1) Charles river sights 2) Crew needs 3) Light oars 4) Light racing boats 5) Long oars 6) Narrow racing boats 7) Propels a shell 8) Propels shells 9) Racing boats for rowers 10) River racers 11) Rowing race 12) Rowing racers 13) Summer olympics racers Found on https://www.crosswordclues.com/clue/sculls
another word for “oars.” Sculling boats require each rower to use two oars, or sculls to propel the boat forward. Sweep oars, one per rower, are longer and bigger than sculls. Found on https://www.mercycrew.org/glossary-of-rowing-terms/