from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A transient air pressure, such as the shock wave from an explosion, that is greater than the surrounding atmospheric pressure.
- transitive v. To cause or subject to overpressure.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. excess or markedly elevated pressure, especially a transient high pressure due to a shock wave
- v. To subject to a high pressure
from the GNU version of the Collaborative International Dictionary of English
- n. Excessive pressure or urging.
from The Century Dictionary and Cyclopedia
- n. Excessive pressure.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a transient air pressure greater than the surrounding atmospheric pressure
Sorry, no etymologies found.
In addition to heavy air filters, the M-1A1s are equipped with "overpressure" -- positive air pressure inside the tanks that would keep contaminated air out in the event they are holed during a CW bombardment.
"overpressure" effect caused by using grenades indoors or at close range.
A liquid fueled booster whose thrust you cut by engine shutdown during ascent abort, or whose structural failure and fireball on the pad takes a second to happen, is a lot easier than a solid booster which can just out and out mechanically explode from overpressure on the pad and which won't stop thrust on ascent, therefore requiring more energy to get away from.
Most of the time the most accurate load is NOT the max load, go by the book, all guns are not always equal with the same load, Ive had overpressure loads with below max powder charges.
Therefore even if the capsule can be built to survive the overpressure of the shock front it still is unclear whether it could survive the 2nd stage debris field.
The blast overpressure and fragments are going to get them.
Imagine the deafening report of a mortar as it strikes the ground a 150 feet in front of you, the overpressure enough to shatter your teeth and perforate an ear drum.
After reducing several times and still seeing overpressure signs, I found the Federal GM215M primer to be the culprit.
However, I recently had some loads exhibit signs of overpressure following the manual AND below max loads listed and using the primer listed.
If CO2 is injected with too high an overpressure it might fracture previously intact cap rock.