1147 Propeller

It seems there might be a misunderstanding or typo regarding “1147 Propeller.” Typically, propellers are designated by their diameter and pitch specifications, such as “11×47” (where 11 inches is the diameter and 47 is the pitch in inches). Here?s a brief overview based on common propeller specifications:

### 11×47 Propeller Overview

1. **Size**: Features an 11-inch diameter and a 4.7-inch pitch, suitable for various propulsion applications.

2. **Material**: Often made from lightweight and durable materials like plastic or carbon fiber.

3. **Usage**: Used in model airplanes, drones, and other unmanned aerial vehicles (UAVs) for efficient thrust generation.

### Applications:

– **Aircraft**: Provides lift and propulsion in model aircraft and UAVs.

– **Marine**: Used in boats and watercraft for propulsion.

– **Efficiency**: Designed for optimal performance and efficiency based on its diameter and pitch specifications.