2 examples of keelless in sentences

We swept along before the wind, unsteadily, over Lake Chesuncook, at sea in a bowl,"rolled to starboard, rolled to larboard," in our keelless craft.

Six or eight years after the close of the Revolution the vast stretches of brown water, swirling ceaselessly between the melancholy forests, were already furrowed everywhere by the keeled and keelless craft.

2 examples of  keelless  in sentences