Medium torque DC electric Motors with operating range 1.5 to 6.0V, ideal for educational and modelling applications,these dc electric motors work very well with our 4v80mah solar panels and can also be used with our range of small propellors and impellors to make model airplanes,boats,mini wind turbines etc, Rotation clockwise (shaft end view). Dimensions: L: 27mm x 24 dia. Shaft length 8.6 x 2.0mm dia. Weight 28g,tech specs : Nominal voltage: 3.0V,operating range: 1.5-4.5V,No load speed: 6600 RPM ±10%,No load current: 0.13A,Speed at max. efficiency: 5100 RPM,Current at max. efficiency: 0.4A,Output: 0.42W,Torque: 11.6g-cm,Stall torque: 55g-cm min.Stall current: 1.4A max.approx,price of these dc electric motors includes vat and uk delivery.