13-09-2020, 10:13 AM
Bob, that’s interesting. I just measured the approx cross section of my RL saloon at 15sqft. That equates to 7.5hp at 50 mph according to your figures. If we assume at that speed wind resistance is half of the total (well it has been of that order on everything’s else I’ve worked on), then we have about 15hp at 3500 revs. Altogether more believable than 10.5.
Alan Fairless