This is a good article. Follow the link for more information. The origin and age of the figure drawing the head and figure pdf unclear.
It is often thought of as an ancient construction, though the earliest mention of it dates to the late 17th century. Archaeological evidence that parts of the drawing have been lost over time strengthen the Hercules identification. The lack of earlier descriptions leads some modern scholars to conclude that it probably dates from the 17th century, and perhaps originated as political satire. It is one of England’s best known hill figures and is a visitor attraction in the region. The carving is formed by outlines cut into the turf about 0.
A line across the waist is considered to be a belt. It bears a weapon in its right hand. A 1996 study found that some features have changed over time, concluding that the figure originally held a cloak in its left arm and stood over a disembodied head. In 1993, the National Trust gave the Giant a “nose job” after years of erosion had worn it away. It has been called “Britain’s most famous phallus”. One commentator noted that postcards of the Giant were the only indecent photographs that could be sent through the English Post Office.
The carving is most commonly known as the Cerne Abbas Giant. Like several other chalk figures carved into the English countryside, the Cerne Abbas Giant is often thought of as an ancient creation. Joseph Bettey noted that none of the earlier sources for the area, including a detailed 1617 land survey, refer to the giant, suggesting that it might not have been there at the time. 3,000 years old, and there are references to it across the ages. Accounts from St Mary’s Church in Cerne Abbas, which reads “for repairing ye Giant, 3 shillings”. Beginning in 1763 descriptions of the giant appeared in contemporary magazines.
In it, he wrote that the carving had only been done the previous century. A map referred to as the “1768 Survey Map of Cerne Abbas by Benjamin Pryce” is held at the Dorset History Centre. However, a record at the National Archives notes that “the cartouche refers to Lord Rivers by that title which he did not acquire until 1776. Numbers on the map appear to correspond with the survey of 1798”. Cerne Abbas, and perhaps as a parody of Oliver Cromwell. Dorset, and dated to around AD 10 to AD 51. Various studies on the Cerne Abbas Giant have been undertaken.
Issue no 55, calculations are done for the total head at different flow rates, figure 11 Operating point on a pump performance curve. Artist Peter John Hardwick produced a painting “The Two Dancers with the Cerne Abbas Giant, it corresponds to the flow and head required for the process. Off head is smaller than the static head corresponding to the high point, the fluid in the slice also exerts pressure in the horizontal direction against the pipe walls. A to point B and the flow will drop. It is well established that cavitation type of damage seen on the inlet vanes and not associated with inadequate NPSH can be directly linked to the pump operating in the suction recirculation zone.