RBI HYDRAULIC BREAKER USER MANUAL. 2. How the Tool Breaks Rock. The following paragraphs describe what happens to break rock when the piston strikes the tool. (A)Contact-Initial Compression Stress Wave. When the piston (1) strikes the top of the tool (2), it sends a compressive stress wave (3) down to the.
And Counter means counter, exactly as in English. Poise means weight. So the word literally means counterweight and that is what a counterpoise is in an antenna system, where it was originally used. Simply put, a ground plane that the antenna system could mirror itself in.
Balun is a contraction of two words, Balanced and Unbalanced, and it refers to the type of antenna to the type of feed-line. An example of a balanced antenna is the full-wave loop and the dipole, the bowtie antenna.An example of an unbalanced antenna is the long wire antenna, or even a non-center fed dipole antenna.alun is a contraction of two words, Balanced and Unbalanced, and it refers to the type of antenna to the type of feed-line. An example of a balanced antenna is the full-wave loop and the dipole, the bowtie antenna. An example of an unbalanced antenna is the long wire antenna, or even a non-center fed dipole antenna.