I did exactly that on a client's boat. Had 2 different projections for the Selden sprit. Don't recall the lengths but one was maximum projection with no penalty. More than that incurred a hit.
-- Dennis C. Touche' 35-1 #83 Mandeville, LA On Mon, Mar 8, 2021 at 6:40 PM CHARLES SCHEAFFER via CnC-List < cnc-list@cnc-list.com> wrote: > Mike's right. > > I'm learning each PHRF group treats a sprit differently. > > Chesapeake Bay PHRF allows moving the assym tack forward up to 10% J > without penalty to alow anchor rollers to be used. On my boat, a 35.5' > long boat with 178" J, that's 17", which seems generous. > > But I want to install a Selden sprit at 55" which will be no penalty for > Long Island PHRF, but suffers -6 seconds for Chesapeake Bay. Each PHRF > group is different. > > The Selden sprit pole fits through a large SS loop mounted on the deck > next to the tack fitting and the inboard end mounts onto a folding padeye > on deck. I wanted to install a few padeyes on deck to set the pole at > different projections to meet the best PHRF rating. But the Chesapeake Bay > PHRF penalties are too much. > > 55" to 60" seems like the sweet spot, so I may just set one padeye at 55" > and have fun. > > FWIW, I just laid up five layers of 1708 fiberglass and West Epoxy onto a > thin 4" by 16" strip of G-10 that I'll cut into oval shaped pads to > reinforce the deck, spread the downforce load, and raise the padeyes about > 3/16". I already cut circular backing plates for underdeck. Headed to the > boat tomorrow as temperatures will be 55 to 65 for a few days. > > Chuck Scheaffer Resolute 1989 C&C 34R > > >
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