Sky at Night Magazine - - OCTOBER / HOW TO / SKILLS -


Cop­ing saw; drill and bits (8mm, 4mm, larger bit to suit ex­ist­ing fo­cuser knob, plus smaller bits for pi­lot holes); sol­der­ing iron; pli­ers


Small piece of good qual­ity 18mm ply­wood ap­prox A5 size (or thin­ner lay­ers glued to­gether) and a sim­i­lar sized piece of 6mm ply­wood; 3mm acrylic or ply­wood for servo mount


Two FS5106R con­tin­u­ous ro­ta­tion ser­vos (or sim­i­lar); five M3x25 screws with suit­able nuts; an M3 grub screw and two small self-tap­ping screws (from servo kit); GT2 belts – one 140T (280mm) and one 75T (150mm); one GT2 20T pul­ley; a length of suit­able ca­ble with at least two cores (we used a tele­phone ca­ble, for ex­am­ple); small strip of rub­ber; two long ca­ble ties; two round nails


Some spray paints or wood var­nish to pro­vide a nice fin­ish

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