JumbleDuck
Well-Known Member
Eric and Susan Hiscock had, if I remember correctly, only a 4hp Stuart-Turner in their 30ft Wanderer, yet managed to get around the world in her.
I have a 10hp BUKH in my 28' Twister which is perfectly adequate. Yet when I was thinking of fitting a new Beta engine the manufacturer advised fitting a 20hp. Seemed a pointless waste of money to me.
I think it reflects a change in philosophy. In ye olde days, engines in yachts were strictly auxiliaries, there to help out in calm conditions or in harbour. Nowadays almost all yachts are really motor sailors, the assumption (though not necessarily the truth) being that everyone will turn the engine on the instant they are not making 5kt towards their destination. Of course fitters of auxiliaries were rather sneered at in their day, since a pair of sweeps was clearly all that was needed. The change to modern sized engines probably occurred when Westerly did a deal with Volvo allowing the Centaur to get a remarkably big engine for its day.
I have a 1GM10 for four tons of long keeler. I may replace it at some point, at which point I am planning to fit something a wee bit bigger: the Nanni 10hp and 14hp are front runners at the moment. It'll still be an auxiliary, just a slightly gruntier one.