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So I'm working away happily on my Stevenson's MiniCup.
I've just prepared two boards to joint them to make a piece of stock wide enough to cut out the rudder blade. They're from a nice piece of hardwood spotted sticking out of a skip (dumpster?), and just the right length and width to get the rudder out of (2 boards at 30" x 6" x 1", to get a rudder at 29" x 9" x 7/8"). Done a lovely job preparing the mating edges to be straight and even. Set up a heavy work surface (off-cut of a kitchen counter), covered in non-stick plastic sheeting, clamps ready etc. First go with my new set of West Epoxy and screw on pumps. Check the ratio with this hardener, 5-1, gloves on, good to go. Prime the resin pump, add five squirts to mixing cup. Prime the hardener pump, add one squirt to the mixing cup. Mix, pre-coat with unthickened epoxy. Add filler, mix, coat one side, put boards on work surface, clamp together gently, then harder down onto surface. Clean up squeeze out, use up remainder of thickend epoxy on a few odds and ends. I check the two boards are still aligned, clean up ,take of gloves, and head off to bed, satified with a job well done... ....until I remember that the West pumps are calibrated at 5-1 already, so 1 squirt resin + 1 squirt harderer = 5 to 1 ratio. Very convenient, unless you forget, in which case you mix at 25 to 1, which is exactly what I've just done, and then applied it with great care and neatness to two beautifully prepared boards. I't's no one's fault but my own, it's in the manual clear as day. I'd even read and understood about the calibration of the pumps in the manual a few weeks ago. I just forgot at the critical moment, and _assumed_ (in so far as I was thinking at all) that it would be the same as pump from other brands I'd used before. I'd wondered why the mix seemed to begiving off so little heat - sort of makes sense now :-( I want to cry. However, live and learn... I won't make that mistake again (famous last words anyone?) I know it'll never set up right (tell me I'm wrong. Please? Anyone??), but what I am likely to have to do to clean up the boards for another go? Should I leave it alone for a few days in the hope that it'll go rubbery and be easier to remove, or should I have at it with the scraper this evening? Any advice appreciated. Any comiserations really appreciated. Any "I've done the same thing..." type anecdotes greatly appreicated. Any abuse not particulary appreicated, but probably inevitable... bookieb |
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