| -- End Ad Box ---> | | | | shake, but it can be easily fixed by running a different |
| After all the time and effort you have put toward your | | | | head speed or adjusting the length of the training |
| RC heli, it can be upsetting to see that something is not | | | | gear and how it is fastened to the struts. Also be |
| working right, especially if your heli is still in the air. At | | | | sure to grease any bearings that need grease, |
| this point, the most important thing to do is to get the | | | | especially in the tail gear. |
| heli back to the ground safely, so you can make a | | | | Next, look for any loose connections inside the |
| close inspection of its parts. Do not panic, as this can | | | | receiver. Then, turn on the radio and receiver. Check |
| affect your ability to get the helicopter to land slowly | | | | its battery life first, and then listen for any odd noises |
| and safely. | | | | that could be from interfering radio or television |
| With your RC heli safely landed, start the engine and | | | | stations. Sometimes, if you are flying in an area close |
| listen for any strange rattles or sputtering noises. The | | | | to other RCs or electronic equipment, those can also |
| tail jerking when flying can be indicative that the drive | | | | interfere with the signal.Be sure the antenna or any |
| shaft or belts could be loose or skipping. Sputtering | | | | other metal pieces are not touching any metal. When |
| noises are often a sign that the fuel levels are low,or it | | | | using the heli, the best signal will come from pointing the |
| could be air in the fuel intake. Vibrations are often | | | | antenna at a 45 degree angle instead of directly at the |
| caused by bent, mismatched or imbalanced parts. Bring | | | | copter. |
| a set of small screwdrivers with you when you go | | | | Most importantly, resist the urge to fly the helicopter |
| flying so you will have the tools for quick tune-ups as | | | | after you’ve noticed a problem. Although repairs |
| needed. | | | | will cost you in time you could have spent enjoying |
| Begin by inspecting the helicopter from tail rotor to | | | | your heli, it is nothing compared to costs of a crash or |
| canopy, ensuring that all parts are securely and | | | | having to totally replace your heli. If you are unable to |
| properly attached. Check all belts, the gyro mount and | | | | find the problem, visit a local hobby store. They may |
| balancing of blades and fans. If you are using training | | | | be able to help you pinpoint the source of the |
| gear, this can turn a mild vibration into a violent | | | | malfunction. |