FWIW, A racer at my boatyard tells a story about tensioning running backs on a 55 foot racer fitted with digital load cells. He said he needed to pump it up to 4.5 tons. He said the skipper knew it was right when the lifelines went slack.
Chuck S > On 07/03/2022 1:44 PM Martin DeYoung via CnC-List <cnc-list@cnc-list.com> > wrote: > > > When we first bought Calypso back in 1998 the hull had micro fractures in > the laminations where the keel stub fairing begins. (Just forward of the mast > step.) I always figured the decades of competitive racers using too much back > stay lead to the fracturing. > > Now with the addition of two “I” beams from just aft the mast step > forward to where the baby stay tension rod attaches to the hull and, most > importantly an older wiser crew the hull is now safe and sound. > > BTW, Lew Townsend lives near Calypso’s co-owner in West Seattle and has > rebuilt both Calypso’s back and baby stay adjusters. I also recommend him. > > Martin DeYoung > Calypso > 1971 C&C 43 > Port Ludlow/Seattle > > > > > On Jul 3, 2022, at 7:26 AM, Matthew via CnC-List > <cnc-list@cnc-list.com> wrote: > > > > > > > > > > > > There was a guy in Erie who years ago cracked the hull of a Cal 40 > > using too much backstay. He added aluminum ribs to the boat and kept > > cranking it up. > > > > > > From: Joel Delamirande via CnC-List <cnc-list@cnc-list.com> > > Sent: Sunday, July 03, 2022 10:18 AM > > To: Stus-List <cnc-list@cnc-list.com> > > Cc: Joel Delamirande <joel.delamira...@gmail.com> > > Subject: Stus-List Re: hydraulic ram backstay > > > > > > There a sailor that split his C&C 40 in half with hydraulic backstay > > > > > > On Sun, Jul 3, 2022 at 10:14 AM Matthew via CnC-List > > <cnc-list@cnc-list.com mailto:cnc-list@cnc-list.com > wrote: > > > > >
