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-   -   NOVAROSSI Engine thread.... (https://www.rctech.net/forum/offroad-nitro-engine-forum/353301-novarossi-engine-thread.html)

Winner's Circle 02-22-2019 02:31 PM


Originally Posted by Thats Bats (Post 15399648)
Lots of good info on here . Just bought a Roma using a dynamite 053. I know its not the best pipe but it’s what I could afford. Anything is better than the stock losi pipe tho. I’m very new to nitro and just want to break this in right. I have ran 2 tanks at idle through it. Temps only at 160. The thing is spitting fuel out the exhaust like no other but novarossi says don’t touch the needles till after 10 tanks . It’s like 10 degrees f outside and inside the building I’d say its about 48 - 55 degrees f on a “warm” day but trust me its been colder in there. Should I lean the hsn a bit? Change plugs? For some reason I’m scared to touch the needles and mess it up.

The pipe you got is a good pipe. I run the 9853 which is the same as your 053 pipe. The key to engine power lies more in the header than in the pipe. The pipe makes a difference but not as much in my opinion as the header. I suggest that you purchase the Nova Rossi 41031 conical header 41031 . This will provide all the power you will ever want across the entire power band at the expense of using a bit more fuel.

You need to get the engine hotter. A cold break-in is not a good thing. 200+ is where it needs to be and this can be achieved by leaning (turn clockwise) the low speed needle. Getting the temp right is important.

Lee

RCTecher12 02-22-2019 05:05 PM


Originally Posted by HaulinBass (Post 15400779)
novarossi manual? lol the one page of broken english?
nova breaks motors in running them 32000-36000 rpm for 20-22 minutes at temp, not my first choice but its certainly a looooong way from idling.
The tessmann method IMO is the best way to break in, I have yet to try ebis/oil bath motors but ive tried just about every other and it seems they all sacrifice longevity to get the motor ready to race sooner. cant say ive ever idled more than a tank on the box though

The manual page in my link seems pretty straight forward to me. A far cry from 32,000rpm too. At no point do they say to idle for any period. They say to run an oily fuel. And run the engine slow in the car at first and gradually lean it out and increase rpm. That’s about as straightforward as it gets. These engines don’t need to be babied for 2 gallons. Run 2-3 tanks with oily fuel and at operating temp, and go race. Forget the EBIS, forget the idling on the box. Run the damn thing for crying out loud. It’s not a china doll!

Chad Millikan 02-23-2019 12:41 PM

No matter what you ask you'll get a ton of different views and methods I suggest reading the braking Bible on the from page . You can also watch the video of Adam Drake done by Jason at shortcourseworld. And the tessmann videos are long, I haven't watched the entire thing .But with it being that cold outside, you should have some foil or something to keep the engine warmer. 200° F is a good rule of thumb to break it in at .

RCTecher12 02-23-2019 02:21 PM

Nearly all of those bandwagon methods involves idling the engine for a tank or three. If you don’t care about how long the engine lasts, then it doesn’t matter what you do. Have your cat break your engine in then. If you care about how long the engine lasts and want the best performance from it, follow what the manufacturer recommends. Novarossi has been making model engines for a long ass time. They know a thing or two...

But hey, they’re your engines.

Roelof 02-23-2019 02:56 PM


Originally Posted by SlowLST2 (Post 15401346)
Nearly all of those bandwagon methods involves idling the engine for a tank or three. If you don’t care about how long the engine lasts, then it doesn’t matter what you do. Have your cat break your engine in then. If you care about how long the engine lasts and want the best performance from it, follow what the manufacturer recommends. Novarossi has been making model engines for a long ass time. They know a thing or two...

But hey, they’re your engines.

You think? Those factory break-in manuals are that carefull that they always do the job but you will never know if they are the best for the best results and lifespan.
All 1001 break in methodes do work but if you want the best then you should know all factors like which materials, the tightness of the pinch and the depth og the surface roughness to setup a plan how to deal with it. And even then it is the question if it is the best. Due tolerances no 2 engines are the same and so no break in and its results are the same.

Chad Millikan 02-23-2019 05:25 PM


Originally Posted by SlowLST2 (Post 15401346)
Nearly all of those bandwagon methods involves idling the engine for a tank or three. If you don’t care about how long the engine lasts, then it doesn’t matter what you do. Have your cat break your engine in then. If you care about how long the engine lasts and want the best performance from it, follow what the manufacturer recommends. Novarossi has been making model engines for a long ass time. They know a thing or two...

But hey, they’re your engines.

There is a video that RCDriver put together at the Novarossi factory with the guy from Novarossi direct

https://m.youtube.com/watch?v=PSS1Z7wtVmQ&t=1s

RCTecher12 02-23-2019 07:06 PM

I’m glad that video was posted. Thank you for that. What they do in their engine room is actually the best thing for an ABC engine for break-in. Of course car guys tend to be paranoid and would never think of using such a process, but it’s been done that way on airplanes since day 1.

What the manual from Novarossi outlines is the safe way that anyone can follow and get to work. Certainly a far cry from what I call the “bandwagon” methods though.

So in a way, I stand corrected to a point. In another way, they’re doing what I’ve been flamed for in the past. Keep it rich, keep it warm, and run the damn thing.

Oh, and Allen at PlanetHobby is a swell guy. Customer service is 1000% better than Nova Direct.

Roelof 02-24-2019 01:59 AM

Before people start to copy that High RPM break in proces, let me remind you that airplaines are used to run on 15 to 20% lubrication and you will never know the lubrication of the fuel used in that vid but I doubt it is a car fuel with arround 10% oil.

RCTecher12 02-24-2019 05:19 AM


Originally Posted by Roelof (Post 15401573)
Before people start to copy that High RPM break in proces, let me remind you that airplaines are used to run on 15 to 20% lubrication and you will never know the lubrication of the fuel used in that vid but I doubt it is a car fuel with arround 10% oil.

Yep. 20-25% oil is what I use to break in my airplane engines and I would use no less than 15% oil in a car engine. I break my car engines in on 14% oil in the car for the first quart and drop 1% oil per quart until I’m at 11% oil.

sebtarta 02-28-2019 01:18 PM

What are we using for throttle return? Spring, the silicone o rings? hair tie?

Chris Reilly 02-28-2019 02:44 PM

Hair tie

Jomo918 03-01-2019 06:16 AM

Not sure about the history of EB Mods Kinetic engine since im just getting back into the hobby but thought i would post this here since its a NOVA engine with 8-ports. Ed's got them listed on EBAY right now for 149.99 shipped which is a great price. Figured someone might be looking for NOVA without paying over 200. I would get one but just bought 2 new engines before i saw it.
https://www.ebay.com/itm/Kinetic-R-C...e/332245680956

Pedro Jesus 03-01-2019 12:05 PM

[QUOTE = Jomo918; 15405212] Não tenho certeza sobre a história do mecanismo Kinetic do EB Mods, já que estou voltando para o hobby, mas pensei em postar isso aqui, já que é um mecanismo NOVA com 8 portas. Ed tem-los listados no EBAY agora para 149,99 enviados, que é um ótimo preço. Imaginei que alguém poderia estar procurando NOVA sem pagar mais de 200. Eu compraria um, mas acabei de comprar dois novos motores antes de vê-lo.
https://www.ebay.com/itm/Kinetic-RC-GR8-21-EB-Spec-Novarossi-Engine/332245680956 [/ CITAÇÕES]



I think there is a topic of this engine here in the forum.

Pedro Jesus 03-05-2019 06:03 AM

What differences does the two Novarossi?
51006M EFRA 9901 and 51006 EFRA 9901?

kgombe 03-05-2019 07:03 AM


Originally Posted by Pedro Jesus (Post 15407870)
What differences does the two Novarossi?
51006M EFRA 9901 and 51006 EFRA 9901?

51006M is the thin walled pipe with reinforced stinger. 51006 same pipe but no reinforcement.

i believe both pipes are discontinued by manufacturer and the 51016 is the only version available, this is the super strong pipe.


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