Although tracked vehicles are
interesting, they can NOT be driven on the street. To get one
somewhere you need a large 18 wheel truck trailer.
Close Air Support (CAS)
A-1 Skyraider
Started about the close of W.W. II and
was operational until about 1972. Single prop, triple 9 cylinder
pancake radial engines ( 27 cylinders).
Much larger in person that you would think from the photos. Also
used for
electronic warfare.
A-10 Wart Hog
Replaced the A-1 and not liked by most
of the Air Force since it's not a fighter or bomber, but loved by
pilots and ground forces. Based on a then controversial concept
of
using a 30 mm gatling gun to kill armored vehicles when tanks
themselves used 100 to 150 mm guns to kill other tanks. But the
rate of fire and multiple hits from overhead make the GAU-8 a tank
buster. It's also designed to survive a lot of damage.
Gunships
This is a concept that was proposed
during W.W. II to allow aircraft to attack a surfaced submarine.
At the time, and even today, most aircraft have their guns facing
forward. This is good for attacking other aircraft, but not so
good for attacking ground targets. When attacking a surfaced sub
the pilot had only one chance to cause damage, after circling around
for a second pass the sub was submerged and out of harms way. By
placing the guns in the left wing firing to the left the pilot can fly
what's called a pylon turn where the wing points to a fixed point on
the ground. This way fire can be maintained for as long as
there's ammunition. During the Vietnam conflict Gunships were
brought into the inventory and were based at first on the C-47 cargo
plane (needed to carry the large ammo load) and gatling guns pointing
out the left side windows.
The early Gunships used 7.62 mm gatling guns and were not designed for
attacking armor, like the A-10. I'm not aware of a Gunship with a
GAU-8, but it would be awesome.
Wild Weasel
I'm not sure if this is a CAS mission,
but the idea is to have a fighter equipped with a
Radar
Warning Receiver fly into an area where there are enemy Surface to
Air Missiles (or guns) that are RADAR controlled. The Wild Weasel
aircraft can then launch missiles to take out the enemy ground
equipment ot cause it to be turned off, thus protecting other aircraft
and providing air superiority.
There's a movie called "First in, Last Out" that's a documentary about
how the Radar Warning Receivers were developed at Applied Technology
Inc (ATI) then on a hill behind Stanford. One day when visiting
there I parked my red
427 Cobra in the
president's parking spot, but they did not tow it away.
Surface ships
PBR
In the
movie Apocalypse
Now the
Patrol Boat
Riverine (PBR) is featured throughout the film. I got the
opportunity to ride one during fleet week in San Francisco. Twin
engines drive a water pump rather than use props that would foul in
shallow water. The jet can be turned 360 degrees giving the boat
incredible handling. On the short "excursion" in S.F. bay I must
have hit some nerve of the boat captain and he started showing the
limits of the boat's performance, causing the fire extinguisher to pull
out of it's mounting, at which point he slowed down to a more normal
pace. The acceleration can be described as "high".
Subs
Subs are an interesting design
problem. One way to design a sub is to make it close to neutral
bouncy then use aircraft lift principles to "fly" it underwater.
The W.W. II vintage subs were about 200 feet long, yet their hull crush
depth was maybe 100 feet. So if an early sub got too nose or tail
down it may sink. Later subs were made using stronger metals and
have much deeper crush depths. But they have a problem because
many were designed to have negative buoyancy (they sink if not going
forward). So a propulsion failure can cause them to sink.
A rouge russian sub tried to launch nuclear missiles against Hawaii and
sank in the process. This was the start of the
Glomar Explorer project built by Howard
Hughes. The Hughes Mining Barge No. 1 (HMB-1) used to be in
Pete's harbor, Redwood City, CA for many years.
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