing those misses.
Learn to read wind...
Learn to read wind...
Word
Huntnful
Well-Known Member
The Revic App accounts for spin drift, aerodynamic jump and Coriolus. It's an excellent, free, ballistic app.
Gunwerks & Revic have put together a package that is unparalleled in the long range hunting/shooting industry. Nothing outweighs experience. With that being said, our strongest link is only as good as our weakest link. When shooting the Gunwerks rifles using the Revic optics. I'm the weakest link. Their products are capable of getting the results every time. As the operator of the system, my repeatability will always be the wild card. Having taken multiple long range shooting classes, misreading the environmental factors is where I learn the most about the rifle, scope, bullet & my own ability.
Good Luck
Good Luck
Once you start going past 500 I only true MV and BC's. Between the two and trueing them to jive longe range is all I ever needed. Some say just trust your calculators and chrono. Me personally, I've always had to tweak the numbers to make them be spot on out to a 1000 and beyond. The Hornady App works rather well and will account for weather conditions. I do find my windage a touch off but after familiarizing yourself with the app you can get a good idea and account for that with results you see in the field.
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