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Tower Catalog Page:	194
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                 This is the O.S. Max .25LA-S Natural Finish
                       Control Line Engine with Muffler.

FEATURES: LA-S series engines Control Line engines replace the Carburetor with
            a Venturi that keeps the engine running at a constant speed
          Remote Needle Valve reduces chance of injury from spinning props
          Nylon backplate mount and ratchet spring help hold settings against
            "creep" caused by vibration
          An O-ring helps seal the needle from fuel and air leaks
          Heavy-duty webbing reinforces the one-piece crankcase in high stress
            areas.
          TWO YEAR WARRANTY against manufacturing defects in parts and workman-
            ship

INCLUDES: One .25LA-S Control Line Engine with #E-2030 Muffler
          Two 2.5 x 24mm Phillips head muffler mounting screws
          #A3 Glow Plug (OSMG2690)
          Decal Sheet
          Instruction Manual

REQUIRES: Fuel: 10% to 20% Nitro and 18% lubricant content is recommended
          Prop: Break in: 9x6
                Aerobatic and Sport:  9x6, 10x5

SPECS:    Displacement:  4.07cc (.249 cu in)
          Bore:          18mm   (.709")
          Stroke:        16mm   (.630")
          Output:        0.6 bhp @ 15,000 RPM
          Practical RPM: 2,000 - 16,000 RPM
          Weight:        185.5g (6.54oz)
          Crankshaft size: 1/4-28
          Distance between mounting tabs: 1.89" (48mm)
          Distance between mounting holes on opposite side: 1.46" (37mm)
          Distance between mounting holes on same side:      .59" (15mm)
          Width of crankcase below mounting tabs:           1.10" (28mm)
          Height from bottom of crankcase to top/cylinder head: 2.93" (74.4mm)
          Length from end of crankshaft to backplate: 3.43" (87.1mm)

          Needle Settings: High Speed: 1.5 turns out from fully closed
                           Mixture Control (low speed): Tip of the needle half
                                       way across the small hole in the front
                                       of the carb
                                                                    tlw 6/22/07
                                                                         ir/jxs
                                                                updt lmm 4/6/09



– If you need more information, use these O.S. resources –

E-mail: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970


 
Postal Address:
O.S.
3002 N. APOLLO DRIVE, SUITE #1
CHAMPAIGN, IL 61822  








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