PT Journal AU Brumercik, F Tomasikova, M Nieoczym, A TI Epicyclic Gear Train Synthesis SO Communications - Scientific Letters of the University of Zilina PY 2015 BP 47 EP 50 VL 17 IS 3 DI 10.26552/com.C.2015.3.47-50 WP https://komunikacie.uniza.sk/artkey/csl-201503-0007.php DE epicyclic gear train; synthesis; Willis formula SN 13354205 AB The synthesis of an epicyclic gear train is a difficult task that can be solved by different methods with significantly various computational time demands. This article describes effective approach to the two-linked epicyclic gear train synthesis. The method described in this article is based on the fundamental gear ratio calculation for each possible combination of gearbox external elements connected to the internal planetary structure. ER