Rigid Rotor System
The rigid rotor system shown in Figure 4-3 is mechanically simple, but structurally complex because operating loads must be absorbed in bending rather than through hinges. In this system, the…
Semirigid Rotor System
A semirigid rotor system is usually composed of two blades that are rigidly mounted to the main rotor hub. The main rotor hub is free to tilt with respect to…
Main Rotor System
The rotor system is the rotating part of a helicopter which generates lift. The rotor consists of a mast, hub, and rotor blades. The mast is a hollow cylindrical metal…
Helicopter Components, Sections, and Systems
Airframe The airframe, or fundamental structure, of a helicopter can be made of either metal, wood, or composite materials, or some combination of the two. Typically, a composite component consists…
Files
Files of different types are the principal hand tools used by a fitter. All the files, irrespective of their shape, size and grade essentially consist of two main parts, viz.,…
Chisels
There is a fairly good variety of chisels used for chipping work by a fitter. Some very commonly used forms are Flat, Cross-cut or cape, Round nose and Diamond point…
Cutting Tools
The various cutting tools in the various shops in workshop practices are discussed below :- Hack Saw The hacksaw is the chief tool used by the fitter for cutting rods,…
Angle Plates & Try Square
Angle Plates Are precision tools made of cast iron, tool steel, or granite (Fig. 2.13). They are widely used as fixture for holding work to be laid out, machined, or…
Hidden Ways To Save Money That You Might Be Missing
Sometimes the hardest thing about saving money is just getting started. This step-by-step guide for how to save money can help you develop a simple and realistic strategy
National Day Rally 2023: Sacrifice, Effort Needed to Preserve Harmony
Politics is the art of looking for trouble, finding it everywhere, diagnosing it incorrectly and applying the wrong remedies


