Helicopters is for special military use and airplanes are only for transportation.
Helicopters can land where airplanes cannot.
Well, there are some airplanes which can be outrun by helicopters, but, for the most part, airplanes are faster.
Airplanes, Helicopters, Kites, Birds
Helicopters are changing constantly like any machine. Every new helicopter has technical advances of some kind
the two advances were the aircraft and the tanks
Some inventions that were created based on his principle was airplanes, helicopters, and hotair ballons.
Helicopters can be equipped with either reciprocating (piston) engines or turbine (jet) engines. There is no reason to suspect that advances in electric batteries or hybrid engines will not permit electic motors from powering helicopters in the future as is already done with some small (model) helicopters now.
The company Diecast Airplane offers a wide variety of airplanes to its consumers. They offer World War I and II planes, helicopters, modern military vehicles, and many others.
They're powered either by a gas turbine engine (known as a turboshaft), or some helicopters (such as the Robinson helicopters) still use internal combustion engines.
• they are both used for military, commercial, postal and medical flights. • They are both a form of aviation. • They are both very expensive.
It depends how you define good, for sure there is a wide variety. There are cars airplanes and even helicopters. Hobby lobby or Michael carries quite a few.
The alliteration for helicopters could be higher helicopters or heavy helicopters