Yes,it is too beamy and too deep.I have a 21' double,25 1/2" beam,and there is no interference of paddles.It is a super stable ,fast and comfy boat.Don't forget the rudder-a must for doubles.

> The change produces a boat with about twice the volume of a single
> so it should carry about twice as much.

> The beam seems a bit much for my liking, the depth is perhaps
> too deep for easy paddling The length seems too short for getting
> the paddlers apart.

> I would have increased the length (50%) more and the width (10%)
> and height (10%) less but wat do I know.