Standed engines
S08534720
O.S. ENGINES

Radio-controlled FS ALPHA 72 thermal engine

Radio heat engine FS Alpha 72 | Scientific-MHD
Radio heat engine FS Alpha 72 | Scientific-MHD
Radio heat engine FS Alpha 72 | Scientific-MHD
Radio heat engine FS Alpha 72 | Scientific-MHD
  • Out of production

O.S. is a leader in 4-stroke engine technology, and you will feel it as soon as you install the FSa-72II in your model.

Sport pilots will benefit from increased power, while scale model enthusiasts will appreciate the deep and realistic sound of the FSa-72II, enhancing the flight experience.

New enhancements make the popular FS-72 an even more powerful engine option.
The ventilation fitting on the crankcase cover ensures more stable operation.
The black rocker cover gives the engine a more impressive look.
The F-5030 muffler can be positioned to fit the model perfectly.
The engine retains the same installation dimensions as the FS-72a and fits all models designed for it, without modification.

€300.96 VAT included
Out-of-Stock
Radio heat engine FS Alpha 72 | Scientific-MHD

Radio-controlled FS ALPHA 72 thermal engine

Plus de details Out-of-Stock

Radio-controlled FS ALPHA 72 thermal engine

€300.96
Fast shipping Via Chronopost 24H Via DPD 24/48H Colissimo 48/72H
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Engine replaced by the new O.S. FSa-72II (34721) from November 2020. High-performance 4-stroke engine for use on airplanes. Very high manufacturing quality to consistently achieve unparalleled performance and impeccable reliability, which are the main characteristics of O.S. engines, the world's leading manufacturer of engines for model aircraft. Great operating flexibility, low noise level, and low fuel consumption are the major advantages of 4-stroke engines.

Technical Specifications

  • Longitudinal mounting hole spacing: 20 mm
  • Transverse mounting hole spacing: 45 mm
  • Manufacturer reference: OS34721
  • Type: 4-stroke nitro
  • Fixing hole diameter: 3.7 mm
  • Bore: 27.0 mm
  • Speed range: approx. 2,400 – 12,500 rpm
  • Recommended propeller: 12x7 – 14x7
  • Total weight: 476 g
  • Height: approx. 108 mm
  • Stroke: 20.6 mm
  • Displacement: 11.8 cc
  • Length to hub: 148 mm
  • Power: 0.89 kW (1.2 hp) at 11,000 rpm
  • Carburetor: 61N
  • Shaft diameter: 6.1 mm
  • Shaft thread: UNF 1/4-28
Motor use
Planes
Engine displacement
4-15ccy stroke
Engines
Thermal
Level of use/difficulty
Thermal
Product types
Motors and variators for radio -controlled models
States
Out of production
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