The cranks of each pair are fixed to separate aligned crankshafts journaled in the engine housing with {TAIL ~ all} of {HEAD ~ the crankshafts} of all the transmission rings being axially aligned and connected to rotate as an unified shaft 
The cranks of each pair are fixed to separate aligned crankshafts journaled in the engine housing with { TAIL ~ all } of { HEAD ~ the crankshafts } of all the transmission rings being axially aligned and connected to rotate as an unified shaft
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH