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developed as one of a series of handbooks for preparing for mechanic certification with airframe or powerplant ratings, or both. provide basic information on principles, fundamentals, and technical procedures common to both the airframe and powerplant ratings. Emphasis on theory and methods of application.

Steam aircraft are aircraft that are propelled by steam engines. They were unusual devices because of the difficulty in producing a powerplant with a high enough power to weight ratio to be practical.

"Click an engine to see how it works. Four stroke Four stroke Diesel Diesel Two stroke Two stroke Wankel Wankel Atkinson Atkinson Gnome Rotary"

"The solar cells that power solar aircraft are called photovoltaic (PV) cells. PV cells are made of materials that absorb light energy. The PV cells in most solar planes are made of silicon. Silicon is both lightweight and efficient, so it is the best choice for solar planes where the challenge is to create an aircraft light enough to fly but with enough power to get off the ground."

"Radial engine double star with 10 cylinders and 10 longitudinal camshafts drafts to 36º.It´s made with artisanal methods.It has variable pitch propeller,works with compressed air and with only 0,2 kg/cm2.The diameter of the cylinders is 18 mm and the stroke of the pistons is 16 mm.The displacement is 40,7 cm3.Probably it´s the smallest double star engine of the world.It´s built by José Manuel Hermo Barreiro "Patelo" and dedicates to his sons.Pieces=398,Screws=289,Hours of work=1810."

"Humans have wanted to fly for thousands of years. Modern jet engines allow us to fly more efficiently, at greater speeds than ever before. In this Naked Science Scrapbook, we'll find out how engineers stop the engines from melting at such high temperatures, and why you couldn't run a plane on coal"

Engine operation - test your knowledge

Engine in the Chevak Build A Plane project RANS

Hugues Duval in a Cri Cri aircraft powered by two 35 hp Electravia electric motors - Aerospace giant EADS building the little 4-motor electric Cri Cri and then right on their heels was this one pictured here that uses two 35 hp electric motors from Electravia. Both actually had their first flights back in September.

Honda Aircraft video of the the Dec. 20 first flight of the first FAA-conforming HondaJet light business jet, from Piedmont Triad Airport near Greensboro, North Carolina.

Bye Energy, Inc., which is developing an electric Cessna 172, has signed an agreement with Panacis, a designer and manufacturer of advanced mobile power products. The companies are collaborating on the development, integration and manufacturing of battery storage systems for Bye Energy's electric and electric-hybrid propulsion system for general aviation aircraft.

7-8 July, 2010 The Solar Impulse I HB-SIA makes a circumnavigation of the planet, the first by a solar powered aircraft. The flight also set records for length of flight and altitude for solar powered aircraft.

People always dream of flying like Superman. Yves Rossy comes pretty close. He straps a small pair of wings to his back. And on those wings are four jet engines. This crazy setup actually works really well. Here you can see him fly in formation with a team of wing walkers. It lasts an exhilarating three minutes.

"The PT6 engine offers unrivalled versatility, durability and reliability, and it's no wonder. The engine was first developed more than 50 years ago, and since then Pratt & Whitney Canada has created more than 130 applications for business, commuter, utility and trainer aircraft and helicopters. In its long and illustrious history, the PT6 engine has logged more than 350 million hours of flight."