... .in 1mm=0.039in 1g=0.035oz Aeromodelling DC motorRemote control plane DC motorDimension: dia. 20.4 x 15.4 ... Remote control plane motorWeight: Approx. 33g Basic Structure of Chengfang Motors 2-pole statorSr ferrite permanent magnet3, 5, 7, 8, ... connector / pinsEMI suppression componentsPTC or thermostate protectionBuilt-in AC/DC rectifierBuilt-in cooling fanMultiple output shaft diamond knurls, straight ...