TCDS TC 636

SIEWART AIRCRAFT INDUSTRIES, INC. MODELS: Stewart OW6M (formerly Welch), 2 PCLM I.C. NUMBER: 636 Engine Aeronca E-113, E-1134, F-113B or E-113C Fuel 73 minimum octane aviation gasoline Airspeed limits Engine limits For all operations, 2400 rpm (36 hp) Level flight or climb - 75 mph True Ind. Glide or dive - 90 mph True Ind. Propeller limits Maximum permissible diameter 74 inches C.G. range Datum Leading edge of wing Standard weight No. seats Baggage Fuel capacity 9 gallons (two 4-1/2 gallon tanks in wing L.E.) Cil capacity 3/4 gallon (engine sump) Serial numbers eligible 112 and up (See NOTE A) Required equipment Certification basis Type Certificate No. 636 (Aero. Bulletin 7A require- 101. 102. 103 Production basis None (See NOTE A) Eligible for export All countries except Great Britain, Canada, Australia and New Zealand. (Items included under "Required equipment" may not be removed unless replaced by approved equivalent items. be computed and the aircraft operation record revised accordingly. The effect upon balance of all equipment Values in inches shown in parenthesis after each item represents horizontal arms to the C.G. of the item measured minus (-) ahead and plus (+) to the rear (*) or minus (-) sign preceding the weight of an optional net weight change between that item and the equivalent Propellers and Propeller Accessories 103- Propeller - wood (fixed or adj. pitch) landing Gear and Floats 101- 16x7-3 wheels (Goodyear 3NBA) 12 1bs. 102. 6x2.00 tail wheel 303. Hartman Model "C" (formerly Welch) cushion wheel - 1 1b. Miscellaneous (not listed above) Miscellaneous items as noted in approved weight and balance report Parachutes (1 or 2) 0 Ibs. eac Streamlined lift struts -12 1bs. (approximately NOTE A. prior to original certification, each aircraft must satisiactorily pass: (a) An inspection for workmanship, materials and conformity before any covering, metal priming or final finish is applied. All woodwork may be varnished. (b) Final inspection of the completed aircraft. (c) Check of the flight characteristics. NOTE 1. No aircraft of this model shall be eligible for original certificatior with single ignition engines after 8/1/41. In addition, no aircraft of these models shall be eligible for recertification with single ignition engine unless such aircraft were either previously certificated with single ignition engines or were originally certificated prior to 8/1/41.