Grover, The M-17 foot is: 7'-6" according to: http://msog.org/specs/m17sailmeasure.cfm steve Steve R. M-15#119 Lexington, KY --- Grove777@aol.com wrote: need 2 meausrements for the m 17 please length of the boom length of the foot[bottom for duumise like me] of the mainsail please help thank you grover