on those 7.62 subsonics?
Found a piece on the effects of rifling and projectile spin on the projectiles that seems to explain it. Very short version is that, over distance, a right-hand spin can cause a bullet to deflect a bit to the right. Throw in a projectile both long & heavy for the cartridge and subsonic velocity, that may well be the cause.
Long version, here's the article.
Yes, there will be more research, because this is a serious rabbit hole.
4 comments:
The test range was way too short for this to act on the bullet.
If you were shooting at 800 yards, okay.
At 25? It isn’t the reason.
Quite possibly not, I'm just spitballing here
Speed and twist rate stabilize the bullet. The bullet weight affects this. The Coriolis Effect is real. How does a pitcher make a pitch drift, drop it break? Play with projectile weight of your velocity is limited. There's a sweet spot where all the curves intersect.
“How does a pitcher make a pitch drift, drop it break?”
What does airflow around a baseball have to with bullets? Bullets don’t have stitched seams and the fastest (about 102mph) travel at less than 150fps.
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