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26 cze 2014 · Below is shown an overview of the preliminary size method for propeller driven aeroplanes. 1) Landing distance. The landing distance is calculated taking in to account the the equation lift = maximum landing weigh and it provides a maximum value for the wing loading :
Landing performance starts with the descent. Landing distance depends on several factors, most of which are based on engineering data and can be determined by referencing performance charts. There are of course, variables that must be considered, such as: Flight profile flown. Temperature.
Muzzle velocity is the speed of a projectile (bullet, pellet, slug, ball/shots or shell) with respect to the muzzle at the moment it leaves the end of a gun's barrel (i.e. the muzzle).
15 lut 2021 · You can estimate bullet stability during the flight path with the stability estimator function in Lapua Ballistics. In this article, we will explain bullet stability to a high detail and how to use Lapua Ballistics as a tool to understand it.
3 mar 2003 · Once the bullet is launched, its trajectory is determined by its velocity, shape and weight. Which brings us to those imposing terms, sectional density and ballistic coefficient. Sectional density is the weight of a bullet in pounds, to the square of its diameter in inches.
1 cze 2020 · Engine power and gross weight reveal surprisingly little about how much runway an airplane needs for takeoff and landing—or the speeds at which it climbs, cruises, approaches, and stalls. If you want to know those things, pay close attention to an airplane’s “wing loading” and “power loading.”
24 mar 2024 · Calculating landing speed. The landing speed for a transport category aircraft is called Vref (landing reference speed). This speed is calculated by multiplying the stall reference speed of the aircraft in landing configuration (Vsr0) by a factor of 1.3 (1.3 x Vsr0). For aircraft with a fly-by-wire protection system, this factor is reduced to 1.23.
