[ATM] 6-pole

[Richard]

Hi Nils,

Wednesday, April 9, 2008, 9:18:22 AM, you wrote:

NOC> Provided the attachment points of the 6 truss rods form equilateral 
NOC> triangles of similar size at both ends, the truss rods will define a hexagon
NOC> around the light path. The circumscribed to inscribed diameters are c:a 1.15
NOC> (sqrt(4/3)). In the case of 8 rods in the usual arrangement, it is a square

No, it's an octagon. If you rotate the triangle at one end then you
must also rotate the square at one end, or the comparison is not
valid. Your "usual arrangement" must be something very different to
mine! (poles equal length, top and bottom squares offset by 45
degrees).

-- 

Best regards,
  Richard in the UK