, ▁all ▁on ▁the ▁same ▁car rier . ▁ ▁All ▁three ▁g ears ▁in ▁a ▁set ▁are ▁seen ▁inside ▁the ▁car rier ▁in ▁the ▁left ▁photo . ▁ ▁The ▁g ear ▁on ▁the ▁right ▁side ▁of ▁this ▁photo ▁is ▁in ▁slightly ▁farther ▁toward ▁the ▁center ▁of ▁the ▁car rier ▁than ▁the ▁g ear ▁it ▁mes hes ▁with ▁on ▁the ▁left . ▁ ▁The ▁left ▁and ▁right ▁g ears ▁turn ▁in ▁the ▁opposite ▁direction . ▁ ▁Only ▁the ▁outer ▁planet ▁g ears ▁mesh ▁with ▁the ▁ring ▁g ear . ▁▁ ▁The ▁primary ▁sun ▁g ear ▁( the ▁small ▁sun ) ▁mes hes ▁with ▁the ▁inner ▁plan ets , ▁and ▁the ▁secondary ▁sun ▁g ear ▁( large ▁sun ) ▁mes hes ▁with ▁the ▁g ears ▁that ▁turn ▁with ▁the ▁outer ▁plan ets . ▁ ▁The ▁right - most ▁photo ▁shows ▁the ▁other ▁side ▁of ▁the ▁car rier . ▁ ▁Of ▁the ▁two ▁mes hing ▁g ears ▁showing , ▁the ▁one ▁on ▁the ▁right ▁is ▁slightly ▁farther ▁from ▁the ▁center ▁of ▁the ▁car rier , ▁allowing ▁it ▁to ▁mesh ▁with ▁the ▁ring ▁g ear . ▁ ▁In ▁general , ▁a ▁R avig ne aux ▁can ▁be ▁configured ▁with ▁each ▁of ▁the ▁three ▁g ears ▁in ▁the ▁set ▁having ▁a ▁different ▁number ▁of ▁teeth , ▁but ▁in ▁the ▁Ford ▁FM X , ▁all ▁three ▁have ▁ 1 8 ▁teeth . ▁ ▁Multiple ▁plan ets , ▁turning ▁in ▁the ▁opposite ▁direction ▁and ▁mes hing ▁with ▁different ▁sun ▁g ears , ▁gives ▁the ▁R avig ne aux ▁the ▁ability