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