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HomeAircraftHelicopterEngines Plugs Mufflers Fuel › Novarossi Input Here
01-17-2010 04:07 PM  8 years agoPost 21
rexxigpilot

rrProfessor

Florida

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From the video, it appears like something is loose and making a rattling sound. Have you checked the muffler (and baffle), head and plug for tightness? I had my plug come loose not too long ago and it made the same sound.

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01-17-2010 11:21 PM  8 years agoPost 22
leadlag

rrVeteran

Worthing UK

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Hi Tommy,

I am not familiar with the Vibe so you will have to bear with me.

The vibration is not the engine.

Make sure everything is lined up properly.Start shaft to engine. Any angle can cause vibration. How is the hub attached to the engine? Pinch collar style? does it just screw on?Collets? If this is not on right you will be getting the symptoms you describe as it will be misaligned. Do you have dial indicator?

As far as tuning you sound like you are shimmed out enough. What fuel are you using? Plug? A mate had the exactley same set up as me and his engine always ran hotter. Go figure. 120 will be ok aslong as you have not leaned it out to a inch of its life.

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01-18-2010 12:13 AM  8 years agoPost 23
James3922

rrApprentice

Scotland

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Hi Tommy,
Are you familiar with the "dreaded clutch rattle"?
The Vibe 50 has an issue with improper clutch alignment causing a severe rattle. It is well documented in the JR Heli section.
Hope this helps.

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01-18-2010 11:04 AM  8 years agoPost 24
tommyvuitton

rrApprentice

Joburg, South Africa

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rexx: my muffler was a little loose.

bearly can fly: i am going to try the OS10.

leadlag: from what i can see, everything looks lined up. The Vibe uses a collet to clamp down, its not a screw on. Yes, i did dial the hub. Using 0S8 and Cool Power 15%.

James: i have read about that but seems as though mine is fine.

Took her out yesterday and was running smoother, temps i got were 120C on the head and 75C on the backplate. But revs are still not constant and sometimes it seems like it sits at a lower rev when hovering and as soon as i up the throttle it climbs back.

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01-18-2010 11:30 AM  8 years agoPost 25
Parsifal

rrVeteran

Singapore

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The rattle you are referring to may not be clutch related either, Search for anything with Hum in the title in the JR section. Numerous different experiences with respect to solving this issue.

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01-19-2010 08:23 PM  8 years agoPost 26
tommyvuitton

rrApprentice

Joburg, South Africa

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I have read the posts on the hum and I only run carbon blades. I did run my KDBB 92mm yesterday but these blades make the tail hum. I know this isn't the issue.

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01-22-2010 02:58 PM  8 years agoPost 27
Wimbledon99

rrVeteran

UK

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The parts eventually arrived today - 3 months after my initial request for assistance. In addition to the cost of the parts the courier charged me an extra £30 ($45 US) in tax and fees!!

The moral of the story is that if you're in Europe and you have to order parts direct from Lynx, they will cost you an arm and a leg

If your dealer doesn't have the parts - don't bother

It would have been cheaper to put what was left of it in the bin than to repair it

I'll be glad to see the back of this engine once and for all!!!

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

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01-24-2010 02:45 AM  8 years agoPost 28
ZHOLLIS

rrNovice

San Leandro, CA USA

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Wimbledon -

I have to remind you again that Lynx Heli Innovations is a distributor for Novarossi products; we DO NOT sell to consumers. We supply product through a number of dealers here in the US as well as in Europe.

Luca was assisting in finding a part for you which was not readily available in Europe. Once the part was in our stock, we shipped to you. Lynx paid the shipping cost as well as giving you a dealers discount on the parts!

If there is anything else you need, feel free to contact the Lynx dealers in Europe directly; you can find thier contact info on our website at http://www.lynxheli.com.

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01-24-2010 09:23 AM  8 years agoPost 29
Wimbledon99

rrVeteran

UK

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Luca was assisting in finding a part for you which was not readily available in Europe. Once the part was in our stock, we shipped to you. Lynx paid the shipping cost as well as giving you a dealers discount on the parts!
Luca asked me not to mention the discounts for obvious reasons so I didn't. However, now that you have have, I can comment.

Your post is correct but it was in response to my postings re. the poor service I had received to date. I was also asked to say nice things about Novarossi in response I should not have had to go through this process in order to obtain what was needed.

The fact remains that it took over 3 months to resolve my issues and in the end I ended up paying more for the parts than if than if I had purchased them locally. Some discount

As for the European Dealers, I couldn't get assistance and neither could Luca. That's why he resorted to shipping the parts all the way from the US.

I'll not need any more support as I no longer have any Novarossi products

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

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01-25-2010 01:20 AM  8 years agoPost 30
kazager

rrApprentice

Waldorf, MD - USA

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Nova Failures
Now that the NR 57's have been out for a while, I'm wondering if any problems are being found? Any premature part failures? If so, please state how many gallons you have on it.

Flying $uck$...All of the money out of my bank account!

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01-25-2010 08:14 AM  8 years agoPost 31
ININVERNO

rrApprentice

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

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Dear
From our last repport we don't find any engine issue.
All is in the normal engine use.
The sole issue we repport was after some chrash situation, but a part that everithing work great.

We sale very few spare parts considering the rex heli engine in the field every day in the world, than this talk more of 100000 world.

Luca Invernizzi - ininverno@yahoo.com

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01-25-2010 09:18 AM  8 years agoPost 32
stuartmp74

rrApprentice

Gold Coast, Australia

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I have owned my N57 since April 2009 and I fly 1 to 2 times per week and put 3 - 4 Tank through at a time. So at a guess I have used

1.5 (times a week) x 3.5 (tanks a day) x 0.4 (liters per tank) x 8 (Months since I bought it) x 4.33 (Weeks per month)

So I make it about 74 liters or about 20 US Gallons.

In that Time I have pulled the Engine down 3 times. Not because it needed it.

I just wanted to see how it was wearing.

I also wanted to confirm that the compression shims that I was running was not causing pre-detonation.

All is good.

The engine is still developing excellent power.

I am so happy with it that I am using a Novarossi R91HR 3D-V2
in my new Heli build that I am currently building.

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02-27-2010 02:23 AM  8 years agoPost 33
esmoglo

rrKey Veteran

Florida USA

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Luca,

Hey I just took my Novarossi 57 out of my heli and I think I found what has been causing me all the problems, the carburetor washer is flat like a pancake. Is this a common problem I have less than a gallon thru the engine. Also what was the final verdict on head shims for the engine I have 3.0 in there now.

Thanks,
Angelo

Ugly can be fixed stupid is forever!

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02-27-2010 04:02 AM  8 years agoPost 34
stuartmp74

rrApprentice

Gold Coast, Australia

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the carburetor washer is flat like a pancake.
Are you talking about the rubber o-ring as the Carburetor has no washer that I know off?
Also what was the final verdict on head shims for the engine I have 3.0 in there now.
The Total thickness of your head shim pack depends on Nitro content of the fuel you use. You have not told us what you use.
I have 3.0 in there now.
Not possible, Maybe 0.3mm.
Please confirm

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02-27-2010 04:03 AM  8 years agoPost 35
Gernejr

rrKey Veteran

Miami, Fl

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Esmoglo what fuel are you running with .03 head shims.. ? manual recommends .04 for 30% .. I'm breaking in a fresh rebuilt with RR 30% have .05 shims may drop down to .04 shim if i feel the power is lacking.

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02-27-2010 12:58 PM  8 years agoPost 36
esmoglo

rrKey Veteran

Florida USA

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I have one of the first run engines and the my manual states that .03 shims for 30% Nitro and I do recall that there was an update reference what shim thickness should be used.

As far as the O-ring there is a very small one that is fitted when you install the carburetor and tighten down the screw in place. It must be a problem because this O-ring is always out of stock at Helidirect. I am grounded for now with out the O-ring I will check and see if Readyheli has them in stock.

Angelo

Ugly can be fixed stupid is forever!

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02-27-2010 01:55 PM  8 years agoPost 37
Gernejr

rrKey Veteran

Miami, Fl

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E. I just put a OS 60B carb on mine. The OS ring is the same has nova oring.if you wanted to this afternoonwill be at tamaimi park flying. i have oring on my nova carb im not using. But any OS 50 oring will work . Go to lowes or Ace hardware and get a oring and fly.

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02-27-2010 02:15 PM  8 years agoPost 38
esmoglo

rrKey Veteran

Florida USA

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Hey thanks for the offer! I am building a brand new Outrage Velocity 50 and I am at the point that I need to install the engine before closing the frames. I I think I will just go to Markham and fly the Trex 700 and stop the build for today. Heliready has the O-rings in stock and I am placing an order so I will pick up a few.

Angelo

Ugly can be fixed stupid is forever!

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02-27-2010 02:46 PM  8 years agoPost 39
Gernejr

rrKey Veteran

Miami, Fl

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Funny i need a couple TT bearing rubbes to put the 700 back together and just sent 7100r to horizon has it was acting weird. So nothing be Nova for a couple weeks. Guess i live.

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02-27-2010 02:55 PM  8 years agoPost 40
ININVERNO

rrApprentice

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

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Hi Guy, I am confused about your request, wath O-ring you talken about??
I need see some pics to understand, please post here i will support you as normal.
Thanks!
TTYL

Luca Invernizzi - ininverno@yahoo.com

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