| An electric or battery operated helicopter is just one | | | | remarkable results is the lithium chemistries. For the |
| of the most common types of RC helicopters | | | | most part of various helicopter functions, it is still not |
| available in the market. At one time, it has been used | | | | recommended. NiCad's are still preferred due to its |
| mostly indoors. But bigger electric helicopters | | | | reliability and cost efficiency. It charges faster and |
| appropriate for outdoor activities and complex | | | | provides higher currents with no difficulty. |
| aerobics have started gaining status. Electric helicopter | | | | A lot of helicopter enthusiasts have recommended |
| are noted for its silence making it a popular choice | | | | electric R/C models for beginners. It is easier to fly and |
| especially for those who are near residential areas | | | | you do not have to worry that much on some |
| and places where noise is strictly controlled like | | | | technical issues. Regardless of your interests and level |
| Germany. | | | | expertise on R/C helicopters, you will find no few |
| Majority of electric helicopter throttles feature an | | | | reasons at all not to like electric types. |
| integrated governor mode. You can opt to direct the | | | | Trivia: The world's smallest remote-controlled |
| throttle without using the standard throttle control of | | | | production model electric helicopter is the Picoo Z |
| the radio. Electric helicopters are very steady in a | | | | according to the Guinness World Records 2006. It |
| hover mode due to the stable electric power output. It | | | | costs $30 and sold in various toy stores, electronic |
| does not involve a clutch. | | | | shops, and online stores. Mosquito follows on the list |
| The usual electric helicopter includes 4 servos. Each of | | | | which is a counter-rotating blade battery-operated R/C |
| these servos can use fairly amount of current. The | | | | helicopter. |
| Battery Eliminator Circuit (BEC) must have adequate | | | | The world's smallest non-production R/C electric |
| capacity to provide enough current for all servos | | | | helicopter is the Micro Flying Robot developed by |
| working at the same time. The BEC is usually built | | | | Seiko Epson in November 2003 for the International |
| within the speed controls to prevent weight of receiver | | | | Robot Exhibition in Tokyo. Its stands at 2.8 inches (70 |
| batteries. Larger electric helicopters have started using | | | | millimeters) and weighs 0.31 ounces (8.9 grams). It |
| separate, high voltage "Ultimate BEC". | | | | includes 2 microprocessors, a gyro-sensor, Bluetooth |
| New materials for motor batteries have also been | | | | module, image sensor and an accelerometer. |
| discovered. One of the most recent that has proven | | | | |