Re: [lojban] Sounding of the {ROTATE} gismu (was Direction of Rotation)

[Jonathan Jones <eyeonus@gmail.com>]

On Mon, Aug 13, 2012 at 3:18 PM, Jonathan Jones <eyeonus@gmail.com> wrote:

On Mon, Aug 13, 2012 at 1:16 PM, djandus <jandew@gmail.com> wrote:

[...]Also, if we're actually making a new word, I'd like to mention something. I generally find the axis usage clunky and rarely necessary, as it is often easier to give a more specific direction than an axis, in English or Lojban alike. Thus, the axis spot is mainly useful wrapped in {lo SE broda ku}. Shouldn't the x3 spot be the axis, then?

x1 is rotating counter-clockwise viewed from orientation x2 about rotational axis/axes (set if multiple) x3

Regarding the axis bit: The typical axis of rotation is the (imaginary) line perpendicular to the plane of rotational motion that intersects the center of gravity of the rotating object, so we only need to actually specify the axis when it /isn't/, such as, say, the opening of a door (where the axis is on one end of the object), or elliptical orbits (where there is more than one axis).

-- 
mu'o mi'e .aionys.

.i.e'ucai ko cmima lo pilno be denpa bu .i doi.luk. mi patfu do zo'o
(Come to the Dot Side! Luke, I am your father. :D )

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