View Full Version : GV1 Govenor how does it work?
jmillett
03-26-2006, 08:59 AM
I am new the heliworld, primarily a 3D plank flyer convert!
I am just building a Raptor 50se and I am looking for some guidance regarding govenors. Do they elimenate the whole thortle / pitch curve thing?
I thought that the govenor increases and decreases engine rpm to maintain a constant head speed.
This would make flying easier........yes....... no?
Any input would be appreciated.
Thanks
John
rcheliflyer
03-26-2006, 10:36 AM
Hi John,
Imho YES , having a gov is not manditory but makes things a lot easier and more consistent, especially when there is a high power to weight ratio and if you plan to fly aggressivly / 3d .
If you were planning to fly more sport and basic aeros then you probably
would be happy with no gov.
It will keep the speed and response of the heli consistent so you can concentrate on flying, preventing over / underspeed conditions while still allowing full power when needed.
You can also setup pitch / throttle curves, mixing to do the same but may have compromises in performance in order to keep the rpm's in control,
you still need a basic throttle pitch curve that is flyable as the heli will use this as backup when the gov is off or shuts down .
After I flew a heli with a gov, I was hooked and setup all mine that way, although I did fly my 30 size heli running curves and some throttle mixing while I had it and it flew pretty well.
My current helis R50 to Fury 90 setup for 3d all have GV1's ;)
tnreefguy
03-26-2006, 11:30 AM
Govs are great but you still need to learn the basics of a good throttle curve setup. If I were you program and tweak a good throttle curve. Then use the governor. If you notice any difference in performance retweak the curve and try again. But remember a gov will not work on an overly rich engine and is just one more thing to add, program and fail in flight. I have owned two GV-1's and have had no problem. They are just like anything else just a tool to help a good pilot be better.
I am fairly impressed with the CSM governor. I have always spent a fair amount of time getting the throttle curves right, and the cyclic to throttle mixes right. My helis always flew quite well, and I never considered a governor to be worth the money.
The CSM definately adds an amount of smoothness to the tail. I attribute that to more consistent torque. The engine sounds nice as well.
Does it add anything to the flying ability of the heli? No.
Does it make me a better pilot? No.
DOes it remove the need for a properly done set of curves? I don't think so. We all need the knowledge of a good setup.
All in all, while the Governor is intriguing, and plays to the "gageteer" side fo me, I would say it is not worth the extra cost or complexity, since it does not cost anything extra to set up your curves properly.
jmillett
03-26-2006, 06:09 PM
Thanks for the help guys!
I feel much better getting into the heli scene knowing there is a resource like this site with experienced people like you guys to give me a hand!
Thanks
John
WillJames
03-27-2006, 03:19 AM
You have been given all good advice John, thank for joining.
The other thing to consider is that you may want to get the heli flying and get some help to get your curves right. During the curve time before you install your GV-1, you can break in your engine slowly and get your mixture dialed in, and find any problems with the setup of your heli and radio. Then you will be in a lot better position to install the GV-1 and see what it can and can't do, and you will have good curves and engine tuning and experience yourself to fall back on if something goes wrong with the governor.
I say this because I bought my first helis used and they had governors on them and I never really learned engone tuning and curve setup until I had to. Would have been a lot easier on me and the people helping me if I had learned how to setup proper throttle curves and how to tune an engine before I tried to push it and us a Governor to fix my poor setup.