Bob has finished drawing the plans full sized and a cracking job he’s made of them. I now have a couple of copies courtesy of work, so I can cut out one of the full sized projections and stick it on the wall. With a wheel either side it’ll give me some idea of scale and what the frame needs to do.
A friend and the drawing office have independently offered to try to transpose it into CAD, which will be really useful for 3d modelling. It might also lead to an alternate way to get the patterns made.
I’m still trying to find a special spanner, or even just a nut, so I can see what parts I can salvage from Graham’s engines. Looks good on paper though doesn’t it??