In a message dated 7/17/2012 7:38:41 A.M. US Mountain Standard Time, Larry.Hughston@dgs.ca.gov writes: M-15 sailor.....I just saw the attachment in your email and you appear to have your boom position permanently attched to the mast with rivets !!! The Mast also appears to be an odd shape with a flat face to the aft direction. Is your mast "Jerry M" original? --- Is your M-17 "original"??? ---Larry in Old 189 from Sacramento..... Larry, Yes, the gooseneck is fixed - with stainless steel rivets - The mast is a 'pear shaped' section from Ballenger Spars - flat on the aft edge with radiused corners - _http://ballengerspars.com/Extdwgs/4026.pdf_ (http://ballengerspars.com/Extdwgs/4026.pdf) Mast is NOT original (gave original and pack rats living inside to PaintBoy) - M-17 was changed to a 'tall rig' when the spar was replaced - (I live in AZ and light air predominates - heavy air handling has not been compromised in my experience to date). Rudder is a non-stock item - fiberglass -VERY heavy but straight and of almost identical surface area as original. Boom and mainsheet are non-original but same dimensions as 'stock' with homegrown 'silly' modifications Ballenger is interesting site - they are not far down the road from you I believe ... _http://www.ballengerspars.com/index.html_ (http://www.ballengerspars.com/index.html) Have a great day, Have Fun, Go Sailing ! go "OhhhhBoy!" M-17 # 316a 'that ain't bad gelcoat -it's "patina"! Team Geezer Racing.....Old and in the Way