Unlimited NSN Blog

From detecting subtle vibrations to collecting complex data that maps ocean currents, the study of our planet relies on the precise measurements gathered by specialized tools. These tools, collectively known as geophysical instruments, form a distinct Federal Supply Class (FSC): FSC 6655. In this blog, we will provide a clear understanding of why these vital tools are categorized separately before delving into each of their unique characteristics and applications.

Heat exchanger tubes are essential components in many industrial processes, playing a crucial role in thermal management and energy efficiency. These tubes are designed to transfer heat between different fluids, either cooling or heating them depending on the requirements of the system. In this blog, we will provide valuable insights into their importance in various applications by exploring the design, function, and benefits of heat exchanger tubes.

In the world of aviation design, construction, and maintenance, precision and reliability are paramount. For many aircraft models, one critical component that plays a pivotal role in ensuring a smooth and safe flight is the engine mount. Engine mounts are structural elements that secure the aircraft's engine to its frame, absorbing vibrations and shocks while maintaining proper alignment. These vital mechanisms undergo rigorous stresses during flight, making the quality of their welds a matter of utmost importance.

Aircraft wings are not only required to generate lift for flight, but are also designed to have more aerodynamic efficiency than any other part of the aircraft. Additionally, they must also house the fuel tanks, engine nacelles, and several other aircraft components, depending on the aircraft type. To guarantee that an airplane can generate ample lift, great care must be taken to ensure that the wing has a smooth, lightweight structure.

Aircraft have advanced in many ways through the years, seeing various leaps in technology, performance, capability, and more. One of the biggest changes that has happened to aircraft was the introduction of the glass cockpit, that of which replaced the conventional round dials and gauges originally relied on by pilots. While there are major benefits to the glass cockpit, it can often be an expensive investment to upgrade if you still have a conventional set-up. As such, one may wonder what the differences between each are, and the various pros and cons of the upgrade decision. In this blog, we will discuss these details further to help you better make a decision.

When first learning how to pilot an aircraft, one will have to familiarize them self with the various cockpit instruments that they will rely on during flight to maintain safety and efficiency. There are many instruments that are provided, each offering readings on different aspects of operation. The measurements provided by the airspeed indicator, altimeter, and vertical speed indicator will all regularly be used by the pilot to effectively manage a flight path. It is paramount that one understands the differences between each instrument as they perform separate tasks. In this blog, we will discuss the differences between the airspeed indicator, altimeter, and vertical speed indicator, allowing you to have a better grasp on the importance of each.

All aircraft necessitate routine maintenance and regular checks to ensure that they are working optimally. During these checks, parts are examined for flaws, aircraft surfaces are assessed for wear, and components may even be replaced or repaired. However, not all parts can be reused and instead must be replaced. For instance, the brake lining and disc brakes must be replaced as they can deteriorate over time. 

When aircraft land, they must dump fuel before reaching the ground. While someone unfamiliar with this process may think this is wasteful, it is actually very efficient. Dumping fuel is a means of lowering the weight of the plane so that it endures less stress as it lands. 

A shaft collar is a simplistic component that may be found in various types of power transmission assemblies and other applications. While coming in a number of variations, most shaft collars consist of a metal or plastic ring that has one or more screws. The screws on the shaft collar are capable of moving in and out of the side of the shaft when tightened and loosened, and they are used to secure the machine component around a shaft. When a shaft collar is tightened onto an assembly, they can operate as a mechanical stop that either holds parts in place or acts as a load bearing face. Due to their ease of installation and capabilities, shaft collars can be found in numerous assemblies and settings.

Inertia in Physics
The Laws of Physics play a significant role in Aerodynamics. Due to improper calculations or a lack of calculations as a whole, subtle or even catastrophic problems can occur during flight. One such problem is what we call inertia coupling. Inertia coupling can also be referred to as inertial roll coupling. To understand this phenomenon, we must first define inertia itself. Inertia is a property of physics in which any object will tend to stay in its current state of stability or stable motion. The object itself can be completely still or moving in a straight line, but the idea is that it will resist any type of motion beyond its current state unless an external force is involved and causes change. Inertia coupling is a phenomenon that can occur during high speed flight. Before methods were understood to counter the dangerous effects of inertial roll coupling, some aircraft and their pilots were lost. When the inertia of the fuselage, which is the main part of an aircraft where passengers and cargo are situated, exceeds the abilities of aerodynamic forces produced by various parts of the plane to keep the aircraft under control, the aircraft becomes unstable.