htmlstart nosecone . September 2011 - Nose Cone
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txt The last 4 feet of bottom at the bow is what Martha and I call the "nose cone".
txt Four feet from the bow, the bottom "V" has a 30 degree angle.
txt At the bow (the stem), it is vertical, i.e. flush with the stem.
txt Thus the plane of the bottom rotates 60 degrees in 4 feet. This can't be done with
txt plywood, even with 1/4", much less the 3/4" we are using for the bottom.
txt We have tried different materials and methods and may have hit on the one we will use.
txt We'll know in May or June of 2012.
jpg 110911_0846m . 1 BC EB Making a twisted surface with epoxyed
fiberglass cloth layed over stretched strings.
Plywood would not make the bend.
jpg 110911_0847m . 1 BC EB Making a twisted surface with epoxyed
fiberglass cloth layed over stretched strings.
Plywood would not make the bend.
jpg 110915_0877m . 1 BC EB 110915_0877m
jpg 110917_0881m . 1 BC EB We abandoned this approach because it
would have required too much (dear) epoxy
to build it up to 3/4". Also, providing an
adequate gluing base would be difficult.
jpg 110930_0004m . 1 BC EB We tried cutting grooves half way through 3/4"
ply. No luck. It doesn't take the right shape.
jpg 110930_0001m . 1 BC EB We will probably use this approach for half the nose cone.
The sticks will be screwed and glued at the ends and
to one another, then ground smooth and trimmed.
jpg 111004_0033m . 1 BC EB This is the likely solution to the last 18",
but the contour is wrong.
Will work on it over the winter.
jpg 111004_0032m . 1 BC EB 111004_0032m
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