This is the Novarossi REX R61F SPEED/13 4-Port Airplane Engine. This model includes a silver crankcase and 10405 10mm Carburetor. The R61F SPEED/13 is an incredibly aggressive powerplant for fixed wing aircraft. The redesigned crankcase and violet cooling head have been combined with a 4-port sleeve and tuned crankshaft to deliver explosive power. The 4-port sleeve features a special shape and positioning of the ports to improve the internal fluid-dynamics, while the crankshaft has been re-designed, then "Factory Tuned" to improve the overall power output. When combined with a CNC machined lightened piston, all these features blend together to deliver maximum performance for your airplane.
- Sleeve: The sleeve has 4 transfer ports. The special shape and positioning of the ports, improve the internal fluid-dynamics and has been combined with a lightened CNC machined piston to deliver the maximum possible performance.
- Crankshaft: This engine has been "Factory Tuned" with a modified crankshaft to further improve the power output.
- Backplate: Updated
- Carburetor: 10405
R.P.M. (max power): 18,000 RPM
Practical Range: 2,000-20,500 R.P.M.
Bore x Stroke: 23x24mm
Sleeve: 4 ports
Rear Ball Bearing: steel
Front Ball Bearing: steel
Carburetor: Aluminum 10405 w/10mm Venturi
Glowplug: Standard Special (C6S)
Exhaust position: Rear
Weight: 620 g
Fuel type: 10% nitro