Righting moment question- expertise required

Ah, OK, sounds like you've got it sorted. I may have sailed with your brother in law once; my brother (one of Scotty's arch rivals from Laser days) did the first year in the 16 with him, and I was going to be their fill-in crew if I was ever needed. If I'm thinking of the right guy, he was good - and I'm also feeling old if he's married these days!

Edited by Chris 249 - 24 Jun 14 at 12:02pm

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Chris 249 Send Private Message Find Member's Posts Visit Member's Homepage Really should get out more Joined: 10 May 04 Online Status: Offline Posts: 2041	Post Options Post Reply Quote Chris 249 Report Post Quote Reply Topic: Righting moment question- expertise required Posted: 24 Jun 14 at 12:01pm
	Ah, OK, sounds like you've got it sorted. I may have sailed with your brother in law once; my brother (one of Scotty's arch rivals from Laser days) did the first year in the 16 with him, and I was going to be their fill-in crew if I was ever needed. If I'm thinking of the right guy, he was good - and I'm also feeling old if he's married these days! Edited by Chris 249 - 24 Jun 14 at 12:02pm

flano Send Private Message Find Member's Posts Groupie Joined: 06 Aug 05 Location: Australia Online Status: Offline Posts: 46	Post Options Post Reply Quote flano Report Post Quote Reply Posted: 23 Jun 14 at 1:21pm
	Yeh sailed against Scott that year, actually my brother in law sailed sheethand with him. Scott was definitely one of the guys I thought of when going through this process. He did a good job of it but his forward hand, although small was still a great hand and I think took the wire off the breeze all the time. Another guy who did it was Bruce Savage and he was runner up in Geelong back in 2007 but same formula as Scott. If I were to go down this path i would have to committ to steering from the wire right round the track. Also my sheethand would have to take on most of the forward hand responsibilities.

Chris 249 Send Private Message Find Member's Posts Visit Member's Homepage Really should get out more Joined: 10 May 04 Online Status: Offline Posts: 2041	Post Options Post Reply Quote Chris 249 Report Post Quote Reply Posted: 23 Jun 14 at 8:07am
	Flano, I think Scotty Ellis skippered from the wire to 3rd place in the nationals a few years back, didn't he? Someone around the club should be able to tell you how it worked out.

flano Send Private Message Find Member's Posts Groupie Joined: 06 Aug 05 Location: Australia Online Status: Offline Posts: 46	Post Options Post Reply Quote flano Report Post Quote Reply Posted: 22 Jun 14 at 4:11am
	Yeh I've always been super thin. Just one of those blokes who can't put on weight. The Moth might be the next item on the bucket list.

Daniel Holman Send Private Message Find Member's Posts Really should get out more Joined: 17 Nov 08 Online Status: Offline Posts: 997	Post Options Post Reply Quote Daniel Holman Report Post Quote Reply Posted: 21 Jun 14 at 7:29pm
	Pretty sure Giles Scott is 6'6" and must be about 97 kg, and looks pretty slender. Edit - he was low 80s at that height in his laser days and was a beanpole! Edited by Daniel Holman - 21 Jun 14 at 7:30pm

rb_stretch Send Private Message Find Member's Posts Really should get out more Joined: 23 Aug 10 Online Status: Offline Posts: 742	Post Options Post Reply Quote rb_stretch Report Post Quote Reply Posted: 21 Jun 14 at 7:10pm
	I'm amazed you can get down to 75kg at 6'6". I would consider myself a slim 6'6" and come at 97kgs. If I could get near your weight I might even be able to try a moth....10 years of trying suggest this will remain a dream....

flano Send Private Message Find Member's Posts Groupie Joined: 06 Aug 05 Location: Australia Online Status: Offline Posts: 46	Post Options Post Reply Quote flano Report Post Quote Reply Posted: 21 Jun 14 at 4:59pm
	Don't worry, I won't be sacking the sheethand, look at the size of him. Not the sort of bloke you want to get offside .

PeterG Send Private Message Find Member's Posts Really should get out more Joined: 12 Jan 08 Location: United Kingdom Online Status: Offline Posts: 822	Post Options Post Reply Quote PeterG Report Post Quote Reply Posted: 21 Jun 14 at 4:49pm
	The answer wouldn't be that hard to work out - though having the kid's height would help (makes less difference hiking that trapezing, but it's still relevant. But all anyone could come up with as a number would be something like the % loss of righting moment. To convert from that to would it improve your chances of winning would depend on a lot of other factors - how windy will the races be not being the least. Are you generally overpowered, or underpowered? My advice would be give it a go, and if you could do it with another boat to sail against so much the better. For what it's worth, making some simple assumptions, I reckon your total crew righting moment is going to be be reduced from something like 406 kgm to 391kgm, while total boat mass goes down by 30kg. So not a large drop. A definite winner in light wind (if the kid is as good a foredeck hand!), might cost a bit in strong winds though? Whatever you do don't sack the sheet hand - he makes up more than 50% of the crew righting moment!
	Peter Ex Cont 707 Ex Laser 189635 DY 59

Daniel Holman Send Private Message Find Member's Posts Really should get out more Joined: 17 Nov 08 Online Status: Offline Posts: 997	Post Options Post Reply Quote Daniel Holman Report Post Quote Reply Posted: 21 Jun 14 at 4:48pm
	Cool. Well a good I14 is 100kg when it hits the water (measurement scope is ex mast, boom, foils, sails etc) and I assumed there would be a bit more boat with the 16 - built in wings, more surface area etc. All the best with it!

flano Send Private Message Find Member's Posts Groupie Joined: 06 Aug 05 Location: Australia Online Status: Offline Posts: 46	Post Options Post Reply Quote flano Report Post Quote Reply Posted: 21 Jun 14 at 4:44pm
	Not sure on overall weight of the boat when it hits the water. Hull weight is about 74kg with all fittings. Mast around 15kg, boom 3 or 4kg + the rest I'd assume we'd be close to 100kgs all up.