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HomeAircraftHelicopterMain Discussion › Can I .... Or should I... Tune my engine with the governor on?
08-12-2012 01:43 AM  5 years agoPost 1
coolgabsi

rrApprentice

Plano TX

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Helicopter : vibe 50
Engine : os50 hyper
Fuel : 30perc
Governor : multigov pro
Muffler : mp5 50
Gear ratio: 8.67
Givernor head speed set to 2000

Why I ask? 

Tried tuning today without governor, when I was going leaner head spee was getting too High to a point the heli wanted to wobble on its axis... Still had smoke coming out. But man the head speed was too high!!!! I got to a point where I had enough powe and temperature at 209 F on the blue part of my head.. And I put it on governor ....

Let me know... Tuning heli has been my akeeleez( spell??) heel!

My throttle curve was at 0-25-45-85-85 and idle up at 85-85-80-85-85without governor.. With.. It doesn't really matter but it's linear on normal and 100-95-85-95-100 on idle.
Thanks!!!!

People call me crash master... for a reason.. :P :D

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08-12-2012 01:50 AM  5 years agoPost 2
captrlp

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Spanish Fork, Utah - USA

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Leave the governor off during break in and tuning. 209 is a bit high on the temp, unless you're not concerned about longevity.

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08-12-2012 02:03 AM  5 years agoPost 3
dkshema

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Cedar Rapids, IA

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Break in and tune without the governor.

Achilles, from Greek mythology. Dipped in the river Styx to make him invincible. Only he was held by his heel, the only place that didn't get the magic dip. Later killed by an arrow to that heel. Therefore, your Achilles' Heel is your weak, vulnerable spot.

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08-12-2012 02:16 AM  5 years agoPost 4
Fnity

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Socal - Lafayette, IN

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I've broken in with gov, no problems here... Just use a low hs at first and don't hammer on it.

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08-12-2012 02:50 AM  5 years agoPost 5
marc8090

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Long Island, N.Y.

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You will get opinions from both sides but since I've owned my first govenor years ago, I have NEVER flown with it turned off. All flying including break in and first flights on new helis and new engines is with the govenor on. You can easily tell what the engine is doing, even with it on, and can easily tune the engine, with the govenor on.

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08-12-2012 05:46 AM  5 years agoPost 6
coolgabsi

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Plano TX

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The engine is broken in. I have"flown" 2 gallons on it after that. But my power is not that great and my flight time with stock tank is ~7.5 mins max.. And leaning it today scared me as it felt like blades were gonna give in or the head lol

People call me crash master... for a reason.. :P :D

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08-12-2012 04:01 PM  5 years agoPost 7
Fnity

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Socal - Lafayette, IN

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The idle up curve listed in your first post with the gov off is too high at mid stick.

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08-12-2012 04:10 PM  5 years agoPost 8
BladeStrikes

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Shelby TWP,Mi

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If the engine is broke in,tune with the gov on..

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08-12-2012 04:37 PM  5 years agoPost 9
Jeff polisena

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westpalmbeachflorida usa

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Mechanically setup with gov off and when tuning is consistant then finish break in with gov on if you want . If set up is not rite you could run motor lean without knowing it . Gov will correct headspeed when it rises due to motor leaning . You can tune as posted but if you want to get the most power consistently and long life out of motor, set up and tune without gov .
Throttle curve liner with gov off and at hover tune motor by temp and make sure it doesent lean out thru out the tank . If set up 0 deg pitch at half stick you might need to set throttle curve to 40% at mid point to keep headspeed lower

I stole it ,flew it and gave it back ;)

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08-12-2012 04:54 PM  5 years agoPost 10
BladeStrikes

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Shelby TWP,Mi

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Again,if the engine is broke in you can tune with the gov on because it won't make a difference at all.Once its broke in,you should tune it the way you plan on flying it which means if your running a gov,tune with the gov on..If you tune with the gov off then tune the gov on,you'll have to retune anyways because the load of the engine won't be the same..Tunning a engin thats broke in with the gov on will not effect power or life of the engine..
Bottom line is ---> Tune the engine the way you plan on flying..If you plan on flying without the gov,tune without the gov..If you plan on flying with a gov,tune with the gov..

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08-12-2012 04:57 PM  5 years agoPost 11
coolgabsi

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Plano TX

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Ok so with givernor on... And hs set at 2000, i should start the heli and bring it to lean out till I loose smoke?? Am I eer gonna loose smoke on 30percent rotor rage? And once I do... I back it off a couple clicks? Hovering abd doing pitch pumps what do I need the head (blue) temperature to be at?? Not great at tic tocs.. My collective management isn't great on it, but anywaz... So can someone walk me through this please!!!

Thanks!!

People call me crash master... for a reason.. :P :D

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08-12-2012 05:24 PM  5 years agoPost 12
BladeStrikes

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Shelby TWP,Mi

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Im going to guess and say your new to nitros right?You don't wanna lean it where the engine stops putting smoke out and with RotorRage 30%/OS 50 Hyper,you should have a good amount of smoke coming out.Not a ton but you can see it really good..
Do you know what a lean engine sounds like?If not go by temp like your asking..Keep the engine temp around 190F and check it right where the head and block meet.Do about 5-8 really good pitch pumps then land as fast as you can and check the temp.

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08-12-2012 05:29 PM  5 years agoPost 13
BladeStrikes

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Shelby TWP,Mi

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BTW,
Sounds like your not doing 3D so run your pitch around 11-12 degrees...Even with a perfect tunned engine,you can kill the power fast with too much pitch..

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08-12-2012 05:38 PM  5 years agoPost 14
coolgabsi

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Plano TX

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Ok.. so yesterday my blue head heat shrink got about 205.. I'll anymore fuel and go by the temperatures.

No I am not into hardcore 3d yet. My pitch is -+12..

Nitro .. I have been new for last 6 months... lol.. burned one engine on my kinetic... rebuilt it and learned not to mess with the low speed mneedle too much lol

After That, been gun shy...

How much flight time should I get on it?? People at my field with atrex600 and a header get about 12 minutes.. does that say I have a problem I am dealing with??

Please guide me thanks!!!

People call me crash master... for a reason.. :P :D

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08-12-2012 05:49 PM  5 years agoPost 15
heli-cuzz

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Pittston, Pa. USA

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You can run the hyper50 all day long between 210 to 220 degrees.
That is the ideal operating temp for these engines.

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08-12-2012 06:12 PM  5 years agoPost 16
BladeStrikes

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Shelby TWP,Mi

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Seen a few burn up at 220F and it doesn't say anywhere in the manual that 210-220F is operating temp.If it does,please post it.Different areas effects engine temp and too high could burn the engine up or worse,blow it..190F is safe for anyone new to nitros and it will make more than enough power..

coolgabsi,
From a few of your post it sounds like you could of leaned the engine out too much and thats why its not making good power anymore..I would pull the pipe off and check the piston ring..If its shiny,replace it..If its black,its good..

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08-12-2012 06:18 PM  5 years agoPost 17
Jeff polisena

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westpalmbeachflorida usa

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Weather a motor is broke in or brand new , you do not want gov on when tuning if you do not know what lean sounds like or feels like . A gov can hide leaning and as well as too rich by correcting throttle position to compensate to get set rpms. Temp readings is the best way to tune and also first flight of day it's good to hover or fly with gov off ,this will also tell you if fuel system is working correctly . If a line is bad motor will lean and if gov is on it might be too late when you realize motor is too lean .If you get the most power with the coolest temps your motor will last longer as well as glo plugs .

I agree 190 will be a good temp , different fuels will effect temp and performance .

I stole it ,flew it and gave it back ;)

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08-12-2012 06:53 PM  5 years agoPost 18
fla heli boy

rrKey Veteran

cape coral, florida

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I always tuned by listening to the transition, which would be hard to do with a governor on. Have to agree with you Jeff.

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08-12-2012 07:28 PM  5 years agoPost 19
jgalen0025

rrNovice

royersford, pa- US

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If you don't know what you are doing you turn it off
If you are proficient the motor should always be tuned in the same flying conditions as you would normally fly in
I have broke in and tuned 10 motors w gov on but it won't tell you she's lean you have to know what to listen for

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08-13-2012 12:41 AM  5 years agoPost 20
captrlp

rrVeteran

Spanish Fork, Utah - USA

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Bottom line, there's no benefit to tuning with the gov on. If an engine is tuned properly, there would be no need to re-tune when the gov is active.

Logo 480Xxtreme, Logo 550SX, Logo 600SX, Logo 700Xxtreme, Logo 800Xxtreme

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HomeAircraftHelicopterMain Discussion › Can I .... Or should I... Tune my engine with the governor on?
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