boattail


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boattail

[′bōt‚tāl]
(aerospace engineering)
Of an elongated body such as a rocket, the rear portion having decreasing cross-sectional area.
References in periodicals archive ?
If you live where it's legal to hunt big game with a centerfire rifle, though, the Valkyrie offers a 90-grain spitzer boattail hunting bullet.
The new bullet was a 173-grain FMJ with a nine-degree boattail and gilding metal jacket.
1930 D with a 54mm rimmed, bottlenecked case was loaded with a with a 0.311" (7.65mm) diameter, 182-grain boattail spitzer bullet traveling at approximately 2600 fps.
Bob not only offers plain-based bullets but also a RBBT, which is a rebated boattail. All handloaders know what a rifle boattail looks like, but I don't know of anyone else who has ever offered the same design for handgun bullets.
Superformance Match Ammunition achieves muzzle velocities 100 to 200 fps faster than conventional ammunition, and features Hornady AMAX and Boattail Hollow Point Match bullets, which include AMP (Advanced Manufacturing Process) bullet jackets.
The parallel boattail limbs, seated in pivoting Hyperlight[TM] limb pockets, are kept quiet by Vibracheck[TM] dampeners.
A sleek profile and boattail produce a high ballistic coefficient.
Designers tried to use elements of the coupe's boattail design while sculpting the shape of the top and the rear of the roadster while canting over as many components of the coupe as possible.
Starke's newest VLD bullet (which should be available by the time you read this) will rely on a long, slippery ogive and a brand-new boattail designed to hang on to velocity downrange.
This maximum diameter combined with the length and exit area of the nozzle establishes the boattail drag for the nozzle.
A synthetic tip, tuned ogive, and boattail create a fast, balanced profile with optimum ballistic coefficients throughout the range of calibers.