FRP - Teflon - Aluminum Tubes
- Wooden End Rings
tubes are cut to length and shipped - you clean and finish.
Finished and raw aluminum tubes cut to your specified length.
Finished tubes are cut to length, interiors are roughened
with grit in flat black paint to eliminate incident stray
light bounce. A rugged glue permeated textile exterior in
your choice of color adds insulation over the tube exterior.
Finished with a clear acrylic polymer.
We recommend using a hole
saw to cut the focuser opening.
E-mail for shipping costs, or place your order, and we will
send shipping costs for your approval before accepting your
and Virgin Teflon
Ebony Star in finishes useful for
ATM has not been manufactured in many years.
FPR has been used in manufacturing Dobsonian telescopes
for many years.
Ebony Star in the prefered -50 and -52 finishes have been
out of production for 8 years. Prices include shipping
in the continental USA
48" FRP Strips
NOTE: For 10" or
smaller diameter bearings, heat the FRP strip so it
is more pliable, to avoid snapping and breaking.
Wooden End Rings
End rings protect tubes from damage. 13 ply Baltic Birch,
1" wide, incised 1/8" wide 1/2" deep. Press
or glue onto tubes. Finished end rings are fine sprayed with
up to eight coats of acrylic polymer, with ebony tint (reddish).
E-mail or call for shipping costs. Or
place your order, and we will send shipping costs for your
approval before accepting your PayPal payment.