G'day,
>
> Can the mast be lowered while the sail is powered up under load, when it
> would be most needed to lower it ?
No, but the on part mainsheet (with 4:1 fine trim) can be eased very
quicklywhich allows the rig to weathercock, completely depowered.
>What would the procedure be.
Dump sheet, stroll across the dry, near stationary trampoline, release
the mast halyard (I will need to come up with some better names for
the various lines, will ask for suggestions once I know what works),
which lowers the top mast, with the sail attached and simultaneously
lowers the bottom part of the sail. Mothe clew and luff downhauls to
their new attachment points, sheet on and sail away. To drop sail
completely, do the above,m then trip the halyard l;ock and the top
part of the sail comes down.
>
> Do you have a back up mast or plan for one if the extendable mast should
> prove not to be practical ? (not that it would be) or would you have to
> start from scratch ?
As it has to fit in a container, I would make a new top piece with an
internal sleeve. However, I would put up wth a lot of practical
problems to have a wing mast which can be reduced in height, weight
and windage by 50% I cannot any major reasons for it not to work
(often the way at this stage of the process ;-)) Plenty of potential
detail problems to solve, but the principle seems sound.
regards,
rob
>
> George Kuck
> Chestsertown, MD
>
>
> Rob Denney <harryproa@gmail.
>
> G'day,
>
> You aren't the only one who hopes it works!
> .
>
>
>
>
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