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HomeAircraftHelicopterAlignT-REX 600N › tt53 problem...
03-31-2009 04:12 PM  9 years agoPost 1
luca bianchessi

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bergamo, italy

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dear all

i can't get a decent power from my redline with 30% cool power, an mp5 an enya 3, all at 2170 rpm with multigov......
i can't understando why........
yesterday i realized i was a bit lean (1,5 turns) as i had 130 C° degress on the head.
when i disassembled the engine's head i found the surface of the piston a bit black, but i cleaned it with some oil and now the piston is clean without spot........so i think it's not damaged....
this engine has no more than 3 gallons....

so i opened a bit the needle, but at 2 turns the engine is not able to mantain 12 degrees of pitch !!!!

what shall i do?? all the needles except the long one are set as out of the box.....
can you tell me your long needle settings??? at wich temperature are you running your engine's head???

thank you
Luca Bianchessi

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03-31-2009 06:06 PM  9 years agoPost 2
baddynergy

rrElite Veteran

sierra madre, ca- usa

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what shall i do?? all the needles except the long one are set as out of the box.....
can you tell me your long needle settings??? at wich temperature are you running your engine's head???
Been running mine for a year now with GREAT results.

My settings

coolpower 30%
2050 headspeed
Low needle 1/4 turn OUT from flush
High needle 2 turns out
Hatori 523
Carb Smart set at 110C
70%gain on CS
CS set for FULL travel with no binding

Do the pinch test for idle, try and get a 7 count before it speeds up to die, the CS will compensate when needed.

I am able to run the low a little rich and have the CS compensate until it heats up. 2 turns is MID point on CS it will go leaner and richer if needed. It will only go leaner when idling and getting up to temp. IMHO the Carb Smart is really needed on this engine. DO NOT touch the hidden 3rd needle.

You should be able to pull 13deg pitch with no problem.

Your results may vary depending on Altitude, humidity and fuel.

**Unattended children will be givin a shot of espresso and a puppy**

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03-31-2009 08:02 PM  9 years agoPost 3
Sean Williams

rrElite Veteran

Santa Clarita CA

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Aren't you a Novarossi guy Luca?

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03-31-2009 08:23 PM  9 years agoPost 4
luca bianchessi

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bergamo, italy

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no, i'm not

that one is luca invernizzi

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03-31-2009 08:33 PM  9 years agoPost 5
theflyingman2

rrApprentice

Winter Haven, FL USA

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I was having the same problem as you. Here is my setup and settings

Redline .53
rotorRage 30%
align gov
Curtis MP5 SB pipe
enya 3 glow plug

low needle 1/8 turn from flush
High needle 6 clicks in from 2 turns out.

I was running cool power before and had problems and tunning issues all the time. The LHS swithched to RotorRage a few weeks ago. the issues have almost completly gone away now. The Cool power worked great my old OS 50 hypers, YS 80, and OS 91. The cool power runs just fine in my OS 61 FX i have on an airboat. Be patient. I had the help of my friend at the field with the carb settings. Thanks TREXSYNDROME. What I did to get it right was to set the low setting where it idels good, then start the high at 2-1/4 turns out and lean up by 2 clicks at a time untill it has power. With my settings my trex 600NSP I was able to do 68 (complete) lateral tictocks in a row with out any boging.

My backplate was able to have my finger stay on it for more then 20 seconds after the flight. I may lean it out a few more clicks. I have my gov. set to 2100 on the head speed.

You said that you have "needles" plural except for the one. does that mean that you have 3. As far as I know the new Carb, (what I have) only has 2. Can someone clarify this to me. If you have the old carb, you might want to think about getting a new one.

Also, I don't know how important it is but I bought my engine used. Then I had to replace the bearings, and upon taking it apart. I did not find any head shims that people talk about. I put it back together without any and have about 5-1/2 gallons without any shims in it. The engine shows no signs of wear yet.

I also have 12 degrees of pitch.

I have plenty of smoke and the temperature is good so I am not worried about being too lean. My setup idles very slow, and good.

Let us know if you need more help.

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03-31-2009 08:34 PM  9 years agoPost 6
revomix

rrApprentice

Fontana, CA

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dude its the pipe try an Align pipe you'll never go back.

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03-31-2009 08:40 PM  9 years agoPost 7
luca bianchessi

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bergamo, italy

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thank you guys
what do you mean with "flush"??
by the way, i mean the 2 needles. there's even a third needle, but i'm not going to touch it.

so you tell me that if i don't tune the low needle, i'll never get a decent results ??

i'm going to stick with cp 30 as i have 8 gallons of it......

thank you guys

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03-31-2009 09:56 PM  9 years agoPost 8
baddynergy

rrElite Veteran

sierra madre, ca- usa

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dude its the pipe try an Align pipe you'll never go back
NO WAY, I have run every pipe except RJX and outrage. THe MP5 and Hatori 523 are the BEST pipes on this engine.

**Unattended children will be givin a shot of espresso and a puppy**

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03-31-2009 10:08 PM  9 years agoPost 9
theflyingman2

rrApprentice

Winter Haven, FL USA

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I have only ran the align and the MP5 SB pipes. I will have to say that the MP5 pipe has more power, and I prefer the sound of the MP5. The only bad thing i can say about the Mp5 is the exhaust deflector that comes with it is too short for my taste. So i bought a longer one. The algin pipes have problems with the baffles breaking off.

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04-01-2009 09:36 AM  9 years agoPost 10
luca bianchessi

rrApprentice

bergamo, italy

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hy guys

is it possible that this problem is related to the fact that i have never touched the low needle??? what do you mean with """flush""""
my low needle setting is as it comes out of the box
thank you
luca

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04-01-2009 12:07 PM  9 years agoPost 11
theflyingman2

rrApprentice

Winter Haven, FL USA

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Hi, The low needle refers to the flat screw that has a slot in it. It is adjacent to the high needle. I think it comes flush from the factory. Meaning, that the top of the screw head is level with the side of the carb. This needle is the low speed. But unlike OS engines, it actually controlls i think 0-70% of the throttle range. I had to lean mine out just a little, (To lean screw it in) When I was making adjustments on mine i would go just enough to see it move. I repeated it about 5-6 times and in the end only moved it a total of about 1/8 of a turn. that is 45 degrees.

As to say if it is possible I will say that Yes, without a doubt. As the engine wears in more and more small adjust may (i say may, because ive had some engines never need this) need a little care on the low end.

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04-02-2009 01:24 PM  9 years agoPost 12
Dino Spadaccini

rrElite Veteran

USA

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redline 53
the low needle crosses over as your mid range you might need to richen that up some pipe wise the mp5 ran very good for me along with the TT smooth pipe works very well head speed 2050 should be more than you need to stick bang also look at the plug is the coil getting pulled out some if so you need to shim the head TT has the shims now your LHS can get them for you since your in Italy you might be above sea level causing you to over lean the motor due to over compression shimming will solve that, the high speed needle tunes the high side of the throttle. The residue on the top of the piston happens from running to hot and the syn oil cooks to the top of the piston not a big deal enya 3 might be to hot I like to see an enya 4 or an Rl 3 OS 8 is to cold. you will need at least a gal of fuel through the motor for a good brake in, do not over work the motor for the first gal you can load the motor then back off, the power will keep coming on as the you fly it more hope this helps Dino

RIP Roman JR
Capt USA Align Factory Team Align - Conquer Your heart
Team Futaba

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04-02-2009 04:43 PM  9 years agoPost 13
luca bianchessi

rrApprentice

bergamo, italy

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thank you Dino.
this week end i'll try the engine starting from 2 turns on the high.

as i have told you, my low needle is set as out of the box, so the line that is on the low needle is parrallel to the ground. should i touch it??
can you post a photo where i can see your low needle position??
i live near milan, so thje altitude is not high.
thank you
you are the best!

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04-02-2009 07:48 PM  9 years agoPost 14
nvertd

rrNovice

Johns Creek, GA - USA

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dude its the pipe try an Align pipe you'll never go back
Sorry but the Align pipe sounds like a diet Pepsi can full of nail clippers compared to the MP5 or Hatori. It's the only part of my 600SNP Combo that i chose to replace.

nVertd

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04-03-2009 04:42 AM  9 years agoPost 15
Dino Spadaccini

rrElite Veteran

USA

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Low needle
I would just open the low about an 1/8 richer to start out I am at toledo rc show this weekend so I can't send you a picture but if the motor is over speeding when you unload it your lean it's all ways safer to richen your needles to see what happens

RIP Roman JR
Capt USA Align Factory Team Align - Conquer Your heart
Team Futaba

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04-03-2009 08:06 AM  9 years agoPost 16
Turner Canopies

rrNovice

Michael Riche of Franklinton, LA

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Opinion
I have not seen a TT53 run at my local field, how is the carburation response compared to say a OS 50 Hyper?

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04-06-2009 03:22 AM  9 years agoPost 17
theflyingman2

rrApprentice

Winter Haven, FL USA

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I have a redline 53 and my friend has an os 50. we both have the same trex 600NSP setup other than the engine. We both have flown each others and the only difference is that mine (with the redline) will bog less in tic tocs. The 2 engines are very close competitors in my opinion.

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