It depends how it is rigged. Modern ones can be singlehanded

He was sailing around one of the poles.

David Blagden has written:

'Very Willing Griffin' -- subject(s): Observer Transatlantic Singlehanded Sailing Race, Willing Griffin (Sloop)

You cannot say that Richard Hamilton created this movement singlehanded, but his work 'Just What Is It that Makes Today's Homes So Different, So Appealing?, 1956, is often seen as the first example of Pop Art.

No. most scimitar (like most other curved blades in europe or middle east, like falchion or the germanic messer) were singlehanded blades, and therefore quite lightweight - normally between 1kg (2lbs) and 1.3kg (2 1/2lbs) in weight.

In actual use, a heavy sword (or any melee weapon) was a liability, as it would be slower to use, and thus, harder for the user to attack with. A heavy powerful cut is useless, if you're killed before you can make your swing.