| Well, that's debatable. For one thing, the inexpensive | | | | There are several different people who are |
| electric helicopters are very difficult to fly in the wind. | | | | considered to be the inventor of the helicopter. I could |
| Yes you can buy a pretty good one for around $200. | | | | write a book explaining it in detail, but I'll cover a couple |
| The CX is the easiest to learn to fly as compared to | | | | of the primary contributors to the development of |
| the CP and the equivalent, but all helicopters, fuel | | | | rotary wing aircraft. The ancient Chinese invented a |
| powered or electric, are difficult to teach yourself to | | | | toy for children that you can still see today. It consists |
| fly. Chances are good you will break many parts in the | | | | of a propeller and a shaft through the middle of it. If |
| learning process and most likely give up after spending | | | | you spin it quickly in your hands or with some other |
| too many hours fixing, practicing and/or tons of money | | | | force such as a rubber band you could make it lift up |
| in the learning process. Hate to discourage you, but this | | | | and hover briefly before coming back to the ground. |
| is the reality of RC helicopters. | | | | The first recorded depiction of a possible manned |
| People seem to think because the helicopters are | | | | helicopter is a diagram drawn by Leonardo da Vinci in |
| electric and cheap; it will make it easier to learn how to | | | | the 1400s. The knowledge of physics necessary to |
| fly. I've trained something on the order of 300 people | | | | successfully build a working model did not yet exist, but |
| to hover and fly helicopters over the years and I know | | | | he understood the concept of an "air screw" that if |
| for a fact that is the safest, easiest and cheapest | | | | turned fast enough would be able to drive the machine |
| way to learn. | | | | and a pilot into the air. |
| Fuel powered helicopters are difficult to learn to hover | | | | Over the course of the next few centuries many |
| and fly, small electric helicopters are even harder and | | | | other people toyed with the idea of a helicopter, but |
| the tiny ones are worse. You will need a large open | | | | again the amount of power necessary to drive such a |
| area to practice hovering and even then, chances are | | | | machine into the air was not possible to generate. The |
| you will break things. This is something you will | | | | invention of the internal combustion engine made the |
| unfortunately find out after you spent quite a bit of | | | | power requirement a reality. The next hurdle that |
| money on your helicopters and replacement parts. | | | | needed to be overcome was the concept of torque - |
| If you haven't already, tried installing a new and/or | | | | the phenomenon that causes the body of the |
| different type of glow plug. It is possibly there is a hole | | | | helicopter to spin in the opposite direction of the main |
| in your fuel line inside of your tank where the fuel line is | | | | rotor. |
| attached to the metal pick up. That would cause it to | | | | Paul Cornu invented a working piloted helicopter in |
| stall when the tank is half empty. The engine might be | | | | 1907, but it was not a successful design. It only |
| overheating due to the lean mixture caused by the | | | | generated enough lift for about 7 seconds. Another |
| possible split fuel line. There are so many electric | | | | Frenchman, Etienne Oehmichen built and flew a |
| helicopters out there and it depends on what you | | | | working helicopter for about 1 kilometer in 1924. |
| consider is too expensive. | | | | As early as 1910, Russian born Igor Sikorsky began |
| Save your $100 because buying those helicopters | | | | working on development of a manned helicopter. By |
| would be a total waste of money. As the saying goes, | | | | 1940, his working design had become the model for all |
| you only get what you pay for. The same goes for | | | | modern helicopters. It consisted of a main rotor and a |
| the cheapest electric ARF airplanes. You will need a | | | | tail rotor that is used to counteract the torque |
| proper trainer airplane, and any RC warplane is well | | | | generated by the main rotor. This design is still used in |
| beyond any beginner's abilities. | | | | a vast majority of helicopters today, which is why |
| Learning to fly RC airplanes is something that is | | | | Sikorsky is considered the father of the modern |
| possible to learn on your own, but definitely not | | | | helicopter. |
| recommended. If you ever get a chance to find a club | | | | There are many other men who contributed to the |
| or an experienced flier who will let you fly a proper | | | | development of rotary wing aviation - too many to list |
| trainer, then you will see what I'm talking about. I believe | | | | here, but a thorough search of the library and/or the |
| collective helicopters are easier to fly than fixed | | | | internet can give you tons of insight into the |
| pitched helicopters. You are correct about the CP. The | | | | development and design of all different types of |
| small electric helicopters are for the most part are | | | | helicopters. |
| harder to fly than fuel powered helicopters. | | | | |