Ken,
My M15 trailer has vertical roller guides welded to each side of the
frame behind the fenders and a pair of 2 x 6 wooden blocks with a center
V-notch bolted to the rear cross member. If you search the archives you
will find details on building keel guides with PVC pipe.
Joe Kidd M15 #207 "Poco A Poco"
_______________________________________________
http://mailman.xmission.com/cgi-bin/mailman/listinfo/montgomery_boats
