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DOWNLOADVarious online calculators for different projects.
This is a calculator which you allows to calculate the properties of international standard atmostphere such as pressure, density, temperature and speed of sound.
Airspeed and Nav Track Calculator
A web based tool to calculate groundspeed, track and drift based on a predicted wind and aircraft True Airspeed (TAS) similar to mechanical flight computers such as a CRP-5. The tool can also calculate Equivalent Airspeed (EAS), Calibrated Airspeed (CAS) and Mach number for a specific TAS.
Unit conversion tool to convert between imperial and metric units.
A calculator to work the basic characteristics and dimensions of a small electric aircraft:
The calculator will estimate an aircraft wing area based on what payload you want the aircraft to carry and at what speed.
The caluclator calculates drag, hence thrust and size of propeller you will need based on the wing area, aircraft speed you have choosen.
The calculator allows you calculate battery size based on how far you want the aircraft to fly or how long you want it to fly.
Calculator to calculate a boat hull bouyancy which will give hull volume to determine its maximum floating weight. Also boat hull bouyancy/capsize stability which determines how far a boat can roll on its side before it capsizes through it restoring moment calculation.
Calculator to calculate rotor performance for helicopter, propeller and wind turbine applications. This tool also comes as executable for download.
A tool that can be used to create rotor or wing CAD geometry using the open source FreeCAD software. The CAD geometry can be used for helicopter rotors, gas turbine rotors, propellers, wind turbine rotors or even boat rudders, centerboards/daggerboards, etc. This tool comes as an executable for download.
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