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Bowsprit extension |
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silversailor 
Admiral 
Joined: 25 May 2005 Location: South Haven, MI Status: Offline Points: 1021 |
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 Topic: Bowsprit extensionPosted: 25 May 2009 at 01:01 |
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Has anyone considered/accomplished extending the bowspit? If so, how much longer? Any reinforcements? Do you think the bowsprit holder could withstand a longer bowsprit? I would like to make one up to triple the size of the factory bowsprit.
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Silversailor
South Haven, MI USA S/V Legacy 2010 Andrews 28 |
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christian
Captain 
Joined: 17 April 2005 Status: Offline Points: 175 |
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Posted: 25 May 2009 at 18:47 |
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I bended my original length bowsprit last summer.
When sailing genakker in about 20 knots of wind.
Maybe a safer solution.
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Hanse 370e # 346
X Hanse 312 #247 1991 11:Metre One Design 2003 Stingray 5,2 RIB 90 Suzuki X First 25 X First Class 8 X Triss Norlin |
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Peter-Blake
Admiral of the Fleet 
Joined: 04 March 2008 Status: Offline Points: 2465 |
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Posted: 25 May 2009 at 19:14 |
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Hi Christian, please explain a little bit more what happended to your pin. Was only the pin destroeyd or some more parts?
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Blake 370
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Meaban
Lieutenant Commander 
Joined: 15 May 2007 Status: Offline Points: 74 |
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Posted: 25 May 2009 at 19:48 |
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Lats year, using a code zero in 15 knots wind this happened :
So I got another bow sprit under warranty and fixed it that way :
Now the problem seems to be definitely solved.
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H370e #398 "ANSE VATA"
La Trinité sur Mer France |
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Peter-Blake
Admiral of the Fleet
Joined: 04 March 2008 Status: Offline Points: 2465 |
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Posted: 25 May 2009 at 20:25 |
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Wow, never thougt that this pipe could bend under a gennaker this way, as the material in my case is pretty thick. But i like your solution to make it stronger. thanks for sharing.
Just sailed last weekend in 12 kn of wind (half wind) with our 106sqm Gennaker. very fast, but now i will be very careful..... Edited by Peter-Blake - 25 May 2009 at 20:25 |
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Blake 370
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Meaban
Lieutenant Commander
Joined: 15 May 2007 Status: Offline Points: 74 |
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Posted: 25 May 2009 at 20:54 |
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When in light wind I use also a symetrical spinnaker. This is a second hand spi of IMX38, 120m2. I got it up until 22-25 knots of real wind, woww!!! Speed constantly between 9 & 12 knots, but no place for a steering mistake...After half an hour of this game I was quite tired and we reasonnably put it down.
On the other hand the efforts with a Code 0 are much more important than with a gennaker as we can go up to 60° of real wind in 12 knots (after that level we are overpowered) and we tight the halyard as much as possible.
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H370e #398 "ANSE VATA"
La Trinité sur Mer France |
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silversailor
Admiral
Joined: 25 May 2005 Location: South Haven, MI Status: Offline Points: 1021 |
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Posted: 26 May 2009 at 02:22 |
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It's interesting that the sprit bent but there appears to be no effect on the base into which the sprit fits. This tells me that the base can carry a longer sprit provided the sprit is made heavily enough.
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Silversailor
South Haven, MI USA S/V Legacy 2010 Andrews 28 |
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Meaban
Lieutenant Commander
Joined: 15 May 2007 Status: Offline Points: 74 |
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Posted: 26 May 2009 at 20:42 |
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Yes you are right this was absolutely not damaged.
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H370e #398 "ANSE VATA"
La Trinité sur Mer France |
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ligeia
Commander 
Joined: 07 June 2008 Status: Offline Points: 136 |
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Posted: 27 May 2009 at 00:40 |
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Hi Meaban,
I just got my Code 0 and I am very enthusiastic : about 80% of the true wind speed at 70/100°. The North Sails dealer here advised me not to carry this sail above 10-12 knots. I used it up to 12 knots and it did pretty well. I pulled it down in stronger wind, but with regrets ! Do you think you could be beyond the limit for this bowsprit ? 
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"Teles", Hanse 370 #695
Port Fréjus (France) |
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Meaban
Lieutenant Commander
Joined: 15 May 2007 Status: Offline Points: 74 |
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Posted: 27 May 2009 at 23:49 |
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I believe that downwind there is little risks of damaging the bowsprit, and we can keep the code zero up to 25 knots at 140° of real wind.
As you said we are overpowered closed haul over 12 knots of real wind. In such situation the bowsprit risks to bend. IMHO the code zero halyard needs to be tighten very much over 10 knots of real wind, and this is adding even more pressure on the bow sprit. The reinforcement I did is very quick to do, and now I feel much more safe. |
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H370e #398 "ANSE VATA"
La Trinité sur Mer France |
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