Various stern recorder information

siphon si·phon (sī'fən)
A tube bent into an inverted U shape of unequal lengths, used to remove fluid by means of atmospheric pressure from a cavity or reservoir at one end of the tube over a barrier and out the other end. v. si·phoned , si·phon·ing , si·phons

Although Lawrence Mott in his comprehensive treatment of the history of the rudder, [4] Timothy Runyan, [5] the Encyclopædia Britannica , [1] and The Concise Oxford Dictionary of English Etymology [6] classify a steering oar as a rudder, [4] Joseph Needham , Lefèbre des Noëttes , . Tom, Chung Chee Kit, . Adshead, John K. Fairbank, Merle Goldman, Frank Ross, and Leo Block state that the steering oar used in ancient Egypt and Rome was not a true rudder and define stern-mounted rudder used in China as the true rudder; [7] [8] [9] the steering oar has the capacity to interfere with handling of the sails (limiting any potential for long ocean-going voyages) while it was fit more for small vessels on narrow, rapid-water transport; the rudder did not disturb the handling of the sails, took less energy to operate by its helmsman , was better fit for larger vessels on ocean-going travel, and first appeared in ancient China during the 1st century AD. [7] [9] [10] [11] [12] [13] [14] In regards to the ancient Phoenician (1550–300 BC) use of the steering oar without a rudder in the Mediterranean , Leo Block (2003) writes:

Various Stern Recorder InformationVarious Stern Recorder InformationVarious Stern Recorder InformationVarious Stern Recorder Information