Alistair, I found these while searching Amazon for 200lb struts.  Looks to be about the correct length (I believe stock ones are 11.75" compressed) but IDK about the stud size.
https://www.amazon.com/Tonneau-spring-extended-compressed-Pressure/dp/B01CWNRQ4K/ref=cm_wl_huc_item
Does anyone?
Roman

On Mar 31, 2017, at 10:43 AM, Neil2 <vidublu@GMAIL.COM> wrote:

I have no pro quals to say this but I think, the driver's seat position is
the most noticeable, the wheelbase, followed closely by the bow length.
YMMV

> On Fri, Mar 31, 2017 at 6:19 AM, David Beierl <dbeierl@attglobal.net> wrote:
> 
> PS -- these vehicles have the same wheelbase as a same-era Toyota Corolla,
> that's why they're so nimble.  But that doesn't make them the ideal
> platform for hanging bunches of stuff off the ends.
> 
> Yrs,
> d
> 
>> On Fri, Mar 31, 2017 at 9:02 AM, David <fjazzbass@gmail.com> wrote:
>> 
>> At what point in time do we grow concerned with the structural integrity
>> of the mount points and all this weight they bear? Just an ignorant
>> pondering....
>> 
>> Dave
>> 
>> On Fri, Mar 31, 2017 at 2:37 AM David Beierl <dbeierl@attglobal.net>
>> wrote:
>> 
>>> That SGS place in England will make them up to your specification.  You
>>> can
>>> telephone them or there's a form on the website to specify precisely
> what
>>> you need and get a quote. The load changes are done by changing the
>>> nitrogen pressure inside though of course there's a limit.
>>> 
>>> Yrs,
>>> d
>>> 
>> 
> 

--
Neil2
'82 Diesel Westfalia (Ducky)
'86 Vanagon (SaVannah)
'08 170" 2500 Mega Roof Sprinter (Moby)
'90 Westfalia Subagon (SaL)
Fulltiming since August 2008
Nunquam Pendite Divendium