JD--thanks for the informative visual. However, I don't agree that it would take 5x longer to complete the CJ than the true jibe. At worst for the CJ the actual time elapsed would be about the same, but where the true-jibe boat would be making way toward the mark during the manuever, but the CJ boat would not be for at least half of that time.
The conditions of high wind and seas that would prompt the CJ would, in my opinion, slow completion of the true jibe due to the time (several seconds) required to sheet the boom in before jibing. Also, I don't think the CJ boat would have such a wide turning circle (which adds to the time). I can spin the Bavaria through a CJ in maybe two boat lengths--say--100 ft at most, and complete that whole manuever in less than 10 seconds. At 7.5 kt, the true-jibe boat would make 126 ft toward the mark in 10 seconds [if I calculated this correctly], assuming that it did not overreach the layline for the jibe point while trying to set the boom, etc., and experience no other problems jibing the boom in high wind and seas. No doubt that the CJ boat would be trailing initially, but probably would not overreach the layline; so might get some of that time back down course, is my only point.
Of course, in mild or moderate conditions the true jibe would always win the day!
ft/sec = [(7.5 n.mi./hr)(6076 ft/n.mi.)]/[(60 min/hr)(60 sec/min)] = 12.6
The conditions of high wind and seas that would prompt the CJ would, in my opinion, slow completion of the true jibe due to the time (several seconds) required to sheet the boom in before jibing. Also, I don't think the CJ boat would have such a wide turning circle (which adds to the time). I can spin the Bavaria through a CJ in maybe two boat lengths--say--100 ft at most, and complete that whole manuever in less than 10 seconds. At 7.5 kt, the true-jibe boat would make 126 ft toward the mark in 10 seconds [if I calculated this correctly], assuming that it did not overreach the layline for the jibe point while trying to set the boom, etc., and experience no other problems jibing the boom in high wind and seas. No doubt that the CJ boat would be trailing initially, but probably would not overreach the layline; so might get some of that time back down course, is my only point.
Of course, in mild or moderate conditions the true jibe would always win the day!
ft/sec = [(7.5 n.mi./hr)(6076 ft/n.mi.)]/[(60 min/hr)(60 sec/min)] = 12.6