Laser woes.

   Laser radial, sails well on starboard, move to port and speed drops right off, boat needs constant rudder to keep it in a straight line. Several people have tried it, does exactly the same?

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423zero Send Private Message Find Member's Posts Really should get out more Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420	Post Options Post Reply Quote 423zero Report Post Quote Reply Topic: Laser woes. Posted: 20 Apr 23 at 12:16pm
	Laser radial, sails well on starboard, move to port and speed drops right off, boat needs constant rudder to keep it in a straight line. Several people have tried it, does exactly the same?
	Robert

PeterG Send Private Message Find Member's Posts Really should get out more Joined: 12 Jan 08 Location: United Kingdom Online Status: Offline Posts: 823	Post Options Post Reply Quote PeterG Report Post Quote Reply Posted: 20 Apr 23 at 1:27pm
	I'd start by checking rudder in line? C/B in line? Mast post in line?
	Peter Ex Cont 707 Ex Laser 189635 DY 59

JimC Send Private Message Find Member's Posts Visit Member's Homepage Really should get out more Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6662	Post Options Post Reply Quote JimC Report Post Quote Reply Posted: 20 Apr 23 at 1:29pm
	Not many options on a Laser... I'd try a different rudder and centreboard first as it should be easy enough to borrow one of each.

GybeFunny Send Private Message Find Member's Posts Far too distracted from work Joined: 27 Oct 09 Online Status: Offline Posts: 403	Post Options Post Reply Quote GybeFunny Report Post Quote Reply Posted: 20 Apr 23 at 1:40pm
	Laser mast rakes are all over the shop, stick a full rig bottom section in the hole and measure between the back of the bottom mast and the bottom of the transom lip in the middle, it should be 3815mm ish. Also check the distance from top of mast to each back corner and maybe some other point on either side to see if the mast pot is straight. Turn boat upsidedown and fit centreboard and rudder, sight from front and rear and check that they are aligned.

423zero Send Private Message Find Member's Posts Really should get out more Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420	Post Options Post Reply Quote 423zero Report Post Quote Reply Posted: 20 Apr 23 at 2:00pm
	One explanation I heard, there are steel rods in dagger board and it could be bent, never heard of this before.
	Robert

fab100 Send Private Message Find Member's Posts Visit Member's Homepage Really should get out more Joined: 15 Mar 11 Online Status: Offline Posts: 1005	Post Options Post Reply Quote fab100 Report Post Quote Reply Posted: 20 Apr 23 at 3:26pm
	How about sailing it backwards on port? I'll get my coat...
	Great book for Club Sailors here

423zero Send Private Message Find Member's Posts Really should get out more Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420	Post Options Post Reply Quote 423zero Report Post Quote Reply Posted: 20 Apr 23 at 3:35pm
	Been backwards many times
	Robert

JimC Send Private Message Find Member's Posts Visit Member's Homepage Really should get out more Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6662	Post Options Post Reply Quote JimC Report Post Quote Reply Posted: 20 Apr 23 at 3:39pm
	There are certainly steel reinforcing rods in the board. The matrix is pretty brittle though, I'd be surprised if it could bend much, but warped daggerboard is the first thing that occurred to me with the symptoms. As well as trying someone else's foils in that boat try those foils in another boat.

423zero Send Private Message Find Member's Posts Really should get out more Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420	Post Options Post Reply Quote 423zero Report Post Quote Reply Posted: 20 Apr 23 at 4:27pm
	I suppose with a gentle curve and the shape of the dagger board you would get unwanted lift, advantage one side to the other. Edited by 423zero - 20 Apr 23 at 7:34pm
	Robert

423zero Send Private Message Find Member's Posts Really should get out more Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3420	Post Options Post Reply Quote 423zero Report Post Quote Reply Posted: 21 Apr 23 at 10:04am
	Had another look, it appears the deck is detached from the hull on port side, I think the boat is actually distorting, you can easily push the hull inwards. Foils looked ok when compared to others.
	Robert