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HomeRC & Power✈️Aircraft🚁HelicopterFlybarless Rotor Head SystemsV-Bar › V-bar governor is like cheating. And I like it!
03-30-2012 06:11 PM  7 years ago
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Eury

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Dover NH USA

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V-bar governor is like cheating. And I like it!
I've got my first setup done with the Vbar governor in my Trex 700 Gasser. I did the first few flights with it setup with just a few tweaks, and then decided to mess with the "Reduce collective" value. WOW! This is like cheating. It will automatically reduce collective to keep the heli from bogging, and it works great. I fly it with 12.5 deg of pitch on a stock 231, and without that on, I really had to use a lot of collective management to keep it from bogging. I could only touch full collective for a second to get it moving and then very rapidly back it off to the 10deg or so range once it started moving.

Turned on the reduce collective with a value of 40 and it's like someone else is doing the CM for me. I can do stupid stuff with it like fast tic tocs with the collective pegged on both sides and it just does them without issue. I can get them a little faster with it off and me managing the collective, but this makes them very easy.

Just something for you guys to try next time you are out flying, it's pretty impressive.
Nick Crego

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03-30-2012 06:13 PM  7 years ago
deafheliflyer

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Arizona

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Welcome to Vbar..

Thats why it sets itself APART from other units.

And thats why I stick to what works
Crash-Prone and overcoming it!!!
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03-30-2012 06:21 PM  7 years ago
Eury

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Dover NH USA

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I've been flying vBar for a long time, but with the Kontronics on my electrics I've never touched the governor before. This gasser rocks on it.Nick Crego

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03-31-2012 02:47 AM  7 years ago
JasonJ

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North Idaho

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That sounds cool but if the unit is reducing the collective doesn't that mean you have too much collective in the first place? This is just a question. If the vbar is going to reduce collective why have all that collective pitch. I guess it's cool if you don't want to futz with dialing in max collective pitch. Not hatin', just trying to understand what the point of having gobs of collective is if it gets neutered by the vbar.
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03-31-2012 03:16 AM  7 years ago
Eury

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Dover NH USA

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What, you set your max collective so you can never bog the heli? What do you run, 7-8 degrees max?

If you are setting up your heli right then you are setting your max pitch so it will pull it in a straight climb, that's the max pitch that your heli can pull. Now if you add in any cyclic you have to add that pitch in, so your (just as an example) 12 deg that your heli can pull max is now 17-20 when you throw in cyclic. Now you are way over what your heli is capable of running without bogging down, so you have to use collective management and drop some collective out of there to back the total pitch (collective + cyclic) back down to where it won't bog. That's called collective management. Many people (myself included) run max pitch even higher than what it will pull in a straight climb. That allows me to get the heli moving very quickly in a new direction, and then back the stick down to where it can hold headspeed. It just takes more more practice to run a setup like that, since it becomes very easy to bog the head down if you stay at max pitch for more than a second or so.

This function of the vBar will back that collective pitch down for you as you start to exceed the limits of your power system, so you can do stupid things without having the necessary skill in your thumbs to actually pull them off without bogging the head.
Nick Crego

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03-31-2012 03:46 AM  7 years ago
Thuvanduc

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Salt Lake City, Utah

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Eury,

Please post your Vbar setup using the governor. Also please show your sensor connection for RPM pickup. I like to try this on my ENV90

Thanks
Duc
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03-31-2012 03:53 AM  7 years ago
Eury

rrProfessor

Dover NH USA

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Im running it in a gasser with a Stator Gator. Our setups wouldn't even be similar.Nick Crego

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03-31-2012 07:20 PM  7 years ago
blackjackdealer

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Bondurant Iowa

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v bar
looks like i was spot on telling you to set it at 40. who is the v bar master now ? HAHA
MJM
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03-31-2012 10:22 PM  7 years ago
JasonJ

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North Idaho

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Thanks Eury, that explanation was helpful. Me, I just max everything out and use collective management but I had always wondered if there was a better way. Apparently Vbar is the better way. Very cool stuff.
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03-31-2012 10:24 PM  7 years ago
Eury

rrProfessor

Dover NH USA

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I don't know if it's a better way, it's just different. I've backed it down by half now, so I still have more manual control of it, but it's still there to back me up.Nick Crego

Citizen #0168
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