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Gas struts for companionway steps

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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: 11 January 2014 at 21:39
Marco, Great question.  I've tried several configurations but have not found a gas strut (or, even a large spring) that can work.  Anyone out there with a solution?
Silversailor
South Haven, MI USA
S/V Legacy
Hanse 370e, #9
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Peter Russell View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter Russell Quote  Post ReplyReply Direct Link To This Post Posted: 12 January 2014 at 18:22
When I replace the companion way struts I'm going to move them onto the lockers as they still have plenty of strength in them, but not enough to keep the weight of the steps up. I'll feed back as to how I get on (probably when she is lifted in February).
Peter Russell

Hanse 370 hull 499 "Outnumbered"



http://outnumbered.the-russells.net
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MarcoC View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MarcoC Quote  Post ReplyReply Direct Link To This Post Posted: 15 January 2014 at 20:45
Peter, when you have solved how and where to fit the gas struts for the cockpit lids please send us pictures. I believe it is easier to find gas struts than points to fit them for the lockers. I have a fellow 370 owner who is kind of an engineer and he have not yet solved how to fit them.

Every year we try to find a solution that would be optimal for storage and opening the lid but it has been real difficult so far. so you can imagine that we are putting our hope on you now :)

Marco
"Älva"

Hanse 370#671

Stockholm, Sweden

www.wesailhanse.se big wheel, deep draught iron keel, 3 cabins,Yanmar 3JH4E, Sparcraft rig.
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Peter Russell View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter Russell Quote  Post ReplyReply Direct Link To This Post Posted: 09 March 2014 at 20:12
Hi I replaced the companionway step gas struts with the following:
 
Company - Struts Direct, www.strutsdirect.co.uk
model - Variable force SD02-200
end fittings - SBJ-06 steel ball joint (both ends identical)
extras - protection tube and locking piece
 
Fitted really easily and are very strong.  I've not dared to reduce the pressure yet!  I only fitted one protection tube and locking piece on the starboard side.  This is just for a little extra security once it is raised.  Just got to remember to depress the release tab before letting the steps down!
 
I decided not to go for stainless steel struts.  We'll see how they get on over the next few months/years.
 
I've not yet thought about putting the old struts onto the locker lids.  Maybe at some time in the future I'll get around to it.  For the moment more pressing things to fix.
 
 
Peter Russell

Hanse 370 hull 499 "Outnumbered"



http://outnumbered.the-russells.net
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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: 30 November 2017 at 17:20
Hi

My "new" Hanse 370 2008 has problems holding the enginebay door.
The springs has label Stobo 400381-400N.
Stobo has since moved on to new numberseries.
I have asked Stobo for the new number.

But has anyone got the numbers/length for replacement gas springs?
From this thread it looks to be too small with 400N:
http://www.myhanse.com/replacement-gas-spring-struts-for-engine-hatch_topic5352.html

/H8jer



Edited by H8jer - 30 November 2017 at 17:27
Hanse 370#480 30HP 3-cabin
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Peter Russell View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter Russell Quote  Post ReplyReply Direct Link To This Post Posted: 03 December 2017 at 18:39
I replaced mine and they work really well.  They have a lock on the strut to ensure they stay up, but they a very strong anyway.  I'll try to find the invoice and post the details

UPDATE
The company I placed the order with was Struts Direct.  Alas the on line invoice has been deleted and I am not near the boat to see if there are any identifying marks on the struts


Edited by Peter Russell - 03 December 2017 at 19:19
Peter Russell

Hanse 370 hull 499 "Outnumbered"



http://outnumbered.the-russells.net
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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: 10 December 2017 at 16:52
Hi Peter

On the 370 the gas-spring length is total 500 mm when extended and it can extend 200 mm.
One side was 370N and the other was 400N.

There is a biltema shop (lots of car-parts mainly in Scandinavia) near my location. I will try and find the springs there.

/H8jer
Hanse 370#480 30HP 3-cabin
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Peter Russell View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter Russell Quote  Post ReplyReply Direct Link To This Post Posted: 11 December 2017 at 21:40
In bringing up this post once again I noticed that many years ago I'd posted the specs for the struts I used!  See my post in this threat 09 March 2014.  They are still going strong.  In fact they are so strong that I have to hold the steps as they come up otherwise they would end up shooting onto the deck!!!

Also I never did get around to using the old struts as there was quite a bit of structural work needed to make them fit the cockpit lockers.  So the original string concept is still in use.

Link to the replacement struts is 
https://strutsdirect.metrol.com/variable-force-gas-strut-sd02-463.html 

Peter Russell

Hanse 370 hull 499 "Outnumbered"



http://outnumbered.the-russells.net
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Silver lining View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Silver lining Quote  Post ReplyReply Direct Link To This Post Posted: 12 December 2017 at 11:02
Peter - that's excellent, mine have gone on my 400 2007 year ,   I presume the companion way steps are the same on your 370 ?
I must get these ordered, appreciate you info. I'm not near the boat, so trying to remember how they attach -  I have looked at the website ,   and did you go for the 'Rod End Fitting' SBJ 06 , with No Rod end Bracket, or No Tube Fitting ? and just the locking tube ?
Thanks
 
Hanse 400e #199
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Peter Russell View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Peter Russell Quote  Post ReplyReply Direct Link To This Post Posted: 12 December 2017 at 19:50
I think this was probably copied from the original order and then pasted into the thread above

Company - Struts Direct, www.strutsdirect.co.uk
model - Variable force SD02-200
end fittings - SBJ-06 steel ball joint (both ends identical)
extras - protection tube and locking piece

I would guess that they are probably using the same struts as there is only minor differences between the 2 hulls once size is allowed for.

I seem to recall that it was an easy fit once I'd figured out the way to do it.  I believe I used some rope to hold up the steps so the struts were fitted in an extended position.

I don't think the locking tubes are needed, but they add a safety factor.  I always seem to forget I've installed them and wonder why I can't pull the steps down!


Edited by Peter Russell - 12 December 2017 at 19:51
Peter Russell

Hanse 370 hull 499 "Outnumbered"



http://outnumbered.the-russells.net
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