Sunday, November 7, 2010
Making and Setting the Frames
If the boat that we are building didnt come with exact frame sizes we would need to loft the whole thing out and then get the frame sizes for all the stations from the body plan. Luckily, in clovegro's infinite wisdom, he gave us the exact sizes of the frames in the autoCAD drawing. We had to go through and draw them on to sheets of woods, in our case we found old sheets of particle board that is used to prevent dings and scraps from getting onto good sheets of ply when it is bundled and shipped - free wood = good wood. To be the most economical and to use as much as the sheet as possible we had to attach a small bit onto the edge in order to fit the entire frame, this can just be screwed or attached as needed because this is not part of the final boat. Marking out the frames needs to be perfectly precise because this is what will cause the boat to be fair or unfair because the sheets of ply that will form the final product will wrap tight around these frames. Once all the frames are drawn and cut they can be put into place. the station 0 and station 5 needed angled braces but the rest can just be braced off of each other. We attached our angled braces too high on station five and so later on in the build we came across problems when setting the transom and, in turn, attaching the garboard planks, this is where building knowledge comes into play. We had to remove and reattach braces in our boat, but now I won't forget this for next time.
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