There are strong advantages and disadvantages for fixed wing aircraft and rotary wing aircraft and depending on what you need, each have their respectable purpose and utility. A fixed wing aircraft would be your basic airplane, utilizing wings, the airspeed generated from forward motion, and wing design and shape to create lift and thus flight. A rotary wing aircraft, such as a helicopter, uses rotary wings or rotor blades that revolve around the mast to create lift and flight. The projected distance from point A to point B, capacity needs of cargo and supply, weather conditions like strong winds, the environment in which take off takes place, how much time is allowed to reach said destination, and flight demands once in the air, all are determining factors in deciding which aircraft is better suited for a pilot’s mission at hand.
Before the Industrial Revolution, most manufacturing of items was done by a single craftsman. From start to finish, one person would work to create an item before moving onto the next, often leading to long wait times for production and the need for a great amount of skills for a craftsman. With the creation of the assembly line, and later machined assembly, the process of production could be broken up into various steps and work stations that allowed for multiple employees and machines to service parts of an item at a time. This allowed for the reduction of production time, as well as the division of manufacturing labor. In this article, we will give a short overview of assembly machinery and their part in modern manufacturing.
The inception of the diesel engine came in the late 1800s when German inventor Rudolf Diesel set out to create a more efficient alternative to gasoline and steam engines. The engine was conceived while Diesel was enrolled in engineering school and patented soon after in 1892.
Aircraft rigging is the process of adjusting movable flight controls on major aircraft surfaces like wings and stabilizers. Ailerons, elevators, and rudders are all examples of aircraft rigging gear. Besides the flight controls, rigging is also done to other areas of the aircraft to incorporate engine controls, flight deck controls, and components of retractable landing gear. Attachment of hardware using cotter pins, locknuts, or safety wire is also included in the rigging process.
The standard propulsion system seen on commercial aircraft is a twin turbofan gas turbine engine assembly. Airbus and Boeing utilize this dual engine system on most of their aircraft. The fuel-efficient assembly is widely used in high-speed transport and has helped propel the aerospace industry to what it is today (pun intended).
Diesel engines are internal combustion engines. The main difference compared to other internal combustion engines is how the fuel is ignited. Hot air from the compressor is transferred to the combustion chamber, but instead of requiring an ignitor, the air is hot enough that when the fuel is injected, it spontaneously combusts. Spontaneous combustion is the result of two things, the self-ignition temperature of diesel and the compression ratio of diesel engines.
Aircraft bearings require a special grease in order to operate properly and ensure longevity. Automotive grease can be used as a cheap alternative, but it is not recommended if you want all your parts to stay reliable and in pristine condition. After all, the needs of an automobile and the needs of an aircraft are entirely different. In terms of aircraft maintenance, there are three types of grease that are highly recommended: Mobil SHC100, Braycote 622, and ROYCO 22CF.
It’s always easy to mistake two similar things as the exact same thing. Jam and jelly, weather and climate, and pumps and compressors. While sometimes misunderstanding the difference is no big deal, other times it means that you just bought the wrong mechanical device for your project.
A polymer is a macromolecule composed of repeat units that are linked. The molecules are light, have a broad range of properties making them perfect to use for aircraft bearings. These bearings have extremely strict requirements for performance and quality. The bearings must withstand tough weather conditions, extreme cargo loads and extreme fluctuations in temperatures. In the aerospace industry, Ultracomp, CJ, Tristeel, and Rulon are the four most common polymers. Recently, polymers are replacing bronze and metals in the fuselage, steering, and wings. The use of polymers in aircraft creation allow for the aircraft to be significantly lighter, contributing to low maintenance costs and quick repair times. The polymer molecules have great temperature and vibration properties, making it a great material for aircraft.
The AVIC has been working continuous on the competition of their newest aircraft, the MA700 turboprop. AVIC has been able to begin their process in bringing their aircraft to life by starting their aircrafts flaps and cargo doors. AVIC is having both these essential parts made by their sub dairies to facilitate their work and take advantage of their resources.