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Swim paltform gas strut

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Onder View Drop Down
Sub Lieutenant
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Joined: 26 April 2021
Location: Gokova, turkey
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    Posted: 26 April 2021 at 13:20
Hello, 
The gas strut for the swim platform of my hanse 415 has to be changed
The original one was the hahn brand ( made in germany) 
They have tension and compression type ( gasdruckfedern) and gaszugfedern) 
Which one should I buy, they could not find with article no I sent
Thanks much
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Joined: 23 September 2013
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 415 Singapore Quote  Post ReplyReply Direct Link To This Post Posted: 03 May 2021 at 08:06
Hi, with regard to compression or tension type, ours has very specific part code number on it, but I would guess they are asking if it usually retracted or extended when in the resting or usual position??
I am not sure how old your boat is, but all our gas struts failed in the last few months after about 7 years. Initially it was just the cockpit seat struts, so I found a supplier in Singapore for the original manufacturer but they wanted US$ 270 per small strut which I thought was ridiculous, so I found an Italian brand in a chandlery shop for $100 each.
Subsequently, the swim platform strut failed too and I cannot find any that size from other manufacturers in shops here and with a quote of over $700 for an original replacement, I have substituted the strut with $5 of rope that runs through the backstay attachment over the pushpit to the winch. Works fine, but not quite as elegant a solution!
Next time I am on the boat I can get you the part number if that would help
All the best
Paul
Paul - Night Train - 415 #136
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Joined: 26 April 2021
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Onder Quote  Post ReplyReply Direct Link To This Post Posted: 03 May 2021 at 12:21
Thanks a lot Paul. I installed similar system you did. Based on my search, the reason of the strut fail could be the extreme force on it, so I think the both sides dynema ropes should be adjusted enough to relieve the force on strut. Another solution could be the use of more powerful strut ( mine was 800 N) like 1200 N. But all are my thoughts and have no idea about mechanics of them. It will be great if you can share the brand and article number. My boat is 2014, 415.
I am appreciated for your response and help. 

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Post Options Post Options   Thanks (0) Thanks(0)   Quote 415 Singapore Quote  Post ReplyReply Direct Link To This Post Posted: 04 May 2021 at 07:10
Hi, as you can see from the attached photo, the label has suffered over the last 7 years, but as far as I can see it is an 800 N part no. 1426349, but that is a degree of guess work! Origianl manufacturer is Hahn of Germany.
Good luck
Paul
Paul - Night Train - 415 #136
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 415 Singapore Quote  Post ReplyReply Direct Link To This Post Posted: 04 May 2021 at 09:18
Hi, sorry forgot to add my thoughts about how these work. We bought the boat new and the swim platform gas strut never did anything when lowering the platform, only gave assistance when raising its quite considerable weight. For lowering we always gave it a push but held onto one of the dyneema ropes as we lowered it so as to avoid it crashing down.
All the best
Paul
Paul - Night Train - 415 #136
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Matt1 Quote  Post ReplyReply Direct Link To This Post Posted: 04 May 2021 at 10:32
Here you go. I think mine still works, but unfortunately became detached from the platform and I'm really struggling to extend it so that I can reconnect it. Tried a block and tackle, and winching it apart, all to no avail


Edited by Matt1 - 04 May 2021 at 10:35
Hanse 418 #64 EmBer. Hamble, UK
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Breathe Quote  Post ReplyReply Direct Link To This Post Posted: 05 May 2021 at 10:47
after reading Paulís description about pushing the platform down, I am not convinced that mine ever worked. As per Mattís it became detached from the platform, but having almost no force was very easy to reconnect!

I have replaced with a 3:1 rope system. Works great.
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