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Timing questions on the 2015 R60F, R75F and R90F Novarossi Aircraft Engines

Question:  Hi I'm interested in understanding what the timing is on the 2015 Novarossi R60F, R75F and R90F engines.  I believe the Speed 13 engine has 185 degrees of exhaust timing.  Is the timing the same on the other engines?  Thank you.   Answer:  So, Timing on these engines is around 160 degrees.  This timing configuration provides a good compromise...

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Novarossi R75 Aircraft Engine carb and in-flight adjustment questions

Question:I received my novarossi r75f the other day, thanks very much, great engine.Can I ask you a few questions about the carburettor.1) I have noticed the in flight needle arm is of a reversed thread, is that true,  you turn it clockwise to richen it and anticlockwise to lean it.2) I have unscrewed the inflight needle valve arm right out in clockwise direction...

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Novarossi R46CR & R46F Pylon Engine Propeller questions

Question:   We have novarossi model R46CR Use pipe novarossi and oil cosmo 15%  we useApc propller  8.8 x 9.5  = 18300 rpm   We have novarossi model R46F pylon Use new pipe novarossi (cod.50901) and with carburettor code 10345 (10mm)  oil cosmo 15% we Use Apc propller  8.8 x 9.5  = 16000 rpm        2.1 we change 03951 - 03953  (0.1...

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How to Tighten Head Bolts on Novarossi Engines

The method head bolts are tightened is very critical for Novarossi model airplane engines.  When tightening bolts, a cross pattern method should be used to ensure similar force is being applied to the head as "flatly" as possible.  Start first with the bolt at 12 o’clock and then the opposite one at 6 o’clock, the the next bolt at 1 o'clock...

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