NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Backing & Hauling in Slocum
From: Herbert Prinz
Date: 2003 Dec 17, 11:19 -0500
From: Herbert Prinz
Date: 2003 Dec 17, 11:19 -0500
"Noyce, Bill" wrote: > I was interested in the use of "drew" and "hauled" to describe the > change in wind direction in this passage (in the southern hemisphere). > > > The phenomena of ocean meteorology were interesting studies even here > > in the trade-winds. I observed that about every seven days the wind > > freshened and drew several points farther than usual from the direction > > of the pole; that is, it went round from east-southeast to > > south-southeast, while at the same time a heavy swell rolled up from > > the southwest. All this indicated that gales were going on in the > > anti-trades. The wind then hauled day after day as it moderated, till > > it stood again at the normal point, east-southeast. This is more or > > less the constant state of the winter trades in latitude 12? S., where > > I "ran down the latitude" for weeks. > > Seems like we were debating the terms used in this situation a while ago, > though I don't remember whether we reached a conclusion. Slocum seems to > feel "drew" needs explanation, while "hauled" is treated as self-evident, > though perhaps it's just obvious that it's the reverse of the prior motion. No, Bill. The wind "draws" simply means that it fills the sails. The change of direction that is opposite to "haul" is expressed by "farther [...] from the direction of the pole". Herbert Prinz