TCDS ATC 608

MODELS: Stinson SR-8A, -8B (Army UC-81). -8C (Army UC-811) I.C. NUMBER: ATC 608 I - SPECIFICATIONS PERTINENT TO ALL MODELS Placard speeds level flight or climb - 164 mph True Ind. Glide or dive - 222 mph True. Inc. Flaps extended - 122 mph True Ind. cil capacity Baggage 100 1bs. (50 lbs. under rear seats (+52) and 50 lbs. in compartment aft of cabin (See NOTE 1) (includes anchor and rope 25 lbs. in seaplane type C.G. limits Landplane (+18.5) and (+28) (+18.75) and (+27) Specification basis Approved Type Certificate No. 608 Serial numbers 9702 and up manufactured prior to 9/30/39 eligible and all AAF numbers of UC-81 and UC-81L. expired as of 9/30/39. EQUIPMENT: (Datum is leading edge of wing outboard curved portion) (*Means net increase) Class I: Landplane: 101- Engine ring cowl 24 1bs. 102. Deleted (See Item 322] 103. Starter (Eclipse F-80] 20 1bs. 104- Heater and ventilator 105. Leather upholstery 106. 7.50-10 wheels (Goodyear 10HBM) with 8.50-10 4-ply tires (wheels must be placarded for this size tire) 107. 10.5 inch streamline tail wheel 108. Battery (Exide 6TS-13-1) (aft of cabin back wall) 38 1bs. 109. Hammock type rear seats 110. Cleveland Pneumatic air and oil shock strut (Stinson Drawing L-524) (+12) 111- (See Class III) Seaplane: (Items 101, 103, 104, 105, 108, 109, and 111 PLUS Edo 39-4000 floats with water rudder 152. Seaplane fin (Stinson Drawing C-1801) This fin differs from that used on SR-8D or SR-8E) Class II: 200. Miscellaneous items as noted in approved weight and balance report 201. Multipurpose type (designated by pertinent model suffixed by letter ""). This type may have auxiliary door ait of main door on right side, large door frame for main and auxiliary doors, emovable back on co-pilot's chair tretcher door in back wall, ski type fuselage, ambulance litter and installation, metal lined cabin. 202. (a) 49 gallon reserve fuel tank under rear seat (baggage under rear seat - none 50 1bs.* (b) 8 gallon oil tank 203. Propellers Lycoming-Smith P-220 hub, Curtiss B300so blades; low pitch setting 10.25 degrees (SR-8B only) 11 1bs. * (b) Lycoming-Smith P-220 hub, Curtiss 320So blades; low pitch setting 10.25 degrees (SR-8B and SR-8C only) 15 1bs. * Lycoming-Smith P-220 hub, Lycoming S0200806 blades; low pitch setting 10.25 degrees (SR-8B and SR-8C only) 9 lbs. * Lycoming Smith P-220 hub, Lycoming s0220806 blades; low pitch setting 10.25 degrees (SR-8B and SR-8C only) 11 1bs. * (e) Lycoming-Smith P-221 hub, Curtiss B35051 blades; low pitch setting 10 degrees (SR-8B only) 28 1bs. * Class III: 111. Fire extinguisher (Pyrene Pressure) 11 lbs. (+2) Special instruments (maximum) 37 lrs. (-9) Three 1-1/2 minute 17 1bs. (+96) Two Wiley 3-minute 38 1bs. (+88) Fire extinguisher (Lux Press.) 20 1rs. (+2) Releasable cabin door Neglect weight (+151 Puncture proof tubes 6 1bs.* Landing lights (Grimes) and wiring 14 lbs. + 14 Special polish on wings 10 1bs.* (+36) Camera hole in cabin 4 1bs. (+33) Generator: (a) 25 amp. type 30 lbs. (-36) (b) 15 amp. type 25 its. (-36) Bonding 4 lcs. Shielding: Packard 9 lbs. (-43) 13 1bs. (-43) Parachute Pilot chair 1 or 2 at 15 lts. each (+18) Passenger chair 1 or 2 at 20 1bs. (+52) Radio receiver (RCA AVR-7 series) (rear wall of cabin) (+66) Radio transmitter (RCA AVI-7 series) (transmitter on cabin rack wall and power unit at instrument panel) (+31) Radio compass (RCA AVR8) installation (+54) 3 1bs. 314. (a) 50 gallon fuel capacity (2 tanks in wings at 25 gallons each) (standard for SR-8A) 28 lbs. (+34) 70 gallon fuel capacity (2 tanks in wings at 35 gallons (standard for SR-8B and SR-8C) 40 1bs. (+34) 82 gallon fuel capacity (2 tanks in wings at 41 gallons each) (+34) 315. Ski type fuselage F-3274 (+12) Ski type landing gear (+6) 317. Lifting hooks, fog and mooring lights Spring and oil struts (Stinson Drawing to SR-BD or SP-BE lower lift strut yokes (This item required for conversion (+12) 319. Reinforcement for (one on each side of fuselage) either of Stinson Drawing numbers 2-2276, 2-2315, 2-2328, z-2336 or wing lift fitting alteration in accordance with Stinson Drawing 2-3515 Skis (use actual weights) Alaska Airmotive 3750-S 322. Wheel streamlines (formerly Item 102) NOTE 1. Four-place. Models SR-8C and 8B (landplane or seaplane) are approved also as four-place type with two safety belts (instead of three) seat. Baggage in compartment aft of cabin may be increased from 50 1bs. to 100 1bs. (total 150 1bs.) (+62). NOTE 2. Eligible for export as follows subject to inspection for equipment specified in Chapter XII of Inspection Handbook (11/14/38): - Landplane - Seaplane - Maximum standard weight 4000 1bs. - Skiplane - Not eligible. requirements for installate an structure complies with Canadian installed. (t) All other countries except Australia. NOTE SR-8D CE SR-SE. See NOTE 3, Aircraft Specification No. 609, regarding conversion to NOTE 4. Airspeed indicator with maximum dial reading of 200 mph must have scale extended to 222 mph in accordance with Service Station Bulletin 157 (Owners Bulletin 158). II - MODEI SR-8A, DESIGNATION 4 PCLM Engine Placard limits Maximum, except take-off Take-off (one minute) -- in. Hg.. 2100 rpm (225 hp) Propeller Hamilton Standard adjustable metal (maximum permissible diameter 8 ft. 6 in.) Fuel capacity 50 gallons (Item 314a) No. passengers (front +15, rear +52) Standard weight III - MODEL SR-8B (Army UC-81) DESIGNATION 5 PCL-SM (See NOTE 1) (Same as SR-8A except engine, propeller and fuel capacity) Engine Lycoming R-680-B6 or D6 Placard limits except take-off Take-off (one minute) -- in. Hg., 2300 rpm (245 hp) Propeller Hamilton Standard hub 2B20; blades 6109A-6 to 6135A-101 81 6109A-10, inclusive, or blades 6135A-6 to 6-1/8" maximum, 8' 7/8" minimum Low pitch setting 11.5 degrees, 103 1bs. Fuel capacity 70 gallons (Item 314b) No. passengers Weights Empty - Use actual (seaplane approximately 334 1bs. increase over landplane) Standard - (landplane) 3750 1bs.; (seaplane) 4000 1bs. IV - MODEL SR-8C (ARMY UC-81L), DESIGNATION 5 PCI-SM (See NOTE 1) (Same as SR-8B except engine) Engine Lycoming R-680-85 or D6 Placard limits Maximum, except take-off -- in. Hg.. 2000 rpm (240 hp) Take-off (ore minute) -- in.Hg., 2300 rpm Propeller Hamilton Standard hub 2B20; blades 61094-6 to 6109A-10, inclusive; or blades 6135A-6 to 6135A-10, inclusive. Diameter 8'6-1/8" maximum, 8'7/8" minimum. Low pitch setting 11.5 degrees, 103 1rs. Fuel capacity No. passengers weights Empty - Use actual (seaplane approximately 334 1bs. Standa - (ver pandel 3750 1ks.; (seaplane) 4000 1bs.