helicopter = *{wa’ vo’wI’ muD [Do] Duj} – on the model of {wa’ rutlh qam Do Duj } “unicycle”?
ghobe'. cha' DIngbogh tel ghaj Dujvam'e'. roD cha' DIngwI' poQ Helicopter. tel 'oH SaSbogh DIngwI' tIn, 'ej ngaDmoH tlhuQ chongbogh DIngwI' mach. tInwI' SaS neH ghajlaH NOTAR Segh 'ach qub Seghvam.
IIRC Qov (who is a pilot IRL) once suggested *{vo'wI'} for propeller from {vo’} “propel”.
DIngmo' tel vo'laH je, 'ach ngoQ'a' 'oH pepmeH laH'e'.
-- ghunchu'wI'