I've had time to look it up and here's a link to a very brief explanation of barrel flip in a double rifle:
http://forums.accuratereloading.com/eve/...6481#2781096481Same thing for a shotgun. That's why rifle barrels need to be regulated for a specific weight bullet/powder. Bespoke shotguns used to be (I'm not sure if they still are) regulated for the new owner's favorite load.
that reads like more of the gunners' intuitive physics that we are all so familiar with than a reality. I would suspect that the off-axis bbls have as much to do with flip as the direction of the rifling. Are double rifle bbls rifled in opposing directions? Why not? Muzzle flip is derived from the geometry of the wood/meat interface and those silly energy/recoil equations. I can make just about anything flip like a MFer. And conversely reduce it to a minimum allowable by other dimensions. It's a system and rifle people are notoriously iggorint of proper gun fitting. Shotgun people marginally less so. Maybe.
I missed the ref to altering bbl harmonics by changing loads. Might be a clue to those pesky regulation issues in the rifles.
I could be wrong but I try to have Newton (y'know that energy, mass, force vectors kinda stuff) on my side so.......
have a day
Dr.WtS
