Thread: Hull Flexing
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Capt. Mooron
 
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Default Hull Flexing

Oh about 32 degrees in a pinch... You?

CM

"The_navigator©" wrote in message
...
| What's your point?
|
| Cheers MC
|
| Capt. Mooron wrote:
|
| How does that differ to her usual condition of standing by outside a
harbour
| with a fouled prop?
|
| CM
|
| "The_navigator©" wrote in message
| ...
| | I'd say It's BS because boats are simply not that rigid and it's hard
to
| | measure to an accuracy of 4 thou on big objects. The flexability of
most
| | boats is such that the side stays limit the spread of the hull as
the
| | backstay is tightened (this is naval architecture 101). Current rig
| | tensions are much higher than they used to be. Even Ella has a
backstay
| | tension of 2,500 lbs when beating.
| |
| | Cheers MC
| |
| | DSK wrote:
| |
| | The_navigator© wrote:
| |
| | 4 thou. measured on the back of a boat? Complete BS.
| |
| |
| | "The Captain...cap n all" wrote:
| | I would have thought so.
| |
| |
| | AFAIK there was no reason to BS about it, the boat was a one-off
| | and paid for. If I am interpreting the article about the boat
| | correctly, the distortion was measured at the mid length along a
| | straight from stem to center transom.
| |
| | If one is installing high powered hydraulics to control the rig,
| | it makes sense to make the hull & deck structure as rigid as
| | possible, within reasonable weight limits. I haven't seen any
| | figures for the distortion measured on the newest IACC boats but
| | the early 1990s boats had very high rig loads (10K kg and up)
| | and very little (if any) distortion.
| |
| | Fresh Breezes- Doug King
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