In sweep or sweep-oar rowing, each rower has one oar, held with both hands.
From the en.wikipedia.org
A sculling oar is shorter and has a smaller blade area than the equivalent sweep oar.
From the en.wikipedia.org
She joined the New Zealand elite programme in the women's sweep oar eight as a 19-year-old in 2006.
From the nzherald.co.nz
As it stands, a sweep oar squad of 14 and a sculling oar squad of five are training at Lake Karapiro over summer.
From the nzherald.co.nz
An oar is often referred to as a blade in the case of sweep oar rowing and as a scull in the case of sculling.
From the en.wikipedia.org
The combined blade area of a pair of sculls is however greater than that of a single sweep oar, so the oarsman when sculling is working against more water than when rowing sweep-oared.
From the en.wikipedia.org
Sculls use two oars for each rower, while in the rowing shells each athlete uses a single oar, or sweep.
From the sfgate.com
Ergometers do not simulate the lateral balance challenges, the exact resistance of water, or the exact motions of true rowing including the sweep of the oar handles.