With regards to the Delta Wing article, the first question that springs to mind is how on earth is it going to generate any decent cornering force given the extremely narrow front track coupled with extremely narrow tyres. Racing is all about speed through corners, as this determines speed out of the corner, which governs the ultimate speed along the next straight.
It’s a pity that your correspondent did not challenge Ben Bowlby on this obvious point, simply accepting his answer which seemed to be more of a sales pitch than a technical explanation. Also there was no mention of any performance simulations being made – surely the first thing to do before any construction takes place.
IS Coleman, Headington, Oxon