Many Christians celebrate Easter Sunday as the day of Jesus Christâs resurrection, which is written in the New Testament of the Christian bible. According to the Gospel of John in the New Testament, Mary Magdalene came to the tomb where Jesus was buried and found it empty.
Say you want to face off a 4-inch diameter part and want to achieve very high and consistent surface finish. So you run it fast, at 3,000 surface feet. You have a 6,000-rpm lathe and extraordinary faith in your chuck to hold on to the part.
Watt calculated that a horse could turn a mill wheel 144 revolutions an hour (2.4 each minute). The wheel was 12 feet in radius so the poor horse travelled 2.4 Ã 2Ï Ã 12 feet in one minute. Mechanical horsepower AKA imperial horsepower of exactly 550 foot-pounds per second is roughly equivalent to 745.7 watts.