TCDS ATC 609

MODELS: Stinson SR-8D (Army UC-81B), -8E I.C. NUMBER: ATC 609 I - SPECIFICATIONS PERTINENT TO ALL MODELS Placard speeds Level flight or climb - 164 mph True Ind. Glide or dive - 222 mph True Ind. laps extended - 122 mph True Ind. Fuel capacity 2 gallons (two tanks in wings at 41 gallons each Cil capacity No. passengers (See NOTE 1) (Front +15, rear +52) Baggage 150 ibs. (50 lbs. under rear seats (+52) and 100 lbs. in compartment aft of cabin (+73) (See NOTE 1). Includes anchor and rope 25 its. in seaplane type. C.G. limits (+17.1) and (+27.0) and (+26.2) Specification basis Approved Type Certificate No. 609 Serial numbers 9702 and up manufactured prior to 9/30/39 and all AAF numbers eligible. Approval expired as of (Serial 9701 does not have revised wing torque vees and fuselage. Eligible with placard Sight or elimb 153 mph. e1i other specifications Glide or dive 211 mph.; (k) EQUIPMENT: (Datum is wing leading edge outboard of curved portion) (* Means net increase) Class I: Iandplane: 101. Engine ring cowl 29 1bs. 102-. (Now Class III equipment) 103. Starter (Eclipse F-141) 25 1bs. 104. Heater and ventilators 105. Leather upholstery 106. 7.50-10 wheels (Goodyear 10 HBM) with 8.50-10 4-ply tires (wheels must be ›lacarded for this size tire] 107. 10.5 inch streamline tail whee. 108. Battery (Exide 6TS-13-1) (aft of cabin back wall) 38 lbs. 109- Hammock type rear seats (+12) 110. Spring and oil struts (Stinson Drawing L551) 112: (Now Class III) Items 310 (b) and 313 (noted below) (Model SR-8E only) 113. Propeller (See also Item 319) (a) Model SR-8D - Hamilton Standard hub 2B20; blades 6109A-9 or 6109A- 10, or blades 6135A-9 or 6135A-10. Diameter 8'3-1/8" maximum, 8'7/8" minimum. Low pitch setting 13.75 degrees. (b) Model SR-8E - Hamilton Standard hub 2B20; blades 6109A-12 or 6109A-13, or blades 6135A-12 or 6135A-13. Diameter 8' 1/8m maximum, 7. 9-7/8~ minimum. Low pitch setting 13.25 degrees. Seaplane: (Items 101, 103, 104, 105, 108, 109, 111, 112, 113 PLUS do 39-4000 floats with water rudder 152- Seaplane fin (Stinson Drawing C1691 change A) (Note this fin differs from that used on SR-8E and SR-8C) Class I! Miscellaneous items as noted in approved weight and balance report 201. Generator (a) (D) 15 amp• 25 amp. 25 1b5. (-32) 25 1bs. 202. wings at 25 gallons each) 50 gallon fuel capacity (2 tanks in Net decrease 17 1bs. (+34) 203. 70 gallon fuel capacity (2 tanks in wings at 35 gallons each) Net decrease 5 1ks. (+34) 204. (a) 49 gallon reserve fuel tank under rear seat (baggage under rear seat - none) 50 1bs.* (b) 8 gallon oil tank 205. Multipurpose type (designated by pertinent model suffixed by letter "M"). This type may have auxiliary door frame for main and auxiliary doors, removable jane tear at hate sean, real door ambu- lined cabin. 206. Heavy duty battery (aft of cabin back wall) 75 lbs. Class III: 102. Wheel streamlines 24 1bs. 111. Fire extinguisher (Pyrene Press.) 11 Its. (=3} 301. Special instruments, maximum 37 lbs. 302. Flares (a) Three 1-1/2 minute 17 1bs. (+96) (b) Two Wiley 3 minute 38 1bs. (+88) 303. Fire extinguisher (Lux Press.) 20 1bs. (+2) 304. Releasable cabin door Neglect weight 305. Puncture proof tubes 6 1bs.* (+3) 306. Landing lights (Grimes) and wiring 14 1bs. (+14) 307. Special polish on wings 10 1bs. * (+36) 308. Camera hole in cabin floor. 4 lbs.* (+33) 309. Bonding 4 1bs. (+80) 310. Shielding (a) Packard 9 Ibs. (-44) (b) Breeze (standard on SR-8E) 13 1bs. (-44) 311. Parachute (a) Passenger chair 122 at 20 125. (+18) (b) (+62) 312. (a) Radio receiver (RCA AVR-7 series) (rear wall of cabin) 24 1bs. (+66) (b) Radio transmitter (RCA AVT-7 series) (Transmitter on catin back wall and power unit at instrument panel.) 30 lbs. (+31) (c) installation Radio compass (RCA AVR-8) 62 lbs. (+54) (d) Antenna 313. Automatic valve gear lubrication (standard on SR-8E) 7 1bs.* (-51) 314. Ski type fuselage (Drawing F-3274) 7 1bs. * (+12) 315. Ski type landing gear 14 1bs. * (+6) 316. Lifting hooks, tog and mooring lights 7 lbs.* 317. Starter (Eclipse E-160, 32 1bs.) 7 lks.* 318. oil cooler 12 1bs. 319- constant speed propeller control unit (low pitch setting 12.75 degrees) 6 1ts.* 320. Reinforcement for lower lift strut yokes (one on each side of fuselage) per either of Stinson Drawing numbers 2-2276, 2-2315, 2-2328, 2-2336 ox F-3440 4 lbs.* 321. Wing lift fitting alteration in accordance with Stinson Drawing 2-3515 322. Curtiss propeller 55503 (Model SR-8 E) beits (instead of 3) on rear seat. Airplanes eligible are approved also as "-place type with two safety NOTE 2. Eligible for export as follows subject to inspectior for equipmert specified in Chapter XII of Inspection Handbook (6/29/38): - Seaplane - Maximum standard weight 4000 1bs. - Skiplane - not eligible. However, structure complies with Canadian requirements for ski installation when items 314 and 315 are (t) All other countries except Australia. This series differs from the series with Lycoming engines (ATC 608) as follows: Fuel lines 3/8 in. on ATC 608 and 1/2 in. on ATC 609. Items 101. 110 and 152 differ as noted. Power plant installation (including oil cooler) differ. II - MODEI SR-8D (UC-81B), DESIGNATION 5 PCI-SM (See NOTE 1) Engine Wright R760E-1 Placard limits Maximum, except take-off -- in. Hg., 2100 pm (285 hp) Take-off (one minute) -- in. Hg.. 2100 rpm (285 hp) Weights Empty - Use actual (seaplane approximately 329 lbs. increase over landplane) Standard - (Landplane) 3800 1bs.; (Seaplane) 4000 1bs. III - MODEL SR-BE, DESIGNATION 5 PCI-SM (See NOTE 1) (Same as SR-8D except engine and items 310(b) and 313) Engine Wright R760E-2 Placard limits Maximum, except take-off 32 in. Hg., 2200 rpm (285 hp) Take-off (one minute) -- in. Hg., 2400 rpm (350 hp) weights Empty - Use actual (seaplane approximately 329 lbs. increase over landplane) Standard - (Landplane) 3800 1bs.; (Seaplane) 4210 1bs.