penetration speed

[‚pen·ə′trā·shən ‚spēd]

(mechanical engineering)

The speed at which a drill can cut through rock or other material.

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References in periodicals archive ?

One of them is the airplane's design maneuvering speed (VA), sometimes confused with the turbulent air penetration speed, which perhaps is better known as design speed for maximum gust intensity (VB).

VA, VB And Negative G: the speed you aim for in turbulence probably isn't adjusted for weight, making it too fast. That's not hard to fix

Transport-category aircraft have a turbulence penetration speed, [V.

Turbulence v-speeds: we were taught about maneuvering speed, VA, in basic ground school. Ever heard of VB? Well, there's a lot more to this maneuvering speed thing than we were taught

The meter offers a non-contact infrared depth and penetration speed sensor combined with simultaneous penetration resistance and temperature measurements.

SpotOn[R] consistometer

Features include lobed heads to reduce friction and maximize penetration speed, a heat treated alloy steel barrel for exceptional hardness and wear resistance, and a nitrated steel piston with built-in lubrication to minimize wear and resistance.

McLaughlin Mfg

Hole Hammers feature lobed heads to reduce friction and maximize penetration speed.

McLaughlin Manufacturing. (What's New In Trenchless Tools and Equipment)

Of course, we need to set power to what little is necessary to maintain at or below our targeted turbulence penetration speed, VA, Vo, or V-whatever-the-manufacturer-recommends, corrected for weight, in level flight.

Turbulence targets: the airplane probably can handle it, but only if you slow down, keep the wings level and accept altitude excursions

All McLaughlin piercing tools feature lobed heads to reduce friction and maximize penetration speed, a heat treated alloy steel barrel for exceptional hardness and wear resistance, and a nitrated steel piston with built-in lubrication to minimize wear and resistance.

McLaughlin Mfg

The flight data recorder retrieved from the crashed twin-engine, modern turboprop revealed that while flying in an area of thunderstorm-generated, airframe-shattering turbulence, its airspeed was 60 knots greater than the published turbulence penetration speed, or the speed for maximum gust intensity ([V.

Riding the storm out: entering turbulence means you need to slow down, but how much? Below the airplane's maneuvering speed to its turbulence penetration speed

Turbulent air penetration speed is one of the least commonly understood critical airspeeds for three reasons.

Five airspeeds you've got to nail: pitch and power equals performance, hut when you need them most, you won't have time to look them up

It's commonly used as a turbulence penetration speed, as well as a yardstick for all of those "proficiency" maneuvers we're urged to practice and which we need to demonstrate on the Commercial and Flight Instructor practical tests.

Taking it slow: your airplane's safest turbulence-penetration speed may not be the published maneuvering speed. Why you might be too fast, and what you can do about it

Hole Hammers feature lobed heads to reduce friction and maximize penetration speed, heat-treated alloy steel barrel for exceptional hardness and wear resistance, and a nitrated steel piston with built-in lubrication to minimize wear and resistance.

McLaughlin Manufacturing. (Equipment Spotlight: piercing tools)

McLaughlin's Hole Hammers feature conical heads to reduce friction and maximize penetration speed, heat-treated alloy steel barrel for exceptional