Break Horsepower, Thrust Horsepower – BHP vs THP?
May 27, 2024
Definition of Horse Power (Break Horsepower) – refer below BBC youtube footage 5:14 Read more – Be caution ! 有出入 For below video, you may hear something a bit different, but the author mentioed that the clip below are on US basis.
Aircraft Tyre : basic things you need to know!
May 24, 2024
How to change aircraft tyres? What type of gas are used for modern jetliners? Why aircraft’s tyres have no groove, but have straight profiles?
Landing gear – how modern jetliner landing gear work?
May 20, 2024
“Oleo Pneumatic Shock Absorber Strut” – it is used on modern jetliner landing gear (e.g B777, A350). Read More – Thx Captain Joe! Gravity Extension of landing gear Why is the landing gear tilted? What’s Nose wheel steering?
How the landing gear locked at down position?
May 20, 2024
Ans: Over center mechanism – a.k.a overcentre geometric lock
What’s landing gear bogie?
March 24, 2024
Reference: FAA Aviation Maintenance Technician Handbook-Airframe Volume 2 Chapter 13, https://en.wikipedia.org/wiki/Undercarriage_arrangements Multiple wheels spread the weight of the aircraft over a larger area. They also provide a safety margin should one tire fail. Heavy aircraft may use four or more wheel assemblies on each main gear. When more than two wheels are attached to a
Service ceiling v.s Absolute altitude
March 24, 2024
Service ceiling 指飛機無再多MAP for climb; Critical altitude 指turbocharged engine 發揮最大壓縮空氣能力既高度 As a normally aspirated aircraft climbs, it eventually reaches an altitude where the MAP is insufficient for a normal climb. This altitude limit is known as the aircraft’s service ceiling Critical altitude is the maximum altitude at which a turbocharged engine can produce its rated
What’s Wing Camber, What’s Chord line?
March 23, 2024
What’s Wing Camber? Ans: curvature of the aerofoil (wing) maximum distance between the mean camber line and the chord line Mean camber line : imaginary line equidistance between the upper and lower surface of the wing, joining from the leading edge to trailing edge. What’s Chord line? Ans: imaginary line joining from the
