Specifications: Speed 5300 rpm, Voltage is 10 vdc" 10 watts, Voltage No Load 12 vdc; Max Current 2.4 amps, Dimensions 2⅜" wide x 3½" long x 2¼" high; Shaft diameter ⅛". This Dynamo comes as  a fully machined kit with a cast iron frame.. The frame has four mounting ears and two aluminium end caps to contain the magnet, armature and brushes. The kit can be painted to suit individual requirements.- Assembly required. Also available as an unmachined  kit.