Re: [Amel Yacht Owners] Re: Gas struts for engine room hatch


Alexandre Uster von Baar
 

Good morning Bill,

I now understand what you mean by the 10 mm thickness!!! Around the R8.0 !!!

I no longer have the previous gas strut (which I don’t know if the were original), but on them was written:

RIVEN
588539.00
213601.00004
F1=400N 299/99

I don’t know what it means (except for the 400 newton), I sent it at the time to Bansbach.

As always thanks for the help, precision on understanding the specs!

Alexandre



--------------------------------------------

On Tue, 6/21/16, 'Bill & Judy Rouse' yahoogroups@svbebe.com [amelyachtowners] <amelyachtowners@yahoogroups.com> wrote:

Subject: Re: [Amel Yacht Owners] Re: Gas struts for engine room hatch
To: "amelyachtowners@yahoogroups.com" <amelyachtowners@yahoogroups.com>
Date: Tuesday, June 21, 2016, 7:37 AM


 









Alex,
If you look at the drawing you
posted you omitted the end piece specifications which is
R8.0 thickness 10 for each end, diameter of the hole in the
end which is 8.2mm, and length of the end piece which is
20mm from hole center to pushrod. I think that all of these
are correct, except thickness, which I believe should be 8
or 9mm.
Take another look at
your drawing at http://nikimat.com/engine_room_hatch_gas_strut.html.
There are 12 specifications listed on that drawing...and
each is variable. In addition, there is one more
specification which is the force...it should be
N400.
So, there are 13
different variable specifications when ordering these. It is
not a simple task to get correct. My friend, another SM
owner got it mostly correct. I had to drill the end holes
because he ordered 8mm, and it needed to be larger...your
drawing shoes 8.2mm, and I think that is correct. Also, like
you, my friend ordered 10mm thickness for the ends, but the
original Amel strut was 8mm thick. I had to modify some
things and it almost did not fit.
If you still have an old strut and
you know it is original, compare it to all of the specs on
your drawing.
It is
more complicated than you think, and sometimes we get
lucky!
Best,
Bill

 
On Tue, Jun 21, 2016 at
11:43 AM, Alexandre Uster von Baar uster@rocketmail.com
[amelyachtowners] <amelyachtowners@yahoogroups.com>
wrote:















 









Good morning Bill,



I am not technical at all, but isn’t it the “8 mm hinge
on each side” the specification of the ends?



I just posted the drawing Bansbach sent me on http://nikimat.com/engine_room_hatch_gas_strut.html

Hope that helps.



Sincerely, Alexandre



--------------------------------------------

On Mon, 6/20/16, 'Bill & Judy Rouse' yahoogroups@svbebe.com
[amelyachtowners] <amelyachtowners@yahoogroups.com>
wrote:



Subject: Re: [Amel Yacht Owners] Re: Gas struts for engine
room hatch

To: "amelyachtowners@yahoogroups.com"
<amelyachtowners@yahoogroups.com>

Date: Monday, June 20, 2016, 6:44 PM





 



















alex,

That description is not complete

because you also need the specification of each end
where

they are connected. I am not sure of the

specification, but I am sure that this is a variable

specification that needs identification.

Like I said, Ben, it is

complicated.

BillBeBe

387

On Mon, Jun 20, 2016 at

9:36 PM, Alexandre Uster von Baar uster@rocketmail.com

[amelyachtowners] <amelyachtowners@yahoogroups.com>

wrote:































 



















Good memory Kent,







I purchased 2 from



Bansbach easylift in Florida 321-253-1999



Esteban Contreras estebanc@easylift.com







A1A1N40-250-608/400N 316L Stainless Steel



Meaning a stroke of 250 mm with 608 mm overall



400 NM resistance



The stroke is 8 mm



The Diameter of the cylinder is 19 mm



With 8 mm hinge on each side.







Took a few weeks to build



They were $125 each (and free shipping).







These were the highest standard they are, guaranty for

10.000 opening... 



They also had a cheaper standard line.







Sincerely, Alexandre



SM2K #289 NIKIMAT



Club Nautico de San Juan, Puerto Rico







--------------------------------------------



On Mon, 6/20/16, Kent Robertson karkauai@yahoo.com

[amelyachtowners] <amelyachtowners@yahoogroups.com>

wrote:







Subject: [Amel Yacht Owners] Re: Gas struts for engine
room

hatch



To: amelyachtowners@yahoogroups.com



Date: Monday, June 20, 2016, 3:20 PM











 







































Hi Ben,If you look back several



months (maybe a year) I think it was  Alexandre posted

a



source for these in the US.  Stainless steel and very



reasonably



priced.KentSM243Kristy 



On Jun 20,



2016, at 8:50 AM, Ben Driver/YAHOO joedoakes66@yahoo.com



[amelyachtowners] <amelyachtowners@yahoogroups.com>



wrote:



































































 



























Bill, Did you buy these struts



from Amel?Ben







Ben DriverLa Bella VitaCG



#1120066SM #347



Sent from my



iPad



On Jun 20, 2016,



at 6:48 AM, 'Bill & Judy Rouse' yahoogroups@svbebe.com



[amelyachtowners] <amelyachtowners@yahoogroups.com>



wrote:



































































 



























Derick,



My experience is they will last



about 6-8 years...my experience with the original two.
I



think you should replace them in pairs...I did not, but

that



is another story. Do not over-spec the thrust...they
are



rated at N400. There is no maintenance on these except

to



keep them clean.



It is



easy to bend one of these if you close the lid

improperly.



The proper way to close is to press down on the middle

of



the engine room lid.



Best, 



BillBeBe 387le



Phare Bleu, Grenada for a few days



On Sun, Jun 19, 2016 at



11:58 PM, derickgates@comcast.net



[amelyachtowners] <amelyachtowners@yahoogroups.com>



wrote:































































 







































Ben,  



I am



glad that you were able to find swift and competent
care

for



what must be an excruciating injury.  Thank you for

sharing



this cautionary tale.  I will certainly take even more

care



when operating the engine room hatch.  



One of my gas struts had been



stepped on by an over-eager Yanmar technician and I had

to



replace it.  I found that after replacement of the

strut



that the hatch gave a much more controlled closure than



before it got bent.  I think that these struts may
need

to



be replaced on some regular schedule.  Does anyone
have

a



suggestion as to how long they should last?



Derick GatesSM2K#400



BravaCurrently on the hard in Antigua for



hurricane season.















































































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