Magazine Article

Rapid and Quiet Drill

TBMG-2293

10/01/2007

Abstract
Content

The figure depicts selected aspects of the rapid and quiet drill (RAQD), which is a prototype apparatus for drilling concrete or bricks. The design and basic principle of operation of the RAQD overlap, in several respects, with those of ultrasonic/sonic drilling and coring apparatuses described in a number of previous NASA Tech Briefs articles. The main difference is that whereas the actuation scheme of the prior apparatuses is partly ultrasonic and partly sonic, the actuation scheme of the RAQD is purely ultrasonic. Hence, even though the RAQD generates considerable sound, it is characterized as quiet because most or all of the sound is above the frequency range of human hearing.

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Citation
"Rapid and Quiet Drill," Mobility Engineering, October 1, 2007.
Additional Details
Publisher
Published
Oct 1, 2007
Product Code
TBMG-2293
Content Type
Magazine Article
Language
English