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.
Counterpoise definitions can be found in dictionaries. Here is the definition of counterpoise appearing in the Communications Standard Dictionary: A counterpoise is a c onductor or system of conductors used an earth or ground substitute in antenna systems. When we look at how the word has been commonly used, we see general use and dictionary definition agrees.