This Autocourse piece written by Robin Herd – March co-founder amongst many other credits – in late 1968 about the use of wings on racing cars is of great interest and matter of record by one of the best qualified engineers of the day.
See Robins’ Autosport obituary here for a great career summary: https://www.autosport.com/f1/news/march-formula-1-team-co-founder-robin-herd-dies-aged-80-4987226/4987226/
Credits…
Autocourse 1968-69 via Rodway Wolfe Collection
Tailpiece…
Finito…
primotipo... 