"You’ve spotted my main difficulty—to obtain the maximum sail area consistent with the stability of the craft and the limitations of road navigation.  Of course I’ve got an auxiliary motor for use in calms and uphill; but bridges aren’t such a nuisance as the hedges; they constrict the roads confoundedly.  I have to stick to the highway ... I say, old chap, just answer that telephone call for me, will you?  Another five minutes will see me through."