O.S. Engine OSMG1447 46LA-S Classic Control-Line Engine  [OSMG1447]

O.S. Engine 46LA-S
Price:
£0.00
Brand:
O.S. Engine
Model:
OSMG1447
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Reliable Running from the O.S. Engine OSMG1447 46LA-S

Experienced control-line pilots will recognise the engineered consistency of the O.S. Engine OSMG1447 46LA-S. It brings O.S. build quality to a layout tailored for dependable, repeatable flight performance.

Engineered for Smooth Throttle Response

The venturi arrangement on the O.S. Engine 46LA-S helps maintain steady rpm during patterns, which supports precise control. The rear-mounted needle valve also reduces the risk of damage and makes field tuning straightforward.

Strong Components and Enhanced Cooling

The 46LA-S uses a nylon backplate mount and ratchet spring to keep settings locked under vibration. With heavy-duty webbing reinforcing the crankcase and a squared heat sink head offering extra fin area, cooling is improved and component life extended.

Specifications

  • Displacement: 0.467 cu in (7.64 cc)
  • Bore: 0.906 in (23.0 mm)
  • Stroke: 0.724 in (18.4 mm)
  • Practical RPM: 2,000-16,000
  • Output: 1.2 hp @ 15,000 rpm
  • Weight: 9.29 oz (263.5 g)
  • Recommended Props: 11x6, 11x7, 12x5, 12x6

Overall, the O.S. Engine 46LA-S is well suited to pilots who want a tough, easy to tune control-line engine that holds settings and cools efficiently.

Do I need special tools to set up the 46LA-S?

No specialist tools are required beyond common model workshop kit. Basic wrenches, a prop balancer and a reliable needle driver are usually sufficient for setup and maintenance.

How do I prevent overheating on long flights?

Ensure the fins are clean and unobstructed, use the correct prop to avoid excessive load, and allow brief cooling periods between high demand flights if possible.

Is the 46LA-S suitable for competition flying?

Its steady power delivery and protected needle assembly make it a solid candidate for many control-line events. Match the prop and tune carefully to meet the specific requirements of your routine.

What regular checks keep this engine reliable?

Regularly check the backplate mount, inspect the ratchet spring, keep the cooling fins clear and use quality fuel. Periodic strip and inspection will catch wear early and preserve long term performance.

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