WE are looking for an anchoring sail for a 38' sailboat. If anyone has one in good condtion, please let me know!
if you are handy with a sewing machine you can make your own.
If you are going to fly it from the topping lift/boom instead of the back stay add about 10% to the sail area.
I've seen them from some guy who makes sail covers and jib bags and so on. I bought his jib bag and it is well made.
Banner Bay is one manufacturer of riding sails. they also make the "FinDelta" which looks interesting.
Before adding one, however, make sure your rode is centered on the bow. having it off to one side will make your boat yaw. You should also reduce the windage forward. We have successfully used a small drogue or sea anchor deployed off the stern to reduce yawing at anchor. One mistake people often make is not securing their rudder amidships. Not doing so will inevitably cause the boat to sail of to one side.
Remember also, that a riding sail will increase the windage of your boat and thus increase the load on your anchor.
we have more on this in our book: Happy Hooking - the Art of Anchoring, which is available from Coastalboating.net