O.S. Engine OSMG0066 65LA Sport Glow Engine  [OSMG0066]

O.S. Engine 65LA
Price:
NZD$0.00
Brand:
O.S. Engine
Model:
OSMG0066
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Compact sport power with the O.S. Engine 65LA

The O.S. Engine 65LA brings a focus on consistent throttle response and endurance for model aircraft pilots. It aims to provide smooth operation across a wide RPM range for everyday sport flying.

Enhanced finning for better heat control

This engine features a larger fin area to shed heat more efficiently during extended flights. That heat management helps preserve internal tolerances and supports dependable running over time.

Strength where it matters

The crankcase includes extra webbing at stressed points to improve impact resistance and longevity, which is useful for pilots still refining their stick-and-rudder skills.

Fuel system built for easy handling

The O ring sealed needle valve gives a precise adjustment feel and helps retain settings. An upward fuel inlet simplifies topping up and draining, saving time on the flightline.

Specifications

  • Displacement: 0.662 cu in (10.85 cc)
  • Bore: 0.944 in (24 mm)
  • Stroke: 0.925 in (23.5 mm)
  • Practical RPM: 2,000-16,000
  • Output: 1.7 hp @ 16,000 rpm
  • Weight: 18.0 oz (510 g)
  • Recommended Props: 12x7, 12x8, 13x6, 13x7, 13x8

With its combination of cooling, strengthened casing, and neat fuel controls, the 65LA suits pilots who want a reliable engine that is easy to maintain between flying sessions.

Yes, the 65LA's durability and torque make it a practical choice for larger trainers, provided the airframe supports the recommended props and mounting pattern.
Use a quality glow fuel formulated for model aircraft engines and follow the engine break-in and running guidance from experienced hobbyists or manufacturers.
Start with a conservative rich setting, run the engine through a few heat cycles, and gradually lean to recommended cruise settings while monitoring temperature and response.
Common service items like gaskets, needles and prop hardware are widely stocked by hobby shops and online parts suppliers for this engine class.
The 65LA provides a usable powerband for sport aerobatics; match prop choice and fuel settings to the aircraft for best results.

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