Lực lượng phòng vệ Nhật Bản - 日本国自衛隊 - The Japan Self Defence Forces P2

QH-50D DASH_(Trực Thăng MINI Điều Khiển Từ Xa Mang Ngư Lôi Điệt tàu Ngầm)
Trái Màu Vàng Là Ngư Lôi MK 44
Trái Còn Lại Là Ngư Lôi MK 46
o?~?Y度 "150km／h
巡^?Y度 "100km／h
^s距> "60海?O
^sT,-" 1.75T,-"



Được alphandt sửa chữa / chuyển vào 00:47 ngày 17/06/2009
Được alphandt sửa chữa / chuyển vào 00:48 ngày 17/06/2009

This is the brief model history of the ONLY U.S. Navy Fleet deployed Vertical Takeoff or landing, Unmanned Aerial Vehicle. As the QH-50A and QH-50B were not fleet deployed, they are not mentioned here.
The Gyrodyne model QH-50D is a remotely controlled unmanned aerial vehicle (UAV) in which over 377 were built and delivered to the U.S. Navy as the Drone Anti-Submarine Helicopter (DASH) for the DASH weapon system under contracts received in June 1966; see photo right.
Final deliveries occurred in October 1969. Then, the QH-50D was a rotary-winged, anti-submarine weapon carrier designed primarily to deliver two MK44 acoustic homing torpedoes or a Mk 17 Nuclear depth charge using the W 44 warhead and to also have space, weight and power provisions for a special weapon while operating from a destroyer or any ship with DASH capability.
The â?oDâ? model was an improved variant of the earlier and basic airframe of the QH-50C, but the D model had a more reliable and powerful Boeing T50-BO-12 turbine engine and avionics, and therefore, greater payload. The D model also lost the C models tail as it was found to be unnecessary for stability. Over 373 â?oCâ? model QH-50 aircraft were delivered to the U.S. Navy under contract NOw 60-0154c.
http://www.gyrodynehelicopters.com

The Allison 250-C18 powered QH-50E (see photo-left) was designed and fabricated under Naval Air Systems Command Contract No.N00019-69-C-0361. The QH-50E was built due to the cessation of the Boeing engine production line. Three aircraft were eventually delivered to NATC, Patuxent River, Md. for stability and control tests in 1969 under that contract. The QH-50E is currently the final variant of the QH-50 series and is the aircraft Gyrodyne seeks to use in demonstrating the increase in capability and reliability using state-of-the-art navigation and guidance systems currently available.
The only difference between the D and E model QH-50, consist of installing a new engine and engine attachment (see photo-above & left), and altering the direction of flight, which is the reverse of the Model QH-50D in that the engine is installed aft of the rotor mast and the avionics equipment, flotation equipment and fuel tank are forward of the mast. Pictures of the D model showing multi-mission capability, are used as that was the more widely used model for such development work by ARPA.
/www.gyrodynehelicopters.com

Chức Năng Của Nó

Ngư Lôi Mk-46



Được alphandt sửa chữa / chuyển vào 00:28 ngày 17/06/2009

Primary Function Air and ship-launched lightweight torpedo
Contractor Alliant Techsystems
Power Plant Two-speed, reciprocating external combustion;
Mono-propellant (Otto fuel II) fueled
Length 102.36 in. tube launch configuration (from ship)
Weight 517.65 lbs (warshot configuration)
Diameter 12.75 inches
Range Officially "8,000 yards"
Reportedly 11,400 - 12,000 yd. at 45 kt.
Weapon acquisition range 1600 yards
Min/Max ASROC launching ranges 1500 to 12000 yards
Depth Officially "Greater than 1,200 ft (365 meters)"
Reportedly 1,500 ft.
Search/attack depth settings Minimum 20 yards
Maximum 1500 yards
Speed Greater than 28 knots (32.2 mph, 51.52 kph)
Reportedly 45 kt
Actual 45 knots
Run characteristics 6-8 minutes
clockwise
Guidance System Homing mode - Active or passive/active acoustic homing
Launch/search mode - Snake or circle search
Warhead 98 lbs. of PBXN-103 high explosive (bulk charge)
Date Deployed 1966 (Mod 0); 1979 (Mod 5)
http://www.fas.org