Private Planes: Freedom, Security, and Responsibility

§ 25.365 Pressurized compartment loads.
Look it up yourself, FAR 25 under pressure, the formula
given is based on cabin cross section, with 20 sq. ft as a
maximum required. A sq. ft = 144 sq.in. a .45 caliber
bullet is 0.1592611875 sq.in or 18083 bullet holes for 20
sq. ft.

A 45 ACP bullet is 230 grains and a loaded cartridge weight
is about 400 grains. An ounce is 437.5 grains and
therefore, about 16 bullets to a pound. 18,000 ounces of
cartridges is 1130 pounds and a half ton is only 1,000
pounds. If you only consider the bullets, it would be a
little less than a half ton, but bullets without cases,
powder, etc are just lumps.


--
James H. Macklin
ATP,CFI,A&P




"Jack" wrote in message
. net...
| Jim Macklin wrote:
|
| FAR 25 requires that the pressurized aircraft be able to
| withstand explosions, engine disintegration and maintain
a
| livable cabin with a 20 sq. ft. hole. That size hole
would
| require about 1/2 a ton of bullets.
|
| Cite?
|
| A hole the size of a twin bed is pretty BIG!
|
|
| Jack