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HelicopterEngines Plugs Mufflers Fuel › Novarossi Hr57-3d New Heli Engine Generation
09-04-2009 08:38 PM  8 years agoPost 341
j.8

rrVeteran

Denmark

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Hi ducati

Thanks for the mod tip.

I have a freind who have just put in a
novarossi 57 in his TR600, I will let
him know about the mod.

Nice to hear that you`ll back in the air
tomorrow

Regards Bo

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09-04-2009 10:03 PM  8 years agoPost 342
Wimbledon99

rrVeteran

UK

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

I've had the same problem but in the opposite direction!! I fly a Titan SE and I've had the boom slip forward resulting in a loose belt on 4 occasions - never had it happen before (OS 50 Hyper). Managed to get away with the first 3 but the last one was resulted in a repair bill

Is it a sign that the standard 50 heli's need 'beefing up' in order to handle the power that the N57 delivers?!?!

I wonder what will happen when OS and YS bring their 50+'s to the general market place. Will we see a new spate of mods to our airframes?

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

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09-05-2009 01:10 PM  8 years agoPost 343
dooooh!

rrApprentice

uk

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I just have to repeat this rossi 57 engine is awsome.Been using it for a while now and its holding up fine.Using it in my vbared trex 600.Its good on fuel consumption and blows the hyper out of the water.

running os two needle carb (os 70)
.5 shim to head
OS A5 plug when hot
OS No8 when weather cooler
model technics copter mix

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09-05-2009 02:49 PM  8 years agoPost 344
Ducati996

rrApprentice

Reno, Nevada

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Novarossi and Rossi

Is good to see that people are enjoying this engine! This weekend the weather is supposed to cooperate so hopefully we will have a lot of flying time with minor repairs

Novarossi and Rossi are two different Italian brands, I thought I would mention it since there could be one or two fliers that don't know this and could be searching for the wrong engine. Rossis are very powerful engines used in airplanes, very high quality too, if you are into airplanes and want to go fast check them out.

I am heading down to LHS to help some customers with their trucks and helis, then let the flying start.

Best of luck to all tis weekend,

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09-05-2009 03:40 PM  8 years agoPost 345
national

rrNovice

Lebanon

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I agree dooooh the consumption is even less than the hyper and more powerfull.

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09-05-2009 08:55 PM  8 years agoPost 346
rexaholic

rrNovice

United States

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Shims...again...

I hate to beat the proverbial dead horse, but I have yet another shim question.

I understand how shims lower compression ratios and consequently, engine temperature and, to some degree, performance. I put 5 tanks through my brand new Rex 57 today and on the 5th tank I started to lean it just a bit. The back-plate started picking up heat, not much mind you, awfully soon before I got into the power band of the motor. Because I'm not a brave soul, I backed off a click or two and just finished out the break in.

Now, I know the motor is not fully broke in but I was curious...

I am running .4 shims with 30% cool power fuel and an os 8 plug. Are you guys having better luck with .5 shims? Is the engine running cooler? Is there really that much decrease in power overall?

Thanks for the help!

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09-05-2009 10:05 PM  8 years agoPost 347
dhoffack

rrApprentice

lanham, md, MHA member

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You need to run a cooler plug, I was running .4mm shim and 30% cool power and the os8 and I had the same issue.

I went to a cooler plug, and I no longer have any issues, and I am still using .4mm shims, and it runs fine the whole tank. I am also using a header tank.

Dan

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09-06-2009 02:08 AM  8 years agoPost 348
tr0cksrrApprentice - NJ, 08344 - My Posts: All  Forum  Topic

well my nova story.
flew 5 tanks today on my outrage velocity, 2 1/4 out on the main.
throttle V curve 65 55 65 2100 headspeed no gov. what can i say insane.
head temp 180 to 190, pretty hard to bog it. i'm in love.

I remember when sex was safe and Heli's where dangerous.

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09-06-2009 09:44 AM  8 years agoPost 349
stuartmp74

rrApprentice

Gold Coast, Australia

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Spektrum AR7100R - Info

I just thought I would share my findings with my recent Spektrum AR7100R install into a Trex 600N.

I originally had a CSM revlock Governor installed.

When I bought my AR7100R I was told I could use the existing hall effects sensor instead of fitting the Spektrum one.

Well this is where the fun started for me because after I had set everything up and then tried to preform a sensor test I could not get a reliable signal from the CSM hall effects sensor.

So I tried to mount it closer to the magnet. After a few hours trying I could still not get a reliable signal. I gave up trying to use this sensor.

I thought about trying to use the AR7100R sensor to detect the magnet on the cooling fan but as the diameter of the sensor is so large and there is very little room on the Trex in that area I though I would try an eagle tree hall effects sensor that I had first.

I had no luck with this either. I also noticed that the sensor got very hot. So I am guessing that the Spektrum sensor may run on 8 volts. It makes sense when you have a look at the thickness of the sensor wires.

So this left me with two alternatives either mount the Spektrum sensor
on the backing plate which looks ugly as the mounting holes do not locate the sensor with the correct offset to reach the bottom of the backing plate even if I did Dremel out the stiffening / cooling ribs.

My second option and the one I chose was to install the Spektrum sensor in the same position as my CSM sensor which is the default governor sensor position as shown in the Trex manual.

To do this I had to make up a small bracket made from a old carbon fibre side frame that I had.

This then held the sensor in a suitable position.
I also had to cut a fairly large cut out in the plastic fan shroud that covers the engine.

One thing to watch out for when you try and fit this sensor is.

Make sure you leave enough room so your are able to still fit the rear, small rectangular plastic servo screw retaining plate for your rudder servo that goes on the inside of your side frame.

It really is quite a tight fit. But I now have a very reliable signal.

I hope this will help others not waste hours trying to use there existing hall effects sensors with an AR7100R.

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09-06-2009 09:54 AM  8 years agoPost 350
dooooh!

rrApprentice

uk

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rexaholic , for me using 30% copter mix the engine ran a bit hot on .4 shim so i tried the extra shim ,bringing it up to .5.
The engine ran smoother at tickover which then translated to smoother running in the air with no noticeable powerloss and cooler running temps.And as stated before on a hot day maybe 20
degrees + which is a hot day for us in the uk i use a A5 plug
and an os no8 on cooler days.Sorry for calling it a rossi meant novarossi

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09-06-2009 02:27 PM  8 years agoPost 351
rexaholic

rrNovice

United States

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Thanks for the info guys!

Just ordered some cooler plugs.

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09-06-2009 04:24 PM  8 years agoPost 352
national

rrNovice

Lebanon

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Since the best headspead for the 57 and Trex 600 combination is 2200,
anybody know how to enter the secret menu of the GV 1 to set the above speed. Originally GV 1 maximum allows 2100 only

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09-06-2009 04:52 PM  8 years agoPost 353
j.8

rrVeteran

Denmark

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Hi national

Here is a link to the hidden menu, I don`t se anything
that indicates a headspeed increase parameter
http://www.natew.com/rcheli/frame_m...ml.FutabaSecret

But you could "lie" to the gov, and tell it that you run
a differend gearing, that would increase the headspeed,
above 2100 rpm.
I have seen that done before.

Like
18500 / 8,5 = 2176,4 rmp headspeed
But if you leave the headspeed in the gv1 at 2100 rpm
and tell it that you run a 8,4:1 gearing you`ll get
18500 / 8,4 = 2202,3 headspeed

Regards Bo

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09-07-2009 12:44 AM  8 years agoPost 354
Ducati996

rrApprentice

Reno, Nevada

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Back from the field in one piece :D

Yep, I am still flying the MP5 and the performance keeps getting better. So, yes, you can use the Align and the MP5 and they will give you good performance. I am running +11/-11 on the cyclic since I don't need more to do what I like. Tic Toc (both normal and side ones) can be achieved effortless.

Next week I will try the Thunder Tiger 53 pipe and in two weeks I will try the Nova pipe, sorry but will not try the Hatori pipe on this baby.

With the MP5 the engine actually ran smoother than with the Align but that could had been because the baffle was coming apart.

Instead of drilling and tapping my tail I decided to slow down my pirouette rate for now. I wish my camera was working so I could take some pictures but I need to buy a new one and for now I rather spend the money on Heli part

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09-07-2009 01:56 AM  8 years agoPost 355
Labarca

rrNovice

Toa Alta,Puerto Rico

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NovaRossi .57 with the new carb 10mm

Hello guys this is a video of the new NovaRossi .57 engine with the new carb that is 10mm this video is done in Puerto Rico the engine does not go down not even for a second ENJOY
http://www.youtube.com/watch?v=4CBLcVI0f78

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09-07-2009 02:07 AM  8 years agoPost 356
tr0cks

rrApprentice

NJ, 08344

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boriqua, very nice flyin.

I remember when sex was safe and Heli's where dangerous.

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09-07-2009 02:27 AM  8 years agoPost 357
Labarca

rrNovice

Toa Alta,Puerto Rico

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Thanks

Thanks my friend we do what we can

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09-07-2009 03:24 AM  8 years agoPost 358
haq0901

rrVeteran

Miami, FL USA

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Are the engines coming with new carb or they must be found else where?

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09-07-2009 04:45 AM  8 years agoPost 359
Labarca

rrNovice

Toa Alta,Puerto Rico

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New engine .57

The new ones come with the carb 10mm

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09-07-2009 10:42 PM  8 years agoPost 360
Gearhead

rrMaster

Vt

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some one really needs to test this Engine with the Weston Mini Pipe with 15% or 17%,,

I think you will get more Collective Pop with the Weston, yes you will have to run a high HS, 2100 anyway, or a lower gear ratio,, back when I was using the Weston on my OS 50 with the 60B carb I had it set for 11&1/2 (+/-) and from a low hover it would take full Collective as fast as I could pump it, it would take 12 on top but you could here at full throttle that the Engine was working a bit harder,, so, if it works on the 57 I'm sure it would pull 12, maybe 13,, the thing is it's a Low Down Pulling Pipe, no matter 11, 12 or more this Weston Pipe pulls hard without bogging from the bottom to Full Stick as fast as I could pump it,,

it's not a high nitro Pipe, 20% is to much Nitro, back then I was mixing 1 gallon of 30% Magnum with 2 gallons of Magnum 12% to make 17&1/2%,,

if it works on the 57 it would be a true Monster with a Governor..

Jim
Buzz Buzz Buzz

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