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The vertical stabilizer is the fixed vertical surface of the empennage. A vertical stabilizer or tail fin [1] [2] is the static part of the vertical tail of an aircraft. [1] The term is commonly applied to the assembly of both this fixed surface and one or more movable rudders hinged to it. Their role is to provide control, stability and trim ...
There are many forms of gun stabilization. The simple single-plane stabilizer only stabilizes on a vertical axis, and the two-plane stabilizer stabilizes both the vertical and horizontal axis. The mechanism usually includes an angular reference device such as a mechanical or optical gyroscope and servomechanisms. In the case of a tank, one ...
In 1970, new and old T-55 tanks had the loader's hatch modified to mount the 12.7 mm DShK machine gun, to deal with the threat of attack helicopters. Starting in 1974, T-55 tanks received the KTD-1 or KTD-2 laser rangefinder in an armoured box over the mantlet of the main gun, and the R-123 or R-123M radio set. [10]
The MD-11 has a center engine at the base of the vertical stabilizer, like the DC-10. Additionally, the nacelle has a bulge at the front, similar to the DC-10-40 variant. The lack of innovation from McDonnell Douglas during the MD-11's design had been attributed to the company's declining cash flow, as it struggled with problems with its ...
The P.376 was very similar to the Javelin in overall layout, with a large delta wing and a T-tail formed of smaller delta horizontal stabilizer at the top of the vertical stabilizer. The most apparent change from the ground was the overall larger size, with the cockpit area now forward of the wing and a large extension rearward for the engines ...
The Sudan also used Type 59 tanks during the Second Sudanese Civil War. Five were lost to the Sudan People's Liberation Army near Yei in March 1997. [10] Type 59 tanks were involved in the Chinese government's violent crackdown on the 1989 Tiananmen Square protests, a column of which were obstructed in the Tank Man incident. [11] [12] [13]
The B-17E (299O) was an extensive redesign of the previous B-17D. The most obvious change was the larger, completely new vertical stabilizer, originally developed for the Boeing 307 Stratoliner, and the addition of a tail gunner. Experience had shown the Flying Fortress was vulnerable to attack from behind.
Built by Bill L. Rogers in 1996, Miss Ashley II was a P-51R; [1] a hybrid aircraft consisting of the fuselage of a P-51D fuselage and a P-51H vertical stabilizer, a Learjet 23 wing (without wingtip tanks) and horizontal stabilizer, and Piper Aerostar landing gear.