UK-Cherub Forum
Cherub Chat => Tech Chat => Topic started by: roland_trim on May 24, 2012, 10:29:39 AM
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Not a new lesson, but thought you'd like to see the damage from last weekend.
We did not ground out, but hit the side wall of the slipway (Chew is full and working out where the vertical brick walls are is suprisingly tricky). Sadly the impact was at a few mph and loaded. The unzipping happened when we descided to sail on it anyway.
The plus side of this is that we don't need to break it further to effect the repair, the negative side is that the bit of core in the impact zone has gone missing.
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:o
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PS All it needs is sticky tape on the forward edge
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Interesting.
Due to my experience of trailing edge laminates pealing away from each other because the only thing holding them together is foam and a small bit of resin/bog i changed the way I made our latest rudder blade. Both the leading and trailing edges have some weave laminated round them as a first layer. Over this went the unis and then a final layer of weave which wrapped round the leading edge. The cloths extend between 5-8mm over the trailing edge so the back of the blade is solid carbon.
Hopefully having something that connects the two sides of the foil laminate down the trailing edge will make it a bit more robust.