| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an unmanned helicopter capable of suppressing a fuel pump from sucking in air regardless of a flight state.SOLUTION: The unmanned helicopter includes a fuel tank 48 for holding fuel to be supplied to driving source. The fuel tank 48 includes a main body portion 56 and a fuel holding portion 60. The fuel holding portion 60 protrudes from the main body portion 56 in a left obliquely downward direction. The fuel holding portion 60 is formed in a cylindrical shape, and a peripheral wall portion 62 of the fuel holding portion 60 is formed to expand from the main body portion 56 toward a bottom portion 64. The fuel holding portion 60 is provided at an opposite side of a tail rotor when viewed from a drive shaft. In an opening portion of the fuel holding portion 60 is provided a lid member 66 and in the lid member 66 is provided a fuel pump 52. The fuel pump 52 includes a fuel suction port provided in the fuel holding portion 60 to face the inside thereof and a pump main body provided in the fuel tank 48.</p> |
