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Jib whisker pole length

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H8jer View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote H8jer Quote  Post ReplyReply Direct Link To This Post Topic: Jib whisker pole length
    Posted: 25 December 2020 at 08:36
I consider a pfeiffer telescopic whisker pole to limit the movement of the jib when going downwind in such wind-strengths that the crew will not join in the adventures of setting the gennakker.

The jib is 26sqmeters and pfeiffer has a whisker pole for 25sqmeters that is length 2.5-4.5m in 50mm.
Pfeiffer also got a 60mm version for 40sqmeters and 3-5.5 meters length.

I searched the forum and saw a 342 had "about" 2.5meters.

What length and strength would be advised?

/H8jer



Edited by H8jer - 25 December 2020 at 08:37
Hanse 370#487 30HP 3-cabin
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MasterKeil View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MasterKeil Quote  Post ReplyReply Direct Link To This Post Posted: 31 December 2020 at 16:54
SVB sells the 25 qm for 326 €, the 40qm for 468 €.
Distance from mast to bow is about 4,15 m. So I would say the smaller 4,5m is just long enough and easier to handle.
By the way: my 90 qm Code 0 is too big. I would definitly prefer max 80 qm.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote silversailor Quote  Post ReplyReply Direct Link To This Post Posted: 03 January 2021 at 19:02
I use a telescoping whisker pole.  Much easier to handle than a long one. Approx 3m-5.5m.
Silversailor
South Haven, MI USA
S/V Legacy
2010 Andrews 28
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H8jer View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote H8jer Quote  Post ReplyReply Direct Link To This Post Posted: 03 January 2021 at 19:15
Thanks to both of you. Found out my jib is 28kvm instead of 26kvm.

Silversailor - do You also use the pole for other sails than the selftacker jib?
Hanse 370#487 30HP 3-cabin
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tango View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tango Quote  Post ReplyReply Direct Link To This Post Posted: 03 January 2021 at 22:33
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H8jer View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote H8jer Quote  Post ReplyReply Direct Link To This Post Posted: 04 January 2021 at 09:16
Hi tango.
It is not possible to view your picture even if I am logged in using google.
/h8jer
Hanse 370#487 30HP 3-cabin
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silversailor View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote silversailor Quote  Post ReplyReply Direct Link To This Post Posted: 04 January 2021 at 17:15
Originally posted by H8jer H8jer wrote:

Thanks to both of you. Found out my jib is 28kvm instead of 26kvm.

Silversailor - do You also use the pole for other sails than the selftacker jib?


I sail with 2 genoas (135 and 155) and don't use the self tacker.  I use the pole downwind on both genoas but more so on the 155 which is up in light air.
Silversailor
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tango View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote tango Quote  Post ReplyReply Direct Link To This Post Posted: 04 January 2021 at 17:59
my boat hanse 375
The length of my spinnaker pole is 4m.
I use it with the 28m self-tacking jib,
we thus covered 17 days from Cape Verde to the West Indies with the spinnaker pole on one side or the other.
I also have a gennaker of 63 m2 but it holds by itself if there is not too much swell, for that I put the mainsail under the false breakdown with a boom restraint.




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cptgood View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cptgood Quote  Post ReplyReply Direct Link To This Post Posted: 05 January 2021 at 14:46
I'm going to build a "onepiece" one for my boat with these costs (total 120):

Aluminum anticorodal 6060T5 Tube 40mm *2mm , 3mt : 20 eu
 
2 Hooks Pfeiffer (SVB) : 68 eu
 
Plate on mast (I don't have one) : 34 eu 

Hanse320 - Hull#127/08 - Wheel - ST headsail - Yanmar 3YM30 - SD20
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H8jer View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote H8jer Quote  Post ReplyReply Direct Link To This Post Posted: 05 January 2021 at 16:51
Thx for all the inputs.

For a Hanse 37x the J-measurement is 4.15m(+-) like Masterkeil already said. This is the max length allowed for a spinnaker-pole. To handle the strain from a real spinnaker or eg. my 105m2 gennaker I would guess it had to be 80mm thick.
4.15mx80mm is not easy to store onboard and would also be too long for the Jib.

Storage is a main issue. The 2.5m Pfeiffer Telescopic model is the smallest possible, but if I only need a 3m pole then cptgood's idea is much cheaper.
Almost right next to Jefa Marine that builds our rudders another relevant shop is located. It is John Mast that also made the mast for my first boat. I can get a 6061T6 anodized tube there.

I think that I will have to postpone the final decision until  the mast is back on the boat and I can make the measurements.

So next question - How far up the mast should the bracket/plate be placed? Normally a horizontal level pole would be preferred.
The bracket needs to be mounted before the mast is put back on. So I can't wait to do the real measurement.



Edited by H8jer - 05 January 2021 at 17:25
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