From: "Jan and Rod Shea" 
To: 
Reply-To: "Jan and Rod Shea" 


This is a multi-part message in MIME format.

------=_NextPart_000_001D_01C31E38.D67A5890
Content-Type: text/plain;
        charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable

Thanks to all for your ideas.  I'm thinking that the Azimuth bearing =
would be a pretty lightweight pair of rings with some roller bearings = and
a Teflon or fuzzy furniture glider damper between them. I think 4 = points
of contact, at the corners of the chairlegs' footprint, would be = a lot
more stable than 3.  Otherwise, it would be a  "centerless" dob =
base - flexible rocker along the lines of Greg Babcock's 24" or Mel's
= new 20", partly for the practice of building one, and partly to save
= weight.  The intent is to make it light enough to "just throw it
into = the car", along with a scope or two..., for a night out or a
star party.

Rod
------=_NextPart_000_001D_01C31E38.D67A5890
Content-Type: text/html;
        charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable








Thanks to all for your ideas.  I'm thinking that the =
Azimuth=20
bearing would be a pretty lightweight pair of rings with some roller = bearings=20
and a Teflon or fuzzy furniture glider damper between them. I think = 4=20
points of contact, at the corners of the chairlegs' footprint, =
would be a=20
lot more stable than 3.  Otherwise, it would
be a  = "centerless"=20
dob base - flexible rocker along the lines of Greg Babcock's
24" or = Mel's=20
new 20", partly for the practice of building one, and partly to
save=20 weight.  The intent is to make it light enough to
"just throw it = into the=20
car", along with a scope or two..., for a night out or a star =
party.
 
Rod

------=_NextPart_000_001D_01C31E38.D67A5890--

--- BBBS/NT v4.01 Flag-4