Saturday, July 9, 2011

Drawing/cutting transom, cutting bottom and scarfing.

The bottom and the transom were marked and cut out of one sheet of ply wood.  The ply wood is too short to get the whole bottom out of the piece of ply so then we would have to cut thebottom into two part and have to scarf them together afterwards.  A scarf is where you take a part of wood and measure back at a ratio of 10:1 so in this case we measured back 120mm, from that 120mm mark we would draw another line on a angle down to the opposite corner, then do the same thing but on the opposite side to the last then cut/plane it of.  Now you have a usable surface to glue the two pieces of ply together.  Before you can scarf them together you need to soak the ply in resin, this is so that when you put the two scarf areas tofether with epoxy, the epoxy won't soak into the wood.  When finish, take them and clean them up, plane of the resin and sand it all fair.



















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