On 09-03-2013 18:04, Red Green wrote:
micky wrote in
On Mon, 02 Sep 2013 18:03:09 -0400, wrote:
Great if you have a round yard.
Call the Washington DC US Park Service.
They can do this in the Ellipse

That's right. With an ellipse, one needs two posts.

...for the two focus points.

Ahhh, someone who remembers their geometry.

A closed curve where every point's distances from two other points has a
constant sum is way different from a spiral caused by winding a line
around a single post as you circle it.

How are you going to wind up the rope as you go around?

--
Wes Groleau

Why does everyone call it a €œfanny pack" ?
When was the last time you saw one on a fanny?