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Novarossi R46 Pylon testing on a 40 sized Pattern plan - Props & RPM range

We received this commentary from a Planethobby / Novarossi field rep that test engines for us.  He received the Novarossi R46 Pylon Engine configured with the 10mm carb.  Below are his notes for your assistance in configuring and designing a power plant for today's .40 size airplanes.  This engine is the pinnacle of design in Italian racing engines.  Small features such...

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Racing with the Novarossi RFX15TC RFX15TV and the Turbo Plug

We recently received this question from a Pilot interested in the Novarossi. Question: Hello, I'm interested in the RFX 15TC and the RFX 15TV engine.  I was thinking of using without a tuned pipe on suction with the 7mm venturi. Do you know how much power I could expect and at what revs?  I'll be racing the engine in speed events.     Answer:...

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Running the Novarossi Speeed/13 on low and no nitro

Question: Hello, I've been following your Novarossi Speed/13 engine here in the USA and was wondering how well the engine runs on no nitro to 5% nitro fuels as compared to the older Rossi 61 with the 3+2 porting?  I'm really looking forward to running one of these engines in my Classic Pattern ship, it's got all the markings of...

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Which Novarossi engine for a 60 sized control line ship

Question:  Hello, I'm building a 60 sized control line ship and want to run a Novarossi engine on the plane.  Can you recommend the best engine for this application.  Thank you!   Answer:  Thanks for contacting us with your Novarossi questions.  We believe the R60CR is the  best choice of Novarossi engines available given the need for side exhaust with tuned...

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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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