SIMONINI MINI 2 Manual
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SIMONINI MINI 2 Manual

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MINI 2
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Summary of Contents for SIMONINI MINI 2

  • Page 1 MINI 2 Page 1...

  • Page 2: Compression Ratio

    TECHNICAL DATA BORE 66,4mm STROKE 58mm DISPLACEMENT 202 cc COMPRESSION RATIO 10,5/1 Weight ready to fly 18,300 kg CONSUMPTION AT 5000RPM 2,5litres/hour POWER 7500RPM 26hp STATIC THRUST Over 80Kg Lamellar intake with Walbro Carburetor WB37 Aluminum cylinder with ceramic coating magnesium, Exhaust resonance Poly-V belt reduction Electronic ignition...
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  • Page 5: Tightening Torques

    MINI2PLUS/01 RECTIFIER RE-CHARGE BATTERY MINI2PLUS/36 BEARINGS SPACER MINI2PLUS/02 COIL MINI2PLUS/37 PULLEY SEEGER MINI2PLUS/03 KIT SCREWS FOR HEAD (4) MINI2PLUS/38 ECCENTRIC PINION MINI2PLUS/04 CYLINDER HEAD MINI2PLUS/40 KIT SEALS ( 2 ) MINI2PLUS/05 CYLINDER HEAD GASKET MINI2PLUS/41 KIT BEARINGS FOR CRANKCASE ( 2 ) MINI2PLUS/06 KIT SCREWS FOR CYLINDER (4) OLD TYPE 4304-6304/C3 - NEW 4205-6205/C3...
  • Page 6 The MINI 2 PLUS engine must be fitted to the frame using its four elastic supports "silent blocks", radial mounted: two are positioned on the head and two on the blue ergal plate. During the installation, some safety precautions must be made: remember that an engine generates vibrations, even if very few, which can cause the loosening and/or removal of screws or any other object.
  • Page 7 FUEL The MINI 2 PLUS engine is designed to operate with a gasoline/oil mixture. We recommend using a semi-synthetic oil (for example, BARDAHL with API TC specification) that, although inferior to a pure synthetic, remains mixed with gasoline in the tank for a longer period. It grants good lubrication and longer life to engine components.
  • Page 8 CARBURATION NB: in this paragraph the words "MIXTURE" indicates the union of the two elements (AIR) + (OIL/GASOLINE) which takes place inside the carburetor. Weather conditions or altitude changes have influence to the operation of the engine as it varies the air density and, consequently, changes the mix ratio between the element AIR and the element OIL /GASOLINE.
  • Page 9 Once you order a MINI 2 PLUS, you should pay particular attention to the first hour of operation, in order to ensure all the engine’s qualities over time. DURING THE RUNNING-IN PHASE, KEEP PARTICULAR ATTENTION TO THE EXHAUST GAS TEMPERATURE AND HEAD TEMPERATURE UNDER CONTINUOUS OBSERVATION.

  • Page 10: Maintenance

    MAINTENANCE Each time you use the engine, remember to perform routine checks pre-start-up: • Check the silent block condition in complete integrity • Make sure the exhaust does not present any cracks • Ensure that the propeller does not present cracks or dents •...
  • Page 11 depression tube may be damaged by atmospheric agents. Their durability can therefore be different from what is reported, you should therefore check their condition and provide a possible replacement even outside the agreed time. INTERVENTIONS EVERY 200 HOURS • Replace all the bearings (N°41 + N°35) •...
  • Page 12 piston: • - There must not be any signs of seizure or deep cracks. - Check the wear by measuring the piston at 18.5mm from the bottom keeping the measuring instrument at right angles to the axis pin. Height limits: SELECTION A: 66.290mm SELECTION B: 66.300mm SELECTION C: 66.310mm...
  • Page 13 • Measure the bearing seating, which must not be lower than the height limit: 24.98mm • Check with a feeler gauge that the axle slack of the connecting-rod between the two semi shaft, which must not exceed the height limit: 0.6mm •...
  • Page 14 TEMPERATURE The MINI 2 PLUS has been designed to work under certain operating temperatures: so please stick strictly as written. Temperatures that must not be exceeded when cruising or when the engine is at a fixed rpm for a long time: •...

  • Page 15: Maintenance Tools

    COMPONENTS AND TOOLS ON REQUEST To have the possibility to customize the engine and then adapt it to different needs and methods of use, SIMONINI offers a range of components on request: PINION ▪ In different diameters (57/56/55/53/44) as well as providing the proper...
  • Page 16 • any previous repairs • carburetion setting • complete description of the problem Thank you for your trust and we remind you that the staff of SIMONINI RACING srl will be at your disposal for any questions. SIMONINI RACING SRL Via per Marano 4303, Loc.

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