These guys have it on their site:
http://www.parkwoodproducts.co.uk/racks.html

https://www.ebay.co.uk/itm/165602629432?hash=item268eaf9738:g:~DsAAOSwpOdi5Ni3&amdata=enc%3AAQAHAAAAoL9imi4Tm4DtwY58ogpo7aic6sIBlHeHiEYjrITcuiwN9Weohg%2FFXU%2FDS0%2BkUROcpd14QmWDqS6Ml65g8q4a6YDb1%2BIqnIMJix%2BOVScTCKJge3iWyOZ8NBO20U82hvm%2FPR1Z44fUs2%2B8DuhGvlosPe3JjPbirzxSDJcTapOll6gmvE2FYs5siQ...

https://www.ebay.co.uk/itm/115558380182?hash=item1ae7d0f296:g:oiwAAOSwH~NjQuZI&amdata=enc%3AAQAHAAAAkPhDs1R1SjATJYIS7b%2Fq1vgsZqNwvp%2BY8ZzM4PA1MX0b4vsh%2B8g9QnGn1Cf5Da7NsOHdaxHzrnN5L8gi4f8B40ndJS5iXvQBDZaQh%2Fn6Uwf7ZEdxT257vTqTxw8m%2F9Wh0rVb68otROSEHgygClz82K3eLi3%2B0mF8AwI4qPMYhziItqM9VW2kAVFf...

Where to get a proper, good quality seat cover for my 1940 W/NG? The one I fitted (Wassel) is too thin, and cracks easily where it is stressed. I see many have seat covers that look stronger, almost like they're made of leather instead of this faux plastic stuff... also, it must fit - I got another ...

The last couple of years I have been pondering over reasons why my W/NG "Scrambler" has been so sluggish - it has not been able to create a distance between itself and a mate's standard W/NG, even when fitted with a HC piston (7,5:1 slipper) and a Franklin P2 cam (HS Mk I '54). Sure, I opt...

Some norwegian action:

I believe there shall be a restriction to the oil return pipe inside the tank, to facilitate some pressure in the line, thus driving a small amount of oil to the top end? If you have an oil tank from a bike with the old system of oiling the top end, without this restriction, it might not get enough ...

I think he is with us still, he had activity on the Ariel facebook site the other day. Look up Mariano Paz.

I've got knobbly 3.50x19 Shinko Trail tires on a W/NG w/girder, no problem.

Thank you very much, this helps a lot I am trying to see how much higher an iron short stroke 500 will be than a 350, and if there's space in my W/NG frame for one. Future possible project...