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Home > Classifieds > Astromart Classifieds > Telescope - Reflectors > Classified #127928

For Sale: 10" f4.5 Dobsonian **Price Reduced**

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Orion 10" primary, f4.5, full thickness.

3/4" birch plywood miiror cell, 3-point, with 1-1/2" thick laminated birch plywood supporting disk; includes 12 volt muffin fan for quick cool-down of mirror, no power supply.

Orion secondary, 2-1/8" minor diameter.

4-vane aluminum spider and secondary mount

Crayford-type 2" low-profile focuser with 1-1/4" adaptor.

12-1/2" O.D. Sonotube x 54" long.

20" diameter altitude bearings; 3/4" birch plywood core; Ebony Star laminate.

14-1/4" square x 17" long tube support box; 3/4" birch plywood. Uses 8 threaded brass inserts into which (8) 1/4"-20 hex head cap screws are attached from inside the tube.

22-1/2" diameter azimuth bearing; 3/4" fir ground board; 3/4" birch plywood rocker box structure, 23" high to the base of the altitude bearing radius. Ebony Star laminate azimuth bearing surface under rocker box. Virgin teflon bearing pads on both the altitude and azimuth axes. Custom teflon bushings designed to reduce friction around azimuth axis bolt. 3 hockey puck feet under ground board.

3/4" birch plywood trim rings at both top and bottom of tube. Upper trim ring is permanently attached to tube. Bottom trim ring is removable to facilitate mirror cell removal.

Orion 9X50 correct-image, right-angle finder

3/4" birch off-axis solar mask with 80 mm Celestron solar filter. Mask has 4 safety attachment bolts to securely mount the mask to the front trim ring.

Weight of tube assembly with mirror, secondary assembly and focuser: 50 pounds

Weight of rocker box assembly: 30 pounds

Total weight: 80 pounds plus accessories

Price reduced: $600 firm. Money order or cash upon delivery.

Pickup in Warren, Michigan...too large to ship. Possible delivery within 150 mile radius...let's talk!
 

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