Monthly Archives: November 2016


Propellers & trimming 439

A propeller gives propulsive force from rotary motion of an engineĀ  either directly or by gear reduction as shown in my jet engine article. Propellers are not only used in small aircraft they are also used in turboprops. FORCES ACTING ON A PROPELLER Centrifugal force – it is the force […]


Factors determining pavement design 237

There are many factors that determine pavement design. this includes the following :- Axle configuration – in car design providing more axles enables it to carry more load, this more load needsĀ  to be pre-determined in design. this ranges from single unit trucks, convectional combination vehicles & longer combination vehicles. […]