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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › Help me with high needle tuning OS 32 with KSG Pipe?
11-22-2017 07:32 PM  21 months ago
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InvertedDude

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Help me with high needle tuning OS 32 with KSG Pipe?
I need your help with your ears tuning my high needle.

Temp on ground 203F. If I richen the needle 1 click richer, it will be 177F.

Tell me if this sound right, OS 32 are harder engines for me to tune.

Watch at YouTube

S2 Mode Throttle Curves

95%-82%-75%-82%-95%
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11-22-2017 09:44 PM  21 months ago
Dr.Ben

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Doesn't sound too bad, but you can't accurately tune a high speed with quick collective climbs. Need to fly around with the throttle fully open but without so much pitch it bogs the engine down in order to really tell what the needle is doing.

Ben Minor
Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA
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11-22-2017 09:55 PM  21 months ago
JuanRodriguez

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The Villages, Florida

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Agree with Ben....but suggest such testing be done at the flying field and not your front yard....

Additionally, if you know how to auto, take it around like Ben suggested followed by an auto from good height..... when you switch into throttle hold listen to the motor..... if it “hangs on the pipe” it’s too lean. If it immediately transition to idle cleanly then you’re good .....
Been there, done that and old enough to know better.....
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11-22-2017 10:10 PM  21 months ago
InvertedDude

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JuanRodriguez
when you switch into throttle hold listen to the motor..... if it “hangs on the pipe” it’s too lean. If it immediately transition to idle cleanly then you’re good .....
How can I do this when I can't hear?

How many times do I have to tell you that I am DEAF!

My friend! It is alright, we will make it work!

Can't I hit throttle hold on the ground and let it transit to idle. Will that work as well?

This is why I am going this in the front yard, I agree on safety factor to fly at the field. I am the only helicopter pilot in the entire west valley that I am aware of. This is why I need your help!
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11-22-2017 10:32 PM  21 months ago
InvertedDude

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Dr.Ben
I guess I will get a video at the flying field with throttle at full power!

Thank you for tipping in! Least I know the engine is good enough to fly around. May not be 100% tuned in perfect.
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11-22-2017 10:35 PM  21 months ago
EEngineer

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How many times do I have to tell you that I am DEAF!
Don't you have a friend that could "lend you an ear"?
Logo 600SXs, 800XX, TDR IIs
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11-22-2017 10:40 PM  21 months ago
InvertedDude

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EEngineer
Don't you have a friend that could "lend you an ear"?
No one around to help me. My family or friends do not understand machines or even how to listen for tuning performance.

You guys are all I got! Unless, I make a 90 minute drive to Mesa on the weekends. I may just have to do that.
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11-22-2017 10:47 PM  21 months ago
EEngineer

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Sorry, I thought you might have somebody nearby....

Anyway, Happy Thanksgiving to you and your family!
Logo 600SXs, 800XX, TDR IIs
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11-22-2017 10:49 PM  21 months ago
InvertedDude

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EEngineer
You too and have a great fest!

Any input on engine?
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11-22-2017 10:56 PM  21 months ago
EEngineer

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Your engine tuning?Logo 600SXs, 800XX, TDR IIs
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11-22-2017 10:58 PM  21 months ago
InvertedDude

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EEngineer
Yes, the engine tuning. I have trouble with smaller motor than 50/90 engines.

30 do not give you much forgiving tune tweaks.
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11-22-2017 11:01 PM  21 months ago
JuanRodriguez

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The Villages, Florida

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How many times do I have to tell you that I am DEAF!
Apparently, one more time !!
Can't I hit throttle hold on the ground and let it transit to idle. Will that work as well?
No, same concept applies.... You need to be able to hear what is going on with the motor and from a hover (or on the ground) it would be extremely difficult to to determine what the motor is doing....
Been there, done that and old enough to know better.....
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11-22-2017 11:04 PM  21 months ago
InvertedDude

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JuanRodriguez
You going on vacation anytime soon? Plane ticket to AZ! LOL

Okay, so I am screwed on the autorotation step then.

I am gonna fly it like I stole it!
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11-22-2017 11:05 PM  21 months ago
EEngineer

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Yes, the engine tuning.
I'll defer to what Juan recommends....

Perhaps there are Youtube vids(with audio) that can be used to train your friends or a family member...of "tuned" and "not tuned" sounds...and compare yours to that.

Otherwise, perhaps a road trip is in order.
Logo 600SXs, 800XX, TDR IIs
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11-22-2017 11:08 PM  21 months ago
InvertedDude

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EEngineer
Perhaps there are Youtube vids(with audio) that can be used to train your friends or a family member...of "tuned" and "not tuned" sounds...and compare yours to that.
That is actually a good idea!
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11-22-2017 11:22 PM  21 months ago
EEngineer

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That's the only thing I could think of....

Do you have someone that's a piano player?...or a musician?

They have good ears....lol
Logo 600SXs, 800XX, TDR IIs
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11-23-2017 11:22 AM  21 months ago
icanfly

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ontario

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sounds mostly fine, little light on the smoke, what fuel are you using? more nitro means more fuel. Throttle curves might be 80, 90, 95, 90, 80 this way there's more throttle under hover than only 82 and 80 compared to 75 may be the small amount needed for a stronger pull out, it's not a 37 and certainly not a 50 or 55 so take it for what it is 66% power on a 6lb machine then that of a 95 on a 12lb 700 machine. How heavy is the heli you have?

Do the click out one. Manual says 1.5 turns on the high needle and fuel throttle mix internal setting is needle shoulder tangetal to the carb body, the manual is at os, search it, it helped me out tons. I'd gotten my 32 to run at 1.75 but it was weaker than when the needle was at 1.5, even had it up to 2 where it would bog. Smaller motors are more sensitive to slight changes in needle settings.
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11-23-2017 07:17 PM  21 months ago
InvertedDude

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In open field hitting full throttle!

Watch at YouTube

Temps 210F @ WOT

Cool Power 30%
+10.5/-10.5 Pitch
7 degree cyclic elev/ali
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11-23-2017 08:02 PM  21 months ago
EEngineer

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I assume that's head temp at @ 210F?Logo 600SXs, 800XX, TDR IIs
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11-23-2017 08:04 PM  21 months ago
InvertedDude

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EEngineer
Honestly, is the head temp 210F? I took it from S2 mode and landed it to hit throttle hold. I stopped the blades as fast as I could and use a temp gun.

210F is what the gun read.
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