A great little economy high speed electric motor used for powering the Dumas Chris-Craft line of models, It's also perfect for use in other projects and applications. Turn rating: 30 Turns. Can operate on 6v - 8.4v. Measures 2-3/4" L 1-7/16" Diameter. Weighs 5.6 oz. Draws 8 to 10 amps and is not recommended for use with props over 1.5" max or with adapt-a-drive gears. Includes mounting brackets and complete coupling for 1/8" shaft.