difference between electrical degree & mechanical degree
θed = (p/2)θmd
where:
θed = elec degrees
θmd = mech degrees
p = number of poles in the machine
Charles Babbage was an English mathematician, philosopher, and inventor known as the "father of the computer." In the early 19th century, he conceptualized the idea of a mechanical computer called the Analytical Engine which had the capabilities of performing complex calculations. Although the Analytical Engine was never built during Babbage's lifetime, his designs and ideas laid the foundation for modern computers. He is also credited with inventing the first mechanical computer, the Difference Engine, which was used to calculate mathematical tables.
The Difference engine is a engine that Charles tried to build 1850-1859, it was to be used to calculate logarithmic tables.
with a ruler
He invented a programable general purpose mechanical digital computer that he called the Analytical Engine in the late 1840s. However he could never get funding for it from parliament and was still arguing with his machinist over unpaid bills and specifications on his earlier never finished Difference Engine machine.
Charles Babbage is known as the father of computing.In 1822, while at the Cambridge University in UK, Charles Babbage was critical of the navigation tables of the day. Most accidents at sea, he felt, could be avoided if estimations and guesswork could be taken out of the game. In other words, Babbage wanted "accurate tables" which led him to develop the machine known as the Difference Engine, which was powered by steam to produce highly reliable charts and tables.Babbage approached the British government with his idea of the engine. He wanted government funding for his project, which he soon got. Most people believe that this was perhaps the first request for a computer science research.However, Babbage soon saw the limitations of his Difference Engine, such that he decided to embark on a more ambitious project to develop a sophisticated machine for use in different scenarios. This he called the Analytical Engine. He left the project of the difference engine to itself. In 1842, seeing no results from the project, the British government decided to stop funding Babbage's engine. He was not disheartened though: he continued work on the Analytical Engine, but in 1847, he abandoned it and went back to work with the Difference Engine again! Well, at this rate, he never completed his projects during his lifetime. He did not document his work well, either.Charles Babbage, FRS (December 26, 1791 London, England - October 18, 1871 Marylebone, London, England) was an English mathematician, philosopher, inventor and mechanical engineer who originated the concept of a programmable computer. Parts of his uncompleted mechanisms are on display in the London Science Museum.In 1991, a perfectly functioning difference engine was constructed from Babbage's original plans. Built to tolerances achievable in the 19th century, the success of the finished engine indicated that Babbage's machine would have worked. Nine years later, the Science Museum completed the printer Babbage had designed for the difference engine, an astonishingly complex device for the 19th century.Do you mean Charles Babbage?Charles Babbage (1791-1871) was an English mathematician, mechancal engineer and inventor. He is famous for designing the "difference engine" which was a machine which would calculate mathematical tables accurately. Babbage's design was in effect a programmable mechanical computer and is the forerunner of modern electronic computers.
the difference between the real mechanical advantage and the speed ratio is -the real mechanical advantage gets affected by friction so the real mechanical advantage gets smaller than the mechanical advantage you calculate. so the real mechanical advantage gets smaller than the speed ratio (because of the friction) and that's why the efficiency never gets 100% efficient (efficiency ; mechanical advantage/ speed ratio x 100(%))
Mechanical advantage=load/effort
work
gyc
You could have an electric motor driving a reduction gearbox, for example. The efficiencies of both might be considered individually, or as a whole. As a whole is easier. (Work out/ work in) x 100 = efficiency%. Or, (power out/ power in) x 100 = efficiency%. Or, (force out/ force in) x100 = efficiency%. It depends on what you have to work with, what you use. If you did need to calculate electrical and mechanical efficiencies separately because of different units, the final overall efficiency will be (total of the percentages) / (number of percentages).
by adding potential energy and kinetic energy, you get mechanical energy.
vernier caliper
RPM is the abbreviation for revolutions per minute and is a measurement of the revolutions of the engine crankshaft. Literally, if your "RPMs stop working" your motor isn't running. However, you are probably referring to the tachometer, the meter that displays the number of rpm's your engine turns, that has stopped working. There are two basic types of tachometers: electrical and mechanical. Electrical tachometers calculate the engine speed by counting electrical pulses while the mechanical tachometers have a mechanical cable attaching to the engine, generally the ignition distributor or camshaft. So, if your tachometer is not working you have either have an electrical problem, a broken cable or the meter itself has become defective.
Electricity does not occur in natural state. It has to be generated by converting one form of energy into electric energy. The electric energy of any machine can be calculated by subtracting the all losses occurring in a machine (electrical, mechanical and magnetic) from total input power or energy.
because it has no brain
lin over lout
use calculator