boattail


Also found in: Encyclopedia.

boattail

(ˈbəʊtˌteɪl)
n
a large species of blackbird, Quiscalus major, found in coastal areas of the southeastern US

boattail

The conical section of a ballistic body that progressively decreases in diameter toward the tail to reduce overall aerodynamic drag.
References in periodicals archive ?
For years Hornady manufactured a 200-grain flatnose softpoint which has now been replaced by a 200-grain, boattail, Flex-Tip expanding bullet designed for the .
303 inch, Mark VIIIz--designed for use in heavy machine guns, it utilized a 175-grain boattail spitzer bullet moving at 2550 fps.
As the city's newest headliner pulled up in front of the iconic Caesars Palace porte cochere in a pink 1936 Auburn Boattail, fans went wild to welcome Mariah as she emerged from the car and was greeted by Caesar himself.
The flat base gives a nice, consistent surface for the gas to push against as opposed to the cone-shaped boattail.
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.
The Las Vegas docket will include an eclectic mix of collector vehicles, such as a 1949 MG TC (Lot #819) that was Carroll Shelby's first race car, a 1957 Ford Thunderbird "F" Convertible (Lot #817) and Le Bestioni (Lot #813), a 1918 boattail speedster created by Gary Wales.
9mm Patrone sS (schweres Spitzgeschoss--"heavy pointed bullet") with a 198-grain FMJ, boattail, spitzer bullet moving at 2575 fps.
Most any bullet much bigger than a 55-grain has to be seated below the case neck cylinder, and I'm referring to a portion on the bullet that is caliber diameter, not just the boattail part, if there is one.
Using advanced fiber placement manufacturing and automated inspection techniques, ATK produced three components for the ULA Atlas V 531 vehicle, including the 10-foot diameter composite heat shield that provides essential protection to the first stage engine, the Centaur Interstage Adapter (CISA) that houses the second stage engine, and the Boattail that adapts from the core vehicle to the five-meter diameter fairing.