TCDS ATC 594

MODEIS: Stinson SR-7A, -7B, -7C I.C. NUMBER: ATC 594 I - SPECIFICATIONS PERTINENT TO ALL MODELS Placard speeds Level flight or climb - 177 mph True Ind. Glide or dive - 200 mph True Ind. Flaps extended - 122 mph True Ind. cil capacity 4-1/2 gallons NO - passengers C.G. limits Landplane (+19) and (+27) Seaplane (+19.5) and (+26.5) Specification basis Approved Type Certificate No. 594 Serial numbers 9650 and up manufacturel prior to 9/30/39 eligible. Approval expired as of that date. EQUIPMENT: (Datum is leading edge of wing outboard curved portion) (* Means net increase) Engine ring cowl Deleted (See Item 315) Battery (aft rear baggage compartment) Starter (direct electric) 105. Heater 7.50-10 wheels (Goodyear 10 HBM) with 8.50-10 4-ply tires (wheels must be placarded for these tires) 107. 10-5 inch streamline tail wheel (Goodyear) Seaplane: (Includes Items 101, 103, 104 and 105 PLUS) Edo 39-4000 float installation including water rudders 540 1bs. 152. Auxiliary seaplane fin under fuselage class II: Miscellaneous items as noted in and balance report. RCA compass 64 1bs. Radio (RCA AVT-7A; power unit instrument board cransmitter 11 lbs. at rear wall and controls 30 1bs. 1-1/2 minute flares 17 1bs. (+89) Hamilton Standard, hub 2B20, Smith hub P-220, B20SO or Lycoming S020080-6 or S022080-6 (SR-7B and Medicine cabinet 4 1ts. 205. Auxiliary door on right side (fuselage structure revised) Ambulance litter and installation cabin gallon fuel capacity - 2 tanks in wing at 41 gallons each net increase over 70 gallon (b) 70 gallon (2 tanks in wings) 16 1bs.* (+34) class III: 301- Special instruments IDS. (including artificial horizon 9 1bs . and directional gyro 8 1bs. (-5) 302. Fire extinguisher (Lux) 23 1bs. (+9) 303. Fire extinguisher (Pyrene) 15 1bs. (+18) 304. Puncture proof chassis inner tube 6 Ibs. (+3) 305. Landing light (Grimes) 14 1bs. (+14) 306.. Generator (15 amp.) 24 1bs. (-32) 307. Generator (25 amp-l 30 lbs. (-32) 308. Camera hole in cabin floor 1bs. (+35) 309. Radio receiver (RCA) 23 1bs. (+79) 310. Bonding 4 lbs. (+80) 311. Shielding 9 1bs. (-43) 312. Fog light 3 lts. (0) 313. Parachute pilot's chair 18 1bs. * (+19) 314- I-type antenna 3 1bs. (+80) 315. Wheel streamlines (formerly Item 102) 24 1bs. installation and pertinent weights. These models are identical with the exception of engine and propellel Eligible for export as follows subject to inspection for equipment inchapter XII of Inspection Handbook (6/14/38): - Landplane - When Item 205 is installed. structure complies with Canadiar requirements for ski installation when special landing gear is installed. Seaplane - 3850 1bs. standard weight. All other countries except Australia. NOTE 3. The following placard must be displayed in full view of the pilot on serial numbers 9650 thru 9676: "ALWAYS CHECK FUEL FLOW AT STRAINER DRAIN BEFORE TAKE-OFF. NEVER FLY ON ONE TANK WHEN FUEL IS LOW." II - MODEL SR-7A, DESIGNATION 4 PCIM Engine Placard limits except take-off 2100 pm (225 hp) Take-off (one minute) -- in.Hg., 2100 rpm (225 hp) Propeller Hamilton Standard hub 5404, blades 5B1-6 Bagga ge 50 1bs. (in compartment aft of cabin) Fuel capacity 50 gallons (2 tanks in wings at 25 gallons each) 311bs. (+34) Standard weight III - MODEL SR-7B, DESIGNATION 4 PCL-SM Engine Lycoming R-680-B6 or R-680-6 Placard limits Maximum, except take-off -- in. Hg.. 2100 rpm (225 hp) Take-off (one minute) Propeller Lycoming-Smith hub P-220 and Curtiss blades B-300-S0 2300 rpm (245 hp) (See Item 203) Baggage 100 lbs. (25 lbs. under rear seats and 75 lbs. in compartment aft of Fuel capacity 70 gallen (2 tanks in wings at 35 gallons each) Standard weight 3600 1bs. (landplane) 3850 lbs. (seaplane) IV - MODEL SR-7C, DESIGNATION 4 PCI-SM Engine Lycoming R-680-B5 or R-680-5 Placard limits Maximum, except take-off -- in.Hg., 2000 rpm (240 hp) Take-off (one minute) 2300 rpm (260 np) Propeller Hamilton Standard hub 2B20, blades 6101A-9 (See Item 203) Baggage 75 lbs. (25 lts. under rear seats and 50 lbs. in Fuel capacity 70 gallons (2 tanks in wings at 35 gallons each) Standard weight 3600 1bs. (landplane) 3850 1bs. (seaplane)