TCDS TC 687

MODEIS: Iuscombe 4, 2 PCIM I.C. NUMBER: 687 Engine Warner Scarab Jr. Placard limits Maximum, except take-off -- in. Hg.. 2025 Ipm (90 hp) Take-off (one minute) -- in. Hg.. 2025 rpm (90 hp) Propeller Maximum permissible diameter 87 in. Placard speeds Level flight or climb - 136 mph True Ind. Glide or dive - 184 mph True Ind. Flaps extended - 98 mph True Ind. Fuel capacity 31 gallons (two 15-1/2 gallon tanks in wings) (+24) oil capacity ¿ gallons (-17) No. fassengers 1 (+21) Baggage 60 1bs- (+40) (May be increased to 106 lbs. when substantiated by weight, and balance report.) Standard weight 1650 1bs. C.G. limits (+16) and (+18.73) Spec. basis Type Certificate No. 687 Production Certificate No. 5 Serial Numbers 400 and up manufactured prior to 7/16/41 eligible. Approval expired as of that date. EQUIPMENT: (Datum is wing leading edge) (* Means net increase) Class I: 101. Engine ring cowl 102. 3 inch wheels and brakes (Goodyear 3-IMBM) with 18x8-3 H.D. tires 36 1ks. (+7) 103. Tail skid 104. Propeller - wood (fixed or adj. pitch) 24 1bs. (-40) 105. Carburetor air heater Class II: 200. Miscellaneous items as noted i pproved weight and balance report 201. Shielding 5 ibs. (-27) 202. Radio (RCA AVR-10) 9 1bs. (-6) 203. Battery (Reading 12V) 26 1bs. (+36) Class III: 301. Propeller - adj. metal (Hamilton Standard hub 7005, blades 25V2-0) 10 lbs.* (-40) 302. 6.50-10 wheels (Warner M-3270) and tires 21 1bs.* (+7) 303. Additional instruments 2 Ibs. 1-21 NOTE 1. Eligible for export as follows subject to inspection for equipment specified in Chapter XII of Inspection Handbood (7/16/41): - Landplane - skiplane - not eligible. (b) All other countries except Australia, Great Britain and New Zealand. NOTE 2. Approval of tail wheel appended to skid spring as outlined in SI-175 not applicable to this airplane without additional techanical data showing that auch wheel does not strike fuselage bottom structure or rudder in drop tests as outlined in CAR 04.2420.