TCDS TC 685

MODEIS: Stinson SR-10F (Army UC-81F), 5 PCI-SM I.C. NUMBER: T.C. 685 Engine P & W Wasp Jr. TB with one 4-1/2 N and one 9N damper (See also Item 203) Fuel 80 minimum octane (See Item 203) Placard limits Maximum, except take-off Take-off (one minute) 2300 pm (440 hp) Propeller (See Item 102) Placard speeds flight or climb - 183 mph True Ind. Glide or dive - 247 mph True Ind. Flaps extended - 121 mph True Ind. Fuel capacity 100 gallons (two at 38 gallons (wing) (+34) and one 24 gallon (wing) (+17)) (See NOTE 2) cil capacity 6-1/2 gallons (-34) No. passengers * (front +1"' kg. under rear (+34) and 100 1hs. Baggage aft of seat Standard weight Landplane 4650 1bs. C.G. limits Canopiane (+15.9) and (+26.5) (See NOTE 2) ard (+26.5) Specification basis Type Certificate NO. 685 Production Certificate No. 3 Serial numbers 5800 and up manufactured prior to 2/28/41 and all AAF numbers eligible. Approval expired as of (See NOTE 4) EQUIPMENT: (Datum is wing leading edge outboard curved portion) (* Means net increase) Class I: Landplane: 101- Hinged engine cowl 54 lbs. 102. (a) Propeller - Hamilton Standarö hub 2D30 with blades 6095A-12 to -16, 6167A-12 to -16 or 6101A-18 to -22. Diameter 8'6-1/8 maximum, 8'7/8i minimum. 170 1ks. (-65) (b) Constant speed accessories (Hamilton Standard) 9 lbs. (-36) 103. Starter (Eclipse I-S0) 20 1bs. (-32) 104. Generator (Eclipse AL-1 or G) 25 lbs. (-37) 105. Battery (Exide 6TS-13-1) 38 1bs. (+94) 106. Shielding (Breeze) 13 lbs. (-46) 107. 7.50-10 wheels with 8.50-10 6-ply tires (wheels must be placarded for these tires) 80 Its. (+4) 108- 10 inch smooth contour or 10.5 in. streamline tail wheel and tire 5 1bs. (+213) 109. Cabin heater 11 1bs. 110- (Now Class III) seaplane: (Items 101 thru 106, 109 PLUS 151. Edo 59-5250 float installation including auxiliary fin 365 1ks. (+25) Class II: 200. Miscellaneous items as noted in approved weight and balance report 201. Batteries (a) Heavy duty (Exide 6XT-13-1) 66 1bs. (+94) (b) Large (Exide 6TX-19-1) 80 lbs. (+94) (c) (Exide 6TS-13-1) 38 lbs. (+33) 202. Fuel tanks - two 25 gallon (See NOTE 2) Net decrease 13 1bs. (+34) 203. Engines (must have one 4-1/2 N and one 9 N damper) (87 minimum fuel required for 450 hp take-off) Use actual weight increase (a) P & W Wasps Jr. SB Limits Maximum, except take-off: (Sea level) 34.5 in. Hg.. 2200 rpm (400 hp) (Straight line manifold pressure variation with altitude to 5000 ft.) 33.5 in.Hg.. 2200 rpm (400 hp) Take-off (one minute) 38.5 Inamos Jr. SB-2 (limits same 2300 rpm (450 hp) (b) P & W Wasps as SB) (c) P & W Wasps Jr. SB-3 (limits same as SB) (d) P & W Wasps Jr. T1B2 limits Maximum, except take-off: (Sea level) 35 in. Hg.. 2200 Ipm (400 hp) (Straight line manifold pressure variation with altitude to 3800 ft.) 34 in.Hg., 2200 rpm (400 hp) Take-off (one minute): 37.5 in Hg.. 2300 rpm (450 hp) (e) P & W Wasps Jr. T1B3 (limits same as T1D2, Item 203 (c) above) (f) Military R-985-AN-4 (limits same as SB (9) Military R-985-AN-6 or -AN-6B (limits same as SB) (h) Military R-985-AN-12 or -AN12B (limits same as SB) (1) Military R-985-AN-14B (limits same as SB) (3) Military R-985-2b (limits same as T1B2, Item 203 (c) above) (3x) Military R-985-AN-1 or -AN-3 (limits same as T1B2, Item 203 (c) above) (3) 1-982,132 -17-8 111m228 same -50. (En) R-985-27 (limits same as T1B2) 204. Radio equipment in excess of Item 309. 205. Multipurpose equipment (includes 12'1" metal-lined cabin, extra door, baggage tie-downs) 39 1bs. (+55) 206. 25 1bs. (+34) 207. Belly hatch installation 55 lbs. (+58) 208. Provision for extra battery (box included) 6 lbs. (+121) 209. Adams mail pick-up and delivery device (Kirkham Engineering Corp.) (See NOTE 3) (a) Pick-up unit (replaces rear hammock seat 22 lbs. (+59) and rear seat supports 9 1bs. (+163)) 54 1bs. (+54) (D) Delivery unit 5 1bs. (+95) (C) Cable and hook (pick-up) 20 1ks. (+80) (d) Rope and basket (delivery) 14 1bs. (+95) (e) Forward mail compartment 1200 1b. capacity) (replaces co-pilot chair 24 1bs. (+ 12) and controls 4 1bs. (-13) 5 1bs. (£) Center mail compartment (150 1b. capacity) 5 lbs. (g) Rear mail compartment (150 1b. capacity) (h) Well in floor (i) Long cabin type trim (3) Structural modifications per Stinson Drawing Z-3325 25 1bs. (k) Metal skin on belly 15 1bs. (1) Folding seat 6 1bs. 210. Extra set ot controls (rear) per Drawings Z-3594 and 3702 (including pilot seats replacing hammock) 55 lbs.* (+36) 211. Propeller (a) Hamilton Standard 2D30 hub with 6095A-12 or 6095A-13 blades. Diameter 8'6-1/8 maximum, 8'3-7/8" minimum. 7 1bs.* Class III: 110. 24 ibs. (+3) 301. (a) Type D) 30 1bs. (-37) (b) e) 2 1bs. (-22) 302. 7 1bs. (-14) 303. Lights (a) 12 1bs. (+13) (b) Landing 9 1ts. (+16) (C) Fog 3 lbs. (+2) (d) Moonbeam Neglect weight 304. Ibs. (-25) 0x(-31) 305. Flares (a) 18 1bs. (+116) (b) 14 1bs. (+116) (c) Wiring 2 Or 3 1bs. (+33) 23 1bs. (+17) (a) 30 1bs. (+17) 40 1bs. (+56) (a) Paint 15 Ibs. (+48) (b) 10 1bs. (+36) (c) 7 lbs. (+36) 309- (a) 85 + 54) (b) and (+16) (C) 9 1bs. at (a) 310. Thermocouples (a) 7 lbs. (-11) (D) 4 point 5 lbs. (-11) (c) 3 1bs. (-11) 311. 2 1bs. (-34) 312. Doors (a) Emergercy Neglect weight (b) Neglect weight (c) Camera 6 Its. (+33) 313. Neglect weight 314_ 25 Its. (+50) 15 Ibs. (+50) 315. 6 1bs. (+4) 310- Fire extinguisher 20 1bs. (+2) 317. Special instruments (a) 32 Its. (-16) 5 lts. (-12) 318. 7-3/4 or 8 gallon oil tank 2 1Łs. * (-34) Propeller spinner 7 lhs. (-69) Movable right hand co-pilot window. 6 1bs. (+4) Multi-purpose door (Drawing F-3980) Skis (use actual weights) Federal SA-10 NOTE 1. Eligible for export as follows, subject to inspection for equipment specified in Chapter XII of Inspection Handbook (2/28/41): However, structure complies with Canadian and ski height 10-1/2 inches. - Seaplane - maximum standard weight 5200 1bs. (b) All other countries except New Zealand. NOTE 2. Placard fuel system as follows: (a) At selector valves: Use auxiliary fuel first.' (b) At filler cap: "Fill main (38 gallon or 25 gallon) tanks first.' NOTE 3. The following speed and weight limitations must be observed during pick-up and delivery when item 209 is installed: Maximum airspeed during pick-up or delivery 100 mph. (b) Maximum pick-up load 50 1bs. (c) Maximum delivery load 84 1bs. NOTE 4. Serial numbers 5901 and up same as 5800 series except vertical tai! surface, rattery installation, fuel system, exhaust collector ring, engine cowl, control wheel, and pilot's chair.