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From: Ian on 25 Jun 2010 08:28
I urgentky need a new seat diaphragm for my DS. Only problem: DS's
don't have seat diaphragms. Oh, the joys of an end-of-the-line South
African car.

It's the same sort of thing as a TR6 one - two hooks on the short
sides and three on the long - but about 2" bigger in the small
dimension and 3" bigger in the larger.

Anyone know a supplier who keeps or makes these for lots of different
cars and might have a list of dimensions?

Ian
From: Dave Plowman (News) on 25 Jun 2010 09:31
In article
<38caa439-2bb3-4126-a79f-9fc11b466624(a)5g2000yqz.googlegroups.com>,
Ian <ian.groups(a)btinternet.com> wrote:
> I urgentky need a new seat diaphragm for my DS. Only problem: DS's
> don't have seat diaphragms. Oh, the joys of an end-of-the-line South
> African car.

> It's the same sort of thing as a TR6 one - two hooks on the short
> sides and three on the long - but about 2" bigger in the small
> dimension and 3" bigger in the larger.

> Anyone know a supplier who keeps or makes these for lots of different
> cars and might have a list of dimensions?

Could it be replaced by ordinary upholstery webbing? At least when that
goes you can get it easily. The main reason they used a diaphragm was
quicker assembly, IMHO.

--
*Remember, no-one is listening until you fart.*

Dave Plowman dave(a)davenoise.co.uk London SW
To e-mail, change noise into sound.
From: Ian on 28 Jun 2010 12:02
On 25 June, 14:31, "Dave Plowman (News)" <d...(a)davenoise.co.uk> wrote:

> Could it be replaced by ordinary upholstery webbing? At least when that
> goes you can get it easily. The main reason they used a diaphragm was
> quicker assembly, IMHO.

I could and I will if necessary, but the design of the seat will make
that wee bit awkward.

Ian
From: Jerry on 28 Jun 2010 12:12

"Ian" <ian.groups(a)btinternet.com> wrote in message
news:5614fa2a-dc82-4277-9b65-956b698fbfa4(a)u26g2000yqu.googlegroups.com...
: On 25 June, 14:31, "Dave Plowman (News)" <d...(a)davenoise.co.uk>
wrote:
:
: > Could it be replaced by ordinary upholstery webbing? At least
when that
: > goes you can get it easily. The main reason they used a
diaphragm was
: > quicker assembly, IMHO.
:
: I could and I will if necessary, but the design of the seat
will make
: that wee bit awkward.
:

Considering that these seat diaphragms are not much more than
moulded bits of rubber why not investigate sheet rubber suppliers
and then make/reinforce the required holes yourself, I also
assume that you have tried contacting the relevant owners clubs?
--
Regards, Jerry.


From: Ian on 29 Jun 2010 14:00
On 28 June, 17:12, "Jerry" <mapson.sca...(a)btinternet.INVALID> wrote:

> Considering that these seat diaphragms are not much more than
> moulded bits of rubber why not investigate sheet rubber suppliers
> and then make/reinforce the required holes yourself, I also
> assume that you have tried contacting the relevant owners clubs?

Hmm. Yes, making one might be an option - thanks.

The trouble I have is that the car is non-standard in all sorts of
ways, having been, as far as I know, made after production officially
ended and imaginatively maintained through the apartheid era
sanctions. It should, in theory, have metal springs across the base,
but if it ever had them they, and the fittings for them, are long
gone.

Ian
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