To respond to the comment from Ray, that was the only idiosyncrasy of the car, not uncommon on most trads where you have to unwind the steering out of a corner. I set the front at 6 degrees castor which was our preferred figure on trads. Factory was nominal 4 degrees, sadly variable. Giving her much more would have added steering weight. The problem was with the uprights which were the stock parts modified. That was to avoid additional issues with refitting existing hubs and brakes. The root of the problem was down to what is known as the Ackerman angle. In a perfect world the steering arms needed to move further out probably about an inch or so, maybe a bit more. That would have regained the Ackerman. Unfortunately there was a brake disc in the way.
Looking back ideally it would have been preferred to use the left stub axle on the right, and right stub axle on the left. And fit the rack behind the crosshead. Could have done that on the Roadster as the engine is set back far enough with clearance to do that. Extra work in cutting clearance through the chassis for steering arms would not have been an issue. Rather than try to explain there is plenty on a web search explaining Ackerman with pictures. The Plus 8 engine is much longer and no spare room behind the crosshead and Rob never commented on his prototype so it all stayed as designed. Hindsight is a wonderful thing.
