Since helicopters need to be controllable even when they're hovering, they work differently. Pull the stick back, and the control surfaces move to produce more lift near the nose and less lift near the tail, pitching the nose up push it right, and port control surfaces move to produce more lift while starboard ones produce less, causing the plane to roll to the right. Planes are controlled by moving control surfaces - rudder, ailerons, elevators, and canards - which modify the lift produced by each lifting surface, applying forces to the plane and causing it to turn. On the other hand, kerbals have some amazingly powerful components to build with.Īnother obvious difference between a plane and a helicopter is how they're controlled. However, the big rotating propeller on top of the craft produces a whole set of complications, many of which are shared by kerbal helicopters and human ones others however are specific to one or the other because kerbal physics aren't quite like real-life physics, and stock kerbals lack certain highly useful bits and pieces used to make human choppers more manageable. With helicopters, the spinning rotor moves the lifting surface through the air, producing lift. They need to be moving forward to do this and stay in the air. This variant uses hydraulically sprung and damped landing skids instead of wheels, making precision landings easy.ish.Īirplanes fly by producing lift from airflow around wings. If it's necessary to make the distinction, they are known as compound helicopters. ![]() Helicopters can have other forms of propulsion as well: real-life choppers with jet engines bolted on exist and work well. And if the rotor is not used to produce lift but for some other purpose - thrust, for example - then it is not a helicopter either. If you feel you ought to be credited, please say so and I'll add you.Ī helicopter is an aircraft that flies by producing lift from one or more powered rotary wings, or rotors. If the rotor is not powered it is not a helicopter, it is an autogyro they are also very cool but out of scope of this tutorial. I also do not claim to being the inventor of any of the construction techniques or principles discussed here a quite a bit I have discovered on my own, and a quite a bit I have picked up around the forums. ![]() I have limited experience with both and it would expand the scope of the tutorial rather too much. This tutorial is a basic primer on stock helicopters made with parts from the Breaking Ground DLC. It does not discuss pre-Breaking Ground stock rotary motors, nor helicopters made with mod parts. Craft used to illustrate this tutorial: BAK-52NSġ.2 - Updated with a note on 1.7.3 built-in rotor and propeller bladesġ.1 - Updated with better rotors, thanks to a tip from - Original version
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