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Monday, August 30, 2010

Octave Marblehead Prototype Rigs: Bunjees

A beautiful precision job and a snazzy detail by Ray Joyce.
The idea is to incorporate a bunjee into the Dyneema 'limiter' strop for the automatic speed/height 'moding' adjustment on the swing rigs.
A lesser mortal would have tied the bunjee separately, but this would have left an untidy loop of Dyneema when the limiter was slack.
Here is Ray's description of the procedure:

I did a few trails and decided not to include tying the elastic within the fixing knots because of it being too bulky. I found that with a piece of elastic captive within the 
spectra it did not need much encouragement to stay where it was, so came up with a solution which seems ok. 
The pics show. 
You'll see that at each end I passed the elastic in/out/in then through the 
spectra for 50mm then out/in/out. I then whipped each end over the end 4mm sections.

Wednesday, August 11, 2010

Octave Marblehead Prototype Rigs Progress

Neat detailing for jib boom adjustments. Neatly executed by Ray Joyce.

Sunday, August 8, 2010