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This the secondary mirror cell
it measures 6" inside diameter and 6" tall the rings are 8 5/8" on the
outside
The long screws are 6-32 that support
the secondary mirror they look kinda big in the pics but reallty are'nt
that big.The focuser sits three inches from the front placeing it in the
center of the cell.This a 1.25"
focuser and 3" tall when fully
racked in.And I opted to use the 1.0" secondary.Given the small aperture
of this scope It will mainly be
used as a rich field.
These two pieces and any others
that will be exposed that are not in the optical path are going to get
stained with a light brown color and then will recieve a couple of coats
of exterior poyurthane.
This
is all the wooden componets stacked up The side bearing still need the
ebonystar wraped and glued onto them.And the teflon pads need to be attached
to the rocker box for all the bearing surfaces.There is also a slat attached
to the top cell for the Mead 5x24 finder.
This
is most of the parts lying together theres not much more needed here to
complete my project.I know thats not ebony star formica on the bottom bearing
But I used a similar formica on
my 10" and moves great without any stickyness.So I'm going to try it if
I don't like the results that piece is easy enough to change without major
surgery.
This
pic shows the completed assembly this just needs a little touch up on the
paint inside the primary mirror box and uder the focuser mount then a couple
of coats of exterior urthane on the outside stained parts.Also needs to
have a shield of some type installed
on the inside of the secondary
mirror cell.Then the optics can be installed.At this point I'm sure I'll
have to do some work for the balancing act it seems to be extremly top
heavy at this point .