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ROTO 85 FSI 85cc inline 4-stroke gas engine for rc model airplanes.

 Output Power  

 hp / kW


 25x10, 26x12


 2800g/ g (excl./incl. ignition)  

  Delivery includes: 2 x spark plug, ignition.

Technical  Specification:  
 Displacement                     (Cylinder Inhoud)  85  ccm                   

 Output Power                             (Vermogen) 

 ~4.5  hp


 Static Thrust  13  kg
 Speed Range                               (Toerental)  1000 - 5800

 rpm (omw/min)

 Propeller  25x10 .. 26x12   inch
 Ignition power supply   (Spanning ontsteking)  4 - 9  Volt
 Propellor shaft    mm 
 Crankshaft mount thread    mm 
 Gas/Oil mix ratio       (Brandstof verhouding)  40 : 1  gas : oil
 Engine                    (including mounting HW)  2800  gram
 Mufflers                                                   gram 
 Ignition    gram 
 User Manual           (Gebruikers Handleiding)  Instruction manual
 Approx. Fuel Flow  
 Link to Manufacturer  ROTO
 ROTO Spare Parts


The ROTO 85 FSI 4-stroke inline gas engine from ROTO is especially developped for scale models which need an inline gas engine like the Spitfire, P-51 Mustang, Typhoon, ME 109, FW 190, P-39, P-40 Warhawk, Hawker Hurricane, JU-87 Stuka  etc.


Detailed overview of the delivery of the ROTO 85 FSI inline gas engine:

Dimensions of engine:






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