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Lifting bridle dimensions
jaylott	#1  Posted on 05/25/14 - 2:56 PM
Member Posts: 15 Comments: 1 Joined: 05/24/12	Looking for dimensions (Y x Y x Z where Y is the distance from the aft attachment points inside the transom to the central ring, and Z is the distance from the ring to the forward attachment point on the foredeck) for a simple 3-point lifting bridle to lift my 1972 13' Whaler. Plan to have the local boat yard construct the harness for me using appropriate marine cable. Also looking for same dimensions for a 2006 130 Sport. thanks in advance for your help
kamie	#2  Posted on 05/25/14 - 3:45 PM
Member Personal Page Project Albums Posts: 2975 Comments: 3 Joined: 11/04/05	download the owners manual from the downloads section for the 9-17 foot hulls. Page 17 should tell you everything you want to know. Might want to just print it out and take it to your local boat yard.
jaylott	#3  Posted on 05/26/14 - 3:19 AM
Member Posts: 15 Comments: 1 Joined: 05/24/12	Kamie, thank you for the tip. I had read the manual and it doesn't provide the dimensions I'm looking for. If anyone else has built such a bridle and can provide dimensions, I would be grateful.
tmann45	#4  Posted on 05/26/14 - 8:09 AM
Member Posts: 196 Comments: 0 Joined: 02/18/07	I made one 20+ years ago for my 13 Super Sport to launch off the pier at Avila, but I have not seen it since I escaped from California 17 years ago. However, if you estimate where the center of gravity is, a little geometry and the dimensions and instructions in the owners manual that Kamie posted should get you close. Make a bridle using some 3/8" rope and test it, that is what I did and just used the test model for a one time launch/reteive from the pier. What suprised me was how far back the center of gravity was, I think the balance point was aroound the rear seat. And with a CADD program it is easy to come up with some dimensions, see drawing at: http://i509.photobucket.com/albums/s3...Bridle.jpg The 2D drawing dimension does not take into account of the angle from the stern lifting points to the centerline of the boat, therefore I have calculated the true length of the rear legs in the triangle in the upper right hand corner of the pic. Of course all of these dimensions depend on where your center of gravity is.