Features Helical Gears:
I. Cum Meshing duo externa Gears, gyrationis occurs in oppositum, cum Meshing internum ger cum externa calces gyrationis occurs in eodem.
II. Circa numerum dentium ad invicem care debet meshing in unumquodque Meshing (internum) calces cum parva (externa) calces, cum tria genera intercessiones potest fieri.
III. Usually interna Gears aguntur per parva externa Gears
IV. Permittit pro pacto consilio machinae
Applications of Internus Gears:Planetarium calces coegi de excelsum reductionem rasios, clutches etc.