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I'm also keen to take enough measurements of my current boat to allow some
modelling, I suspect the engine should be a bit further aft - and moving it on a whim is not trivial. This is a 24 ft carvel launch, 1950's vintage. I use my club's fairly agricultural slipway, so when it's out of the water, it's never going to be parallel to the slip's rails, it's difficult to get it exactly level from side to side, and it will be bow up by about 10 degrees. The surface under the slipway is very amateur concrete, with rails and the trolley obstructing things even further. About the only good news is that the waterline is easy to establish, and that on one side there is an open space. I could pay to use a commercial slipway, but the boat would still be bow up, and the underlying surface curved. I'm wondering if the best option is to mark the waterline, pay a surveyor with a "total station" to do lots of measurements from one side, and take it from there. I have no idea of the accuracy one might achieve. Or of how difficult it would be to import the results into an appropriate boat related package ..... I suspect that a decent survey package could manipulate the results to level it in both axes, and give an output in co-ordinates and dxf format. anyone tried something like this? David Flew "Reynaud" wrote in message ... I would like to build an replica of an old Chestnut canoe. I have the full size boat to refer to but am not sure how to take off proper measurements . Could someone suggest where to find information or clue me in. Help would be much appreciated. Rey |
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