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25 V (2-stroke) gasoline engine - ROTO Motor
Gross price: 251,46 €

25 V (2-stroke) gasoline engine - ROTO Motor

  • Producer: ROTO Motor
  • Catalog Number: 20099412
  • Catalog no: 03-0503
  • Compare product: Out of stock
  • Date of adding: 13-04-2017

ROTO Motor

ROTO 25 V - single cylinder two stroke gasoline RC airplane engine

ROTO 25 V is single cylinder 2 stroke gasoline RC airplane engine made specifically for the model airplanes up to 2,3 m and 12 kg

ROTO motor 25 V is single cylinder  2 stroke  gasoline engine made specifically for the model  airplanes up to 2,3 m (7,6’) and 12 kg (26.5 lb). These dates are for recreational flying.

The Engine was developed in Europe with the assistance of CAD systems (Solidworks) and optimized for the liquid flow in the Flow software (made by Solidworks).

All ROTO engines and its components are made and programed by utilizing the state of art 5 axis machinery made by American companies HASS and Siemens NX.

Every engine, made by ROTO MOTOR Company is bench tested and adjusted by qualified technician on the Engine Star equipment to ensure its peak performance.

Manufacturing technology ROTO 25 V

  • Crank case (kit) – it is rough-worked of the cast at the CNC milling cutter. After that it is covered or slashed with a special colour.
  • Cylinder (roll) – it is made of one piece of dural with pressed insole from the mild-granular cast iron, it is sharpened and honed to the correct size.
  • Piston – it is casted from silicon alloy with one sealing circle. The aparature for the bung 8 mm is honed.
  • Piston rod – it is forging, which is completely worked. Two needle focuses are moulded into piston rod, it is made for the piston and cranked bung.
  • Crank shaft – it is made of one piece of steel, it is cemented and hardened and it is completely sharpened.
  • Back lid of the engine – it is worked casting, in which is hardened and sharpened rolled slide - valve layed.

Set contains:

  • ROTO 25 V engine (spark plug & Walbro carburetor mounted)
  • Electronic ignition system
  • Muffler
  • Wrench set

Stock No. 03-0503

Technical data
Weight: 1100 g
Capacity: 24,9 ccm
Prop. recommended: 18x10 - 19x10 (2-blade)
Bore: 34 mm
Static thrust: 7,5 kg
Fuel: Gasoline + Motul 600 oil in 1:50 ratio
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25 V (2-stroke) gasoline engine - ROTO Motor (20099412)
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