Examples from the Web for good speed
The crew of the Good-speed profited by the darkness to escape in their boat to the land, a few miles distant.The Narrative of a Blockade-Runner|John Wilkinson
And I begged my cousin to give me good-speed, instead of talking dolefully.Lorna Doone|R. D. Blackmore
Presently Abel comes in, and wishes Cain good-speed, who meets his kind word with an unmentionable request.
What a cheery adieu they wave to the friends who come down to wish them “good-speed!”Sword and Gown|George A. Lawrence
Our good hope of going forth with good-speed into the wide world to risk all for our lover and brother was not to be yet.Margery [Gred], Complete|Georg Ebers