Scout Helicopter Liquid cooling engine IOX-390LS

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Liquid cooling provides:
1) Decrease the fuel flow up to 30% (20% optimal mixture, 3,5% by cold engine, 6,5% by the removing of cooling fan in helicopter edition)
2) Using super chargers to increase power and altitude stabilization
3) Temperature stabilization (power of the engine less depends on outside air temperature)
4) Increase TBO period
5 )Decrease noise
6) allow using Automotive Fuel (instead avgas)
7) Easy service and maintains