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Bad keel material |
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Borjebus
Commander Joined: 29 January 2013 Location: Sweden W Status: Online Points: 111 |
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Posted: 13 February 2020 at 16:32 |
I just want
to send out a warning if you have a keel where the upper part is made of steel
and the lower part is made of lead.
Last summer
I went aground in a 45 degree angle with a speed of 2-3 knots. It didn’t feel
too bad but when we hauled the boat, we saw a big crack where steel and lead
meet. This was nothing we couldn't fix ourselves, so we contacted a recommended yard.
Now they have taken the keel off and apart, see picture. This was
nothing we, or the yard, had expected: The lead
part of the keel needs to be sent away to a casting specialist to get the top
rebuilt with pure lead. Luckily the insurance company has accepted this. How has
this happened? Did we see
this coming? When the keel is repaired, we will add a Keel-Pro to limit the damages from possible rocks :) and we will also replace the old Simrad plotter and GPS with a new Vulcan 9. Aside of bad seamanship the reason for going aground was that the fix-point disappeared from the plotter. |
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BÄSK, Hanse 370e #82 from 2006, Yanmar 3JH4E/SD50, 3-blade Flexofold, RMC(Lewmar) 185 Bowthruster, Vulcan 9, Simrad+B&G instruments
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alettaenmarcel
Admiral Joined: 15 August 2006 Location: Netherlands Status: Offline Points: 1218 |
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we have also the 370 and have grounded the boat a few times.
Seriously also with 7 knots and no damage so farr. The boat is from 2006, and no cracks , no rust , not at the keel hull joint and not at the lead steel joint. What year is your boat Borjebus? Gr Marcel
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Kids Dingys 72-79 ,Several Windsurfboards 79-86 OK dingy competitions 86-92 , Trotter Pandora Race 92-98, Friendship 28 Sport 98-05, Hanse 370 06-......
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Borjebus
Commander Joined: 29 January 2013 Location: Sweden W Status: Online Points: 111 |
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Hi Marcel,
BÄSK is also from 2006. If you see no "rust tears" in the steel/lead joint you shouldn't be too wooried. My keel might be one of the few bad ones. If we hit the rock straight from front we would probably not have noticed. The bad lead was discovered firts when the keel was taken apart. If rocks are common in your waters, and accidents happen, I would recommend to mount a Keel-Pro. It's like a rubber bumper applied in the front of the keel. Google it!
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BÄSK, Hanse 370e #82 from 2006, Yanmar 3JH4E/SD50, 3-blade Flexofold, RMC(Lewmar) 185 Bowthruster, Vulcan 9, Simrad+B&G instruments
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Koppiekrou
Captain Joined: 21 February 2018 Location: The Netherlands Status: Offline Points: 185 |
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Hi Borjebus,
What is the draft of your 370? Regards, Frank
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291 4Ever - 341 Eternal Flame and now a Hanse 371 '05 Karma - Shoal draft - 2 cabin - 40hp - Variprofile
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Borjebus
Commander Joined: 29 January 2013 Location: Sweden W Status: Online Points: 111 |
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It's 1,95 m.
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BÄSK, Hanse 370e #82 from 2006, Yanmar 3JH4E/SD50, 3-blade Flexofold, RMC(Lewmar) 185 Bowthruster, Vulcan 9, Simrad+B&G instruments
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Borjebus
Commander Joined: 29 January 2013 Location: Sweden W Status: Online Points: 111 |
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At the end it was decided to replace the lead part of the keel with a new one. It took Hanse just five weeks to deliver it. All bolts and nuts were reused and we mounted the Keel-Pro protection device. After the 2020 season it feels good.
Edited by Borjebus - 18 May 2021 at 15:42 |
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BÄSK, Hanse 370e #82 from 2006, Yanmar 3JH4E/SD50, 3-blade Flexofold, RMC(Lewmar) 185 Bowthruster, Vulcan 9, Simrad+B&G instruments
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Borjebus
Commander Joined: 29 January 2013 Location: Sweden W Status: Online Points: 111 |
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... and a picture of it.
/Börje |
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BÄSK, Hanse 370e #82 from 2006, Yanmar 3JH4E/SD50, 3-blade Flexofold, RMC(Lewmar) 185 Bowthruster, Vulcan 9, Simrad+B&G instruments
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alettaenmarcel
Admiral Joined: 15 August 2006 Location: Netherlands Status: Offline Points: 1218 |
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Kids Dingys 72-79 ,Several Windsurfboards 79-86 OK dingy competitions 86-92 , Trotter Pandora Race 92-98, Friendship 28 Sport 98-05, Hanse 370 06-......
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Borjebus
Commander Joined: 29 January 2013 Location: Sweden W Status: Online Points: 111 |
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Yes it is
/Börje
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BÄSK, Hanse 370e #82 from 2006, Yanmar 3JH4E/SD50, 3-blade Flexofold, RMC(Lewmar) 185 Bowthruster, Vulcan 9, Simrad+B&G instruments
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