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HelicopterEngines Plugs Mufflers Fuel › Novarossi Hr57-3d New Heli Engine Generation
09-03-2009 08:39 AM  8 years agoPost 321
ININVERNO

rrApprentice

San Leandro - Ca - USA / Mandello del Lario - IT

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about break-in.
we advise 5 tanks because.
During break-in fly we advise per instruction to run at 80% of max rpm, than approx 16000 with gentile fly, not bough down.
At 16000 rpm, (turns per minute), the fly time per tank is approx 9 / 10 minute in break-in advised fly type.
Than 5 fly will correspond approx 45 minute fly.
In 45-minute fly the coupling will make approx (720.000) turns that are enough for the perfect / break-in adjustment.
In addition, the Novarossi Dyke ring design do not need a log time for seal.

Engine is different.

Than fly after fly you will feel one increment of power and performance and the max will get around after 20 fly after break-in at normal rpm and with normal 3D load.

Dyke ring make the difference, because is placed in top of the piston. With it special L shape, he work as a spring, compensate by the stroke pressure, will expand only will need to make perfect seal/friction.
Only when is necessary will make seal and than he will recover it shape and the piston can slide easily in the coupling without any friction... this is why Novarossi don't sale the separate spare ring, will not necessary change it for normal use as other ring.
Novarossi sale the complete coupling than when very bad damaged the solution is to change everything for easy and perfect service.

About comparison 57 and 50, is not possible, sorry we talk about to engine size, 57 is 9.4 cc and the 50 is 8,6 cc... is like compare 2 cars engine one with 2000 cc and other with 3000...
What we need to do is compare the 57 to OS e YS 55 and 56 will in the market.

TTYL

Luca Invernizzi - ininverno@yahoo.com

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09-03-2009 08:59 AM  8 years agoPost 322
Git

rrVeteran

Brunei

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for existing owners

anyone tried to use this on the novarossi carb? they're the ones im using with my hypers and 91hz ps for auto mix control.

havent recieved mine yet so i cant tell whether they fit or can be made to fit with modifications.

Alees Rush 750

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09-03-2009 09:37 AM  8 years agoPost 323
ININVERNO

rrApprentice

San Leandro - Ca - USA / Mandello del Lario - IT

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Thanks Git
In Novarossi we already makes some prototype of our needles with built-in the carb ADJ arm, and special friction that allow the fine ADJ of the needles without remove the link.

Our kit will available in 3 week from now.

The OS one is different you cannot use it.

TTYL

Luca Invernizzi - ininverno@yahoo.com

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09-03-2009 04:00 PM  8 years agoPost 324
esmoglo

rrKey Veteran

Florida USA

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Ok this engine seems like a winner from what you guys are posting here on RR. Now my question is can you use the sensor from the Spektrum AR7100R? Next up is what about my Align Trex 600 pipe is it a must to change to a different pipe? Is the difference that much?

Ugly can be fixed stupid is forever!

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09-03-2009 04:32 PM  8 years agoPost 325
Git

rrVeteran

Brunei

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Ok this engine seems like a winner from what you guys are posting here on RR.
i certainly hope so. i just paid 268 quid for engine, muffler and express shipping for it two days ago..

cant wait to put it in me 50 fbl.. let see much pitch it can pull a gallon of 30 is ready just for breaking in..

Alees Rush 750

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09-03-2009 04:40 PM  8 years agoPost 326
Wimbledon99

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UK

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Now my question is can you use the sensor from the Spektrum AR7100R?
See earlier in thread. You can 'dremmel' the back plate but not recommended. Novarossi are addressing this but you can use other types of sensor instead.
Next up is what about my Align Trex 600 pipe is it a must to change to a different pipe? Is the difference that much?
Still waiting for someone to offer a comparison. I run the Redline 3D pipe and it's fine. My pal runs a Zimmerman and that too is fine.

Don't want to splash £100 if opinions are not high

3D?? No - just another input error!!!

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09-03-2009 04:42 PM  8 years agoPost 327
esmoglo

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Florida USA

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Cool thanks for getting back. I will wait then I want to use my AR7100R and dont want to mod the back plate.

Ugly can be fixed stupid is forever!

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09-03-2009 04:52 PM  8 years agoPost 328
Ducati996

rrApprentice

Reno, Nevada

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Align Pipe

I was running the Align pipe and it worked very well until the baffle came loose. I was supposed to get my Novarossi pipe last Tuesday but they sold out. Now I have to wait two weeks to get the pipe. we will see how the MP5 runs with this engine.

As far as the 7100R, if you already have magnets on your fan or somewhere else you can use any hall effect sensors with the 7100R and it should work. The revlimiter is just looking for a pulse generated from the changes in the magnetic field.

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09-03-2009 07:05 PM  8 years agoPost 329
esmoglo

rrKey Veteran

Florida USA

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No magnets on my fan. I am sure there will be a fix very soon its a new engine, Why on earth did they not leave any room on the back plate?

Ugly can be fixed stupid is forever!

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09-03-2009 07:47 PM  8 years agoPost 330
rexaholic

rrNovice

United States

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MP5 pipe

My 57 comes in tomorrow. Never owned anything but OS so this is a big leap of faith for me. I'm really curious to hear how the MP5 pipe works for you Ducati...Please keep us posted.

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09-03-2009 08:20 PM  8 years agoPost 331
Ducati996

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Reno, Nevada

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MP5

I will keep you posted on it. There are other pipes out there design for 53-56 size engines like the Hatori pipe. MP5 as we all know was design for 50 size engines. Now dont get me wrong, with the Align pipe I had plenty of power but I think that with the correct Novarossi pipe the engine will be able to strech its legs ( or Hatori $166 @ Helidirect.com)

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09-03-2009 08:33 PM  8 years agoPost 332
bigwolf1

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USA

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yea the REX5 is a nice pipe and you'll get all you can out or it. I haven't even tried any thing else. I bought mine complete with pipe.

I'm with you Rexaholic I've own os ro ys mainly os. So this was new for me too. But I don't think you'll be disapointed at all. Just remember this engine likes to REV!!! 18700rpm--19000rpm. depending on raito.

MAH blade Rep
Trex700LE
Magnum fuels

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09-03-2009 10:27 PM  8 years agoPost 333
Wimbledon99

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UK

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Never owned anything but OS so this is a big leap of faith for me.
Same as me - However, after owning the N57 for some time now, I can say:

I BELIEVE!!

3D?? No - just another input error!!!

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09-04-2009 06:41 PM  8 years agoPost 334
Ducati996

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Reno, Nevada

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MP5 Update

Yes you can use and the performance will be very good, just like with the Align Pipe. Now to the sad part, I was doing some crazy pirouettes at very high speed and my taile moved back 1/2" so I lost tail control. I managed to auto the heli but when it got to the ground the heli got sideways and hit it. So I lost one of my blades and will be replacing the feathering shaft too just in case. The cetrifugal forces were so high that the foam piece on the fuel magnet came off.

I should have done the tail case modification but I didnt.

The heli is ready to go for the long weekend

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09-04-2009 07:11 PM  8 years agoPost 335
Git

rrVeteran

Brunei

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ducati.. so sorry to hear but the big question is... how did the engine handled the crash?

any crash pic?

Alees Rush 750

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09-04-2009 07:13 PM  8 years agoPost 336
rexaholic

rrNovice

United States

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MP 5

Sorry to hear about that Ducatti. I did about $375 worth last year when the old style torque tube pin sheered loose while doing tic-tocs. Things aren't pretty when a heli hits from 30 feet up pirouetting violently and going in sideways!

I'm glad to hear that the MP 5 works ok. I'm sure I will eventually get the matched pipe, but for now I planed on using my old MP5. I have looked on many different forums and apparently you are the first to give a response on the MP5 performance with the rex 57!

Thanks for your help!

Mine will be in the air just in time for the long weekend!!!

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09-04-2009 07:31 PM  8 years agoPost 337
j.8

rrVeteran

Denmark

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Hi Ducati
I should have done the tail case modification but I didnt.
Could you tell me what that modification is

Regards Bo

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09-04-2009 07:33 PM  8 years agoPost 338
rexaholic

rrNovice

United States

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you drill a hole through the case and the boom and "pin" it with a screw. At least I think that's the one he's talking about.

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09-04-2009 07:36 PM  8 years agoPost 339
Ducati996

rrApprentice

Reno, Nevada

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MP5

Thank You all for the reply! I will be flying tomorrow again with the MP5 pipe. I am still running the OS carb which is 1 turn and 1 click out. With the MP5 I had to go in more, around 4 clicks and I had good power and good smoke.

About the crash, I did not take any pictures of it but the only damage was to one main blade and the flybar, nothing else broke since I hit Hold quickly, after that was just trying to control the fall. I was able to maintain the heli level by giving it Back-forth-left-right inputs as it was coming down. It could have been a lot worse but I had been practicing slow piro circules with my small electric and it paid off big time.

Tail Mod: basicaly you have to drill and tap a 3mm hole through the tail case and through the boom. Then you need a short 3mm screw and set it wit lock-tite. I have not done it yet but I should. Hope this helps.

When it happened I was with a flying body and he said " I told you so" he told me to do the tail mod long time ago since I usually do fast piros. Well, I guess I will now.

And remember: Why do you need more power? Becasue you can and is fun!

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09-04-2009 08:32 PM  8 years agoPost 340
bigwolf1

rrVeteran

USA

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mines ready for the long weekend with some new paint.

I'm gonna have to get me another Novarossi .57. I'm hoping that the new backplates for the spectrum sensor will be availible soon.

MAH blade Rep
Trex700LE
Magnum fuels

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HelicopterEngines Plugs Mufflers Fuel › Novarossi Hr57-3d New Heli Engine Generation
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