MacGregor/Venture Forum

Be prepared to play - and it aint' easy

Posted By: Chris & Lenore - Mac 26S - Teliki
Date: 6/18/08 12:28p.m.

Report: outside forum guidelines

In Response To: Rule of thumb clarification... (link) (Scott, Mac26D, Kennesaw, GA)

There are so many variables involved which are different by boat you really need to "play" with mast rake.
I said it aint' easy because it takes time to readjust everything - and then you need to sail in a variety of conditions.
One thing I found is that mast rake has far less of an effect on weather helm than you might think. So when you experiment move it 3 or 4 inches at a time...
What does have a profound effect (besides rudder downhaul - I think I've beat that one to death) is centerboard position on a 26S. Moving it back and forth through 2 feet or more has much more effect than a few inches difference on the mast.
Many people vary the amount of board to suit a particular point of sail - but on a 26S this can introduce a huge amount of "real" weatherhelm. Less board is often thought to reduce drag but often the offset tiller required to hold a course creates far more overall drag.
Chris

Our sailing site

Messages In This Thread

Roundup problems w/ Idasailor rudder -- Eric J Mac 26D -- 6/15/08 5:01p.m.

Idasailor rudder stall -- Bob, '74 Venture 25, San Mateo FL -- 6/15/08 7:44p.m.

I'm a firm believer... -- Ramblin' Rod - Mac 26D - SeaQuell - Georgian Bay. -- 6/15/08 8:31p.m.

Roundup mitigation plan -- Eric J Mac 26D -- 6/16/08 9:44a.m.

Mast rake...rule of thumb -- Scott, Mac26D, Kennesaw, GA -- 6/16/08 10:09a.m.

"make sure your boat is level" -- Larry K. , Mac26D "Gustin Winds" L.Ontario -- 6/16/08 7:01p.m.

The only way to tune the rig is on the water. -- Ramblin' Rod - Mac 26D - SeaQuell - Georgian Bay. -- 6/16/08 8:55p.m.

must be on the water -- Bob s-v Watermark - Mac26S - Ottawa River - ON -- 6/17/08 5:57a.m.

Rule of thumb clarification... -- Scott, Mac26D, Kennesaw, GA -- 6/18/08 9:01a.m.

Be prepared to play - and it aint' easy -- Chris & Lenore - Mac 26S - Teliki -- 6/18/08 12:28p.m.

1 inch slack in downhaul = unmanageable tiller pressure -- Chris & Lenore - Mac 26S - Teliki -- 6/16/08 7:40a.m.

completely agree, I think I had the weed problem yesterday in very light air, -- Balazs (Mac26C GP, Alberta) -- 6/16/08 8:57a.m.

Our downhaul solution -- Chris & Lenore - Mac 26S - Teliki -- 6/16/08 11:22a.m.

down haul -- Ted Tobey M26c Marblehead ,Ma. -- 6/16/08 11:32a.m.

The picture in your post -- Scott, Mac26D, Kennesaw, GA -- 6/16/08 9:53a.m.

fwiw, mine works fine -- MrBill_26D_FLL -- 6/16/08 10:04a.m.

mine works but it could be better... -- Scott, Mac26D, Kennesaw, GA -- 6/16/08 10:53a.m.

Why it broke - and a few other comments -- Chris & Lenore - Mac 26S - Teliki -- 6/16/08 11:12a.m.

My PO bought the rudder so warranty doesn't apply.... -- Scott, Mac26D, Kennesaw, GA -- 6/18/08 9:03a.m.

Same here -- Ben -- 6/18/08 5:30p.m.

Rudder Discussion -- John S -- 6/23/08 3:06p.m.

light air sailboat -- Larry K. , Mac26D "Gustin Winds" L.Ontario -- 6/24/08 2:02p.m.

Light Air Sailbot -- John S -- 6/30/08 2:59p.m.

My take on the rudder issue -- MarkW -- 6/24/08 8:30a.m.

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