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HelicopterRobbe Cuatro - Millennium - Nova - Dyna-X › Conquest with Novarossi 53
09-03-2003 02:26 PM  14 years agoPost 1
Dixie

rrApprentice

Somerset, England

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I have got a Conquest and XXL, both with Novarossi 53's. I am currently running on straight Coolpower fuel, will the Nova except 5% nitro??? I have a few gallons of 10% so could mix some with straight and get 5%. May not be an exact science but will be close enough. Also does anyone have any advice on the Nova 53?? apart from throw it away and buy an O.S.

Dixie

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09-03-2003 04:43 PM  14 years agoPost 2
Futurac

rrKey Veteran

Belgium , Europe

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Nova 53

Nova rossi engines are part of Rossi family,
they are mostly specialized in Cars engines, but as well did some for Helis.
those are High compressiona motors, so i wouldnt run more then 10% nitro on it.
according to some guys, they were hard to tune, but as well they are very powerfull.
i agree that its not the most simple engine to tune... but as far as it working, use it.

Alex (Formerly Known as RCMarket )

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09-03-2003 05:40 PM  14 years agoPost 3
Kristjan

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Estonia, Tallinn

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Aren`t these engines made by two brothers?

Ugo (Rossi) - has made engines over 30 years
Cesare (Novarossi) - formed in 1987

Sad to say but Ugo Rossi passed away November 2002


Dixie
I had a Robbe Moskito XXL with a 8 ccm Novarossi engine. It ran for three whole years. So yes if your engine is running well, use it to the end. Then get a new engine.

Kristjan

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09-04-2003 10:27 AM  14 years agoPost 4
Dixie

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Somerset, England

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Novarossi 53 in a Mossi

Thanks for info, the 53 in the XXL seems to be fine, starts first turn, the needle is about 1 and a half turns out and running quite rich with a Enya 3 plug and straight fuel. Going to try 5% on the Conquest, it is a new engine so will be able to run it a little richer. Are these engines as powerful as asn OS 50???

Thanks

Dixie

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09-05-2003 02:52 AM  14 years agoPost 5
bobcnz

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Tauranga, New Zealand

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I would say they are at least as powerful as the OS 50, and are harder wearing. As to being hard to tune, the only difference is that the needles are usually less sensitive, so you can have a bigger range to get the better tuning.

I personally dont run any nitro, and the engines idle fine without as well. I think they are initially shimmed to take 5 % nitro, and I like running 18% Coolpower.

Cheers
Bob

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HelicopterRobbe Cuatro - Millennium - Nova - Dyna-X › Conquest with Novarossi 53
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