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HelicopterMain Discussion › Govenor on 60's
09-03-2003 04:47 PM  14 years agoPost 1
3DChopper

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California

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I am putting together a Freya 60 with ys61 on it. How necessary is a govenor?

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09-03-2003 04:56 PM  14 years agoPost 2
icleanwater

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Boise, ID.

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A govenor is not necessary at all. They aid in keeping head speed up while going from one 3D manuver to another, and they also aid in keeping your head from overspeeding in a desent (or while unloading). However these things are supposed to be accomplished by good collective management. An accomplished pilot at the LA funfly last weekend told me that he doesnt like them because they are to slow for him.....

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09-03-2003 05:49 PM  14 years agoPost 3
RotorX

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London

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I had a lot of trouble with headspeeds, (bogging down) one i installed the GV-1 things were a lot better and allowed my actucal flying to progress while my tech ability probally suffered.

however i do this hobby for the fun in flying too much p*ssing around can be annoying, more so if you do not have the benefit of a friend that flys and that can help.

Since i flew more rather than hitting dead ends, i felt like playing with the curves more, there fore ended up at the same point i can do all that i do with or without GV-1, but as always its better with the GV-1, for me

Just my experience


Kaz

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09-03-2003 05:59 PM  14 years agoPost 4
jkelly

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Bedford, PA

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I used to not use one because I would intentionally do a fast descent to increase headspeed and then convert that energy into a highspeed manouver. The gov is great for a constant feel which can help the heli appear to fly smoother and feel predictable but the main reason I use mine is to eliminate the tweaking on the curves. It sure makes for a fast reliable setup. It also is cool for trying different headspeeds based on your gearing. It's nice to know the headspeed prior to test flying vs. taching it. Set it and forget it!

*For those following the Rotorworld thread - I do not represent any gov manufacturers.

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09-03-2003 06:29 PM  14 years agoPost 5
icleanwater

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Boise, ID.

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Hmmm, maybe I missunderstood the question. I understood the question to be one of necessity. If the question is one of preference, then I will agree with all the above posts. I use a GV-1 on everything I fly, so you see I am into progress (or shall we call it conveinence; ease of setup, and flying). However my GV-1's are secondary to my throttle curves, my throttle curves are all setup correctly before using the gov. and there all on ch. 9 so they can be shut off at the flip of a switch.

Do you already have good collective management skills?
Do you already have good setup skills?

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09-03-2003 07:45 PM  14 years agoPost 6
RotorX

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London

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mmmm to be honest its all relative, as to whether it is necessary or not, cars are not necessary but we all use them, because they make short work of distances, well a Gov makes short work of throttle curves,

probally not necessary, but if you want that silky feeling from your headspeed, without having a vast experience to get good curves i would get one.

I was made to feel bad, once at the field as i have the only gov, we dont use those we want to setup proper like, fine, i want a GV-1, i like setting diferent headspeeds, you can go from FIA style to full 3D by flipping idle 2 to 1 then the headspeed form 1800 to 1400, also you want to you can add the idle adjust servo and adjust that in flight.

wicked piece of kit, aso the TJ is another option at half the price.

Kaz

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09-03-2003 08:01 PM  14 years agoPost 7
pinoy

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Muncie, Indiana USA/Obando, Bulacan Philippines

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I myself have a governor on my Fury and not only that it maintain a steady headspeed on my main blade but I also use it to finetune my throttle curve by switching on and off on the governor and listening for the changes in rotor speed so if anytime my governor goes bad or the magnet come lose I know I have a reliable set up on my manual throttle curve..............

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09-04-2003 12:39 PM  14 years agoPost 8
Lars Blaabjerg

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Aarhus, Denmark

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Not necessary at all!

I dismounted a GV1 from my Freya running an OS70. With the governor it was bogging doing flips and maneuvers using much cyclic and collective. With proper throttle curves and cyclic and rudder to throttle mixing I have no problems at all.

You will get more power out of your engine without the governor, because it won't be lagging behind the power demands of the heli as when on the governor.

Even if you choose to run a governor, you need to be sure your engine is set up correctly before using it as you wont as readily notice lean/rich runs as the governor will compensate for any lack of power by increasing throttle.

/Lars

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09-04-2003 11:03 PM  14 years agoPost 9
RotorX

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London

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You will get more power out of your engine without the governor, because it won't be lagging behind the power demands of the heli as when on the governor
0.22 seconds is not much of a lag where a carb is concerned


Kaz

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09-05-2003 03:58 AM  14 years agoPost 10
Airman98

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Southern Illinois

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All I can say is I love my Gov!!

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09-05-2003 07:30 AM  14 years agoPost 11
Lars Blaabjerg

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Aarhus, Denmark

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Things may be different in nitro-land.

I'm running 5%, and beleive me, I can feel the difference.

/Lars

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09-05-2003 07:52 AM  14 years agoPost 12
mvhf

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Antwerp, Belgium

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Lars, if you tried using a GV1 and make use of the ability to turn the GV1 off at high throttle, you could easy mix, your high power demands with the steady rpm of a governor. I think that would result in an even better performing heli.

Marc

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09-05-2003 12:19 PM  14 years agoPost 13
Lars Blaabjerg

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Aarhus, Denmark

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Marc: Thought of that, but it's quite an expensive thing to fly around with for so little. My current setup manages to hold the rpm remarkably constant anyway (Zimmermann quiet pipe). So I don't really feel the need.

To explain my previous statement: The governor reacts to decaying rotor speeds and therefore can only adjust throttle when rotor speeds has allready suffered a little instead of providing the extra throttle beforehand. This problem may be insignificant in a Fury with an C-Spec running 30% nitro with torque surplus. But I assure you it isn't in my heli.

That said, my pipe may make life difficult for the governor.

/Lars

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09-05-2003 12:20 PM  14 years agoPost 14
Lars Blaabjerg

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Aarhus, Denmark

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FYI: my throttle servo is a futaba DS9252

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09-05-2003 02:55 PM  14 years agoPost 15
RotorX

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London

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Lars Blaabjerg

So you are saying that your GV-1 problems (you think) are related to the fact that you are running low nitro with a pipe. I know that the manual states that the GV-1 may not work with a pipe,

but i know a few that have and do successfully, the question i wanted to ask really is have you tried higher nitro to test your theory, also if you do then lets us know please - ta

Kaz

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09-05-2003 03:20 PM  14 years agoPost 16
Lars Blaabjerg

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Aarhus, Denmark

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Well I am experimenting with 15% nitro at the moment. I may try it with the governor again. Not until next week though (if the weather permits).

I had the governor installed in a Raptor 30 with a TT36H and Zimmermann muffler, running 10% nitro. This easily oversped when unloading, so I was almost always using the governor. In this setup the power difference was also easy to notice when working the pitch.

The governor sure is a great convenience, I just think it works better for me without it.

/Lars

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09-06-2003 09:21 AM  14 years agoPost 17
Lavochkin

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Splott

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I go with lars on this.
2 of us in our club fly raptor30 with govs,I have a os32 the other heli has tt39 we both run wildcat 15% both of us notice an increase in power with gov off. I agree with the theory that the gov is acting to remedy a headspeed that has already started to decay.
whereas a good curve does'nt let that scenario develope.
I use one cos i'm lazy

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09-06-2003 12:13 PM  14 years agoPost 18
RotorX

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London

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What headspeeds did you guys have set on the GV-1, I also agree with the princple, but if i was losing a few revs say , i would just set the headspeed a little higher,

so if i was 1750 and to counter act the few revs i was losing i would set it to 1800 that way the bit i am going to lose, i have already added. so in theory i would be a few revs higher than where the power drain showed, even after the intial drop

does this make any sense


also can anyone explain how to setup the throttle curve to avoid over reving on the way down without a Gov - ta

Also bear in mind the topic was Gov on a 60

Kaz

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09-06-2003 04:36 PM  14 years agoPost 19
RotorX

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London

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The principle is correct, the GV-1 does react after the fact, the real question is can you see change in the heli, i cannot and have found my climbouts with the Gov on awesome and not quite so with the Gov off.


Heading Hold Gyros were a big leap forward for the masses as is the Gov

Kaz

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09-07-2003 03:59 PM  14 years agoPost 20
Lars Blaabjerg

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Aarhus, Denmark

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who said castor??

About overspeeding on the way down: The Freya just doesn't seem to. The raptor did!

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HelicopterMain Discussion › Govenor on 60's
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