As a companion to Space Drawing Set 18 (booster), here are the equivalent drawings for the orbiter, McDonnell Douglas Model 255, Phase B high crossrange orbiter from 1971. All drawings are in B&W, and all come with half-size versions for easier viewing and printing. All contained in a single ZIP file.
255BJ00050sht1: General Arrangement, Siamese Tank, Delta Wing Orbiter (8154X3231 pixels)
255BJ11138sht1 Wing Structural Assy Delta Wing Orbiter (4123X3106 pixels)
255BJ11138sht2 Wing Structural Assy Delta Wing Orbiter (8240X3300 pixels)
255BJ11138sht3 Wing Structural Assy Delta Wing Orbiter (8200X3300 pixels)
255BJ11138sht4 Wing Structural Assy Delta Wing Orbiter (8094X3234 pixels)
255BJ23143 Structural Assy Vertical Tail Delta Wing Orbiter(8062X3186 pixels)
255BJ30092 Fuselage Structural Assy Delta Wing Orbiter(15990X3326 pixels)
255BJ50069 Main propulsion System Installation Delta Wing Orbiter (9873X3240 pixels)
255BJ50070 Airbreathing Engine Fuel System Instal – Orbiter (8144X3232 pixels)
255BJ50146sht1 ACPS/OMS Installation (11628X3333 pixels)
255BJ50146sht2 ACPS/OMS Installation (7550X3300 pixels)
255BJ50146sht3 ACPS/OMS Installation (10262X3333 pixels)
255BJ50147 Airbreathing Engine Installation – Orbiter (8184X3256 pixels)
255BJ50907 ACPS Engine Cover (TPS) Down Firing (8226X3270 pixels)
255BJ58074 Tank Assembly – Main Propellant – Delta Wing Orbiter (8168X3224 pixels)
Space Drawing set 19 can be downloaded for $10.