ANSI Device Numbers. From Wikipedia, the free encyclopedia. The ANSI Standard Device Numbers[1] [2] [3] denote what features a protective device supports (such as a. relay or circuit breaker). These types of devices protect electrical systems and components from damage when. an unwanted event occurs, such as an electrical fault.
The piston ring speed on the average chainsaw travels 2,500 surface feet per minute. A chain slides across the surface of the sawbar rail at around 5000 feet per minute. The chain is moving at 55 to 60 m.p.h. or a mile per minute (88 feet per second).
Stihl 041 AV is probably one of the best chainsaws ever made. It has displacement of 61 cm3, cylinder bore 44 mm, piston stroke 40 mm, 4,0 PS@7500 rpm (5,5 PS@7500 rpm reporte â¦ d when tested by DIN), 3,8 Nm@5000 rpm. It weights 7,5 kg with 33 cm bar and chain without liquids (that would be approx.