WTS MODEL 1927A TOMMY GUN
Aircraft
A second large category of aerodynamically lifted aircraft are the rotary-wing aircraft.
Here, the lift is provided by rotating rotors. The best-known examples of this category are the helicopter, the earlier autogyro, and the tiltrotor aircraft (such as the V-22
Osprey).
A further category might encompass the wing-in-ground-effect types,
for example the Russian ekranoplan, also nicknamed the "Caspian Sea Monster"
and hovercraft, most of the latter employing a skirt and achieving limited
ground or water clearance to reduce friction and achieve speeds above those achieved by boats of similar weight.
And finally, the flapping-wing ornithopter is a category of its own. These
designs may have considerable potential but are not yet practical.
Some types of aircraft, such as the balloon or glider, do not have any propulsion. Balloons drift with the wind. For gliders,
takeoff takes place from a high location, or the aircraft is pulled into the air by a ground-based winch or vehicle, or towed
aloft by a powered "tug" aircraft.
Most early aircraft used a piston-engine with propeller as propulsion. Although the configuration of the engine can vary
(rotary, radial, inline), they all work according to the same principles.
Just prior to World War II, the first jet engines emerged. Different
types exist, such as the ramjet, pulse
jet, turbojet, and the turboprop, the latter of which still uses a propeller.
Three major uses for aircraft may be seen: recreational, military, and commercial.
For recreation, almost any type of aircraft can be used, although they are usually small ones. Gliders and balloons are used
almost exclusively for recreational purposes although they have been used in times of war in the past. For instance, balloons
were used for observation in the American Civil War and
World War I. Gliders were used to deliver troops into occupied territory
during World War II.
Though used a handful of times for reconnaissance during the Italo-Turkish War, the first widespread use of military aircraft was in World War I, for reconnaissance
and surveillance. Soon they were adapted for attacking
the ground or enemy vehicles/ships/guns/aircraft as well, and the first bombers were
born. In order to prevent the enemy from bombing, fighter aircraft
were developed to intercept and shoot down enemy aircraft.
Eventually, two-seat trainers were developed for the purpose of instructing new
pilots. The use of transport aircraft enabled the rapid movement of supplies,
ammunition, cargo, troops and also casualty evacuation; transport aircraft were also used to drop paratroopers. Tankers are used to refuel planes in mid-air,
thus increasing their operational range.
Commercial aviation can be divided in passenger transport
and cargo transport. For the former, large planes have been
developed that can transport up to 500 passengers over large distances. Commercial cargo aircraft are often similar to military
transport aircraft, or might be adapted from the passenger fleets of an earlier era.
Other uses include search-and-rescue operations (especially by helicopters), border protection and water-bombing
(fire-fighting). Further divisions can be drawn between aircraft designs having a conventional (wheeled) undercarriage, and amphibious floatplanes or flying boats.
A separate article is about the movie Airplane!.
Aviation or Air transport refers to the activities surrounding mechanical flight and the aircraft industry. Aircraft, include fixed wing (airplane) and
rotary wing (helicopter) types, as well as lighter than air craft such as
balloons and airships (also known as
dirigibles.) Aviation can be broadly divided into three areas:
WTS MODEL 1927A TOMMY GUN
WTS - MODEL 1927A TOMMY GUN SEMI-AUTO IN 45 acp LIKE NEW IN CASE - GUITAR CASE ALL PAPER WORK ONE 30rd MAG AND A FIFTY ROUND DRUM. LOCATION SOUTH OF PLYMOUTH ALL LAWS TO APPLY trans thru FFL untill first of the year [rolleyes] ...
Read more at http://www.northeastshooters.com/vbulletin/showthread.php?t=27950
Ozymandias Airlines
Does one American in a thousand know that the Federal government is buying 23 VIP helicopters, each one of which will cost more than the extravagantly expensive F-22 fighter aircraft? A half-billion dollar helicopter-a half billion ...
Read the full post post at http://www.takimag.com/site/ozymandias_airlines/