[Public-List] Spinnaker Pole

[mahseer at kos.net]

Would a pole sized for a 140% head sail be too long for a furled down sail.
John Boor
MAHSEER #380




>
> Truitt,
>
>
>
> I too am interested in a suitably long(ca. 16') & strong whisker pole for
> my 140% Genoa.  For my short handed sailing situation, I plan to use 3
> lifts/guys so the pole stays fixed if I furl my Genoa; I have rigged this
> up a few times with my short spinnaker pole.  I sure could have used one
> today on our run from Wingfield Basin to Lion's Head, Georgian Bay.  As it
> was, despite furling the Genoa, we still made 4.0 - 5.5 kts under
> prevented mainsail alone.  A non-telescoping pole could be stored up the
> mast, or perhaps consist of two parts which are joined when deployed.
>
>
>
> Rigrite provides a guide for spinnaker pole sizing at
>
> http://www.rigrite.com/Spars/Spinnaker_Poles/Spinnaker_Poles_&_Parts.html
> For 24' - 33' sailing yachts, the recommendation is for o.d.= 2.5" and
> wall thickness = 0.083"
>
>
>
> You are considering o.d. = (72.5mm)/(25.4mm per inch) =  2.85" inches and
> wall thickness = (4 mm)/(25.4 mm/inch) = 0.16", i.e., both considerably
> over the recommendation.  The moments will be correspondingly larger...
> can't seem to find my spreadsheet to calculate these for you.
>
>
>
> Cheers,
>
> David
>
>
>
>
>> Message: 4
>> Date: Fri, 26 Jun 2009 09:43:29 -0400
>> From: "H.Truitt Sunderland" <truitts at atlanticbb.net>
>> Subject: [Public-List] Spinnaker Pole
>> To: "Alberg 30 Public List -- open to all"
>> <public-list at lists.alberg30.org>
>> Message-ID: <45ADAAECCC194DEA8E7822B15933E839 at STUDIO>
>> Content-Type: text/plain; charset="iso-8859-1"
>>
>> Hi,
>> Can anyone tell me where I can purchase a new aluminum pole. I have both
>> end fittings and want to lengthen the pole for use as a Whisker Pole.
>> 72.5 mm OD, 68.5 mm ID, One fitting has a manufactures initials of K M.
>> Ring any bells?
>> Does anyone need a good 10' 2" aluminum pole?
>> Thanks,
>> Truitt
>>
>
>
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