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Very Low Drag Bullet design / turned solids

 
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  #8  
Old 01-07-2010, 11:17 AM
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Join Date: Apr 2008
Posts: 32
Re: Very Low Drag Bullet design / turned solids

Good luck getting the perfect shape such as sear-haack, Von Karman to load and shoot as expected. That long boat tail displaces powder and is harder to seal in the barrel. When it leaves the muzzle the blast around the bullet tends to destabilize the bullet.
Check out the corbon web site. Rebated boat tails may be the best of both worlds. Banded bullets seem to seal better in the bore. Again, talk to Noel Carlson, he is well educated in this area and likes to push known boundaries. Where you are headed may need new propellants, new barrels with different metals, coatings and twist profiles. Ballistics and terminal performance are fascinating!
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Old 01-07-2010, 12:11 PM
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Join Date: Mar 2009
Posts: 13
Re: Very Low Drag Bullet design / turned solids

Quote:
Originally Posted by Movin View Post
Good luck getting the perfect shape such as sear-haack, Von Karman to load and shoot as expected. That long boat tail displaces powder and is harder to seal in the barrel. When it leaves the muzzle the blast around the bullet tends to destabilize the bullet.

Maybe inline EDMed break holes would be a good way to decrease muzzle blast that could affect precision especially on long (boat) tails. Maybe some kind of muzzle break that can be screwed over that holed tip of the barrel would help reduce recoil even more since a couple of holes would likely be to less to reduce recoil on larger calibers.

Check out the corbon web site. Rebated boat tails may be the best of both worlds. Banded bullets seem to seal better in the bore.

I think driving band bullets would be the way to go anyway since solids would cause more friction and barrel wear without them.


Again, talk to Noel Carlson, he is well educated in this area and likes to push known boundaries. Where you are headed may need new propellants, new barrels with different metals, coatings and twist profiles. Ballistics and terminal performance are fascinating!

Yeah, they really are! I just need to refresh my math skills a little bit ^^ But as long as you see math as some kind of powerful tool and not just hate it it should work...
romeyo
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  #10  
Old 02-19-2010, 03:27 PM
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Join Date: Jan 2010
Posts: 2
Re: Very Low Drag Bullet design / turned solids

Finsolid type 4450 cal338 range 300 meters group of 5.
www.finsolid.com

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