XLPower Nimbus 550 Nitro Helicopter Kit (No Blades) : XL55NK01
- Nimbus 550 Nitro comes suited for the most common full size servo configuration, with option parts if you prefer to use mini servos, a pre-painted highly visible canopy, and bolt together easy building for getting you from the box to the air in no time.
- This airframe is built for flyers who want to fly as much as possible with the least amount of maintenance.
- It features a proven tapered clutch system adopted from the Nitro 700, making it the smoothest and easiest-to-align clutch stack available on the market.
- With a 7.7 gear ratio, it is perfectly matched to achieve a good rotor RPM while providing enough torque for demanding manoeuvres with 550-580mm blades. Optional parts are available to stretch it to a 650-size with an 8.5 gear ratio. Engine maintenance is made easy with the ability to remove the engine from the bottom without disturbing other assemblies, taking only a few minutes.
- The main gear directly drives the head and has been designed to efficiently transmit rotor torque, producing peak power through extreme rigidity.
- The core of the airframe consists of a single-piece 7075 aluminum bearing block assembly and servo mount, which provides rigidity to the frame and drivetrain.
- The cyclic servos are arranged in a 120-degree layout for optimal control geometry.
- The main gear hub utilizes two one-way bearings, ensuring reliability even under extreme power combinations. Additionally, the large diameter tail boom eliminates the need for boom supports.
