TCDS 3G1

Page No. 1 2 Rev. No. - - DEPARTMENT OF COMMERCE CIVIL AERONAUTICS ADMINISTRATION 3G1 Sheet 1 UNIVERSITY OF MINNESOTA UMG-3 January 12, 1950 GLIDER SPECIFICATION NO. 3G1 A glider complying with the terms of this specification and conforming with approved data on file with the Civil Aeronautics Administration will be issued an airworthiness certificate when, in the opinion of the Administrator, the glider is in condition for safe operation. Manufacturer: University of Minnesota Minneapolis, Minnesota I - Model UMG-3, 2 PCLM, Approved December 23, 1949 Type Class I Airspeed limits Glide or dive 100 mph True Ind. Airplane tow 100 mph True Ind. Auto-winch tow 67 True Ind. C.G. range Front limit (+25.7) at 970 lbs. Rear limit (+26.8) at 970 lbs. with straight line to (+28.5) at 795 lbs. Datum Leading edge of wing at root Leveling means Four (4) lugs at fuselage panel points Maximum weight 970 lbs. No. of seats 2 (1 at -20), (1 at +22) (Placard: "Solo only from front seat.") Control surface movements Elevator 25° Up 25° Down Aileron 21° Up 21° Down Rudder 15° Right 15° Left Adjustable stabilizer 1° Up Serial Nos. eligible No. 1 and up Required equipment Items 201, 202, 204, 205, 401, 601 and 602 600 700 800 900 1000 21 22 23 24 25 26 27 28 29 FRONT LIMIT REAR LIMIT LBS. INCHES 3G1 2 Specifications Pertinent to All Models Certification basis Glider Type Certificate No. 3G1 (CAR 5) Production basis None. Prior to original certification a CAA representative must perform a detailed inspection for workmanship, materials, and conformity with the approved technical data, and a check of the flight characteristics. Equipment: A plus (+) or minus (-) sign preceding the weight of an item indicates net weight change when that item is installed. Landing Gear 201. 12x5-3 wheel (Goodyear Airwheel Tail wheel) 10 lbs. (+28) 202. 12x5-3 4-ply rating tire (SM) and tube 5 lbs. (+28) 204. Tail skid, Dwg. No. 3042B Use Values as Measured 205. Nose skid, Dwg. No. 6004A 4 lbs. (-20) Interior Equipment 401. Airspeed indicator 402. Extra instruments (a) Front instrument panel 4 lbs. (-40) (b) Rear instrument panel 4 lbs. (- 2) Miscellaneous 601. Non-trimming aileron trailing edge strip, Dwg. No. 2024C 602. Ballast-Variable per NOTES 1 and 2 (-20) NOTE 1. The following placards must be installed in full view of the pilot: (1) "Solo only from front seat." (2) "Instrument flight prohibited." (3) "When flown solo, weight of pilot, parachute and ballast must not be less than 180 lbs. For other loadings, see Loading Schedule." NOTE 2. The following "Loading Schedule" must be displayed: DUAL OPERATION Weight in front seat should be: When weight in rear seat is: Not less than: Not more than: 120 lbs. 165 lbs. 235 lbs. 130 lbs. 165 lbs. 225 lbs. 140 lbs. 165 lbs. 215 lbs. 150 lbs. 160 lbs. 205 lbs. 160 lbs. 160 lbs. 195 lbs. 170 lbs. 160 lbs. 185 lbs. 180 lbs. 160 lbs. 175 lbs. 190 lbs. 155 lbs. 165 lbs. 200 lbs. 155 lbs. 155 lbs. ...END...