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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › What actually constitutes Collective management?
08-22-2008 10:32 AM  12 years ago
TrexRookie

rrKey Veteran

San Francisco, CA

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Spot on,you win with that oneThat might work here.
Anytime... I'm always happy to answer questions!

Or in this case, hopefully put a smile on someone's face...
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08-22-2008 01:00 PM  12 years ago
T-Rex-Flyer

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Panama City, Fl

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Collective Management.
Directing a group of individuals picking up the pieces of and aircraft after a crash.
If the wings are traveling faster than the fuselage, it's probably a helicopter.
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08-22-2008 02:23 PM  12 years ago
floop

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Southern, NJ

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Collective management
A. Is like pirouetting in a controlled fashion. Don't just hold full left rudder, feather the stick to keep a constant rate.
B. Is about having maximum pitch range (Collective and Cyclic) and using it sparingly and using it all when you want it. see A

Just my 2 cents. I'm no expert.
IT's what I do.
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08-22-2008 04:28 PM  12 years ago
AirWolfRC

rrProfessor

42½ N, 83½ W

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It's what you get when you use the CSM RevLock-30
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08-22-2008 04:35 PM  12 years ago
TuDogs

rrNovice

San Antonio, Tx

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Well, time for a wise acre remark here. Collective management has to do with the "How much of my disposable income should go to the hobby."

All kidding aside though, Collective is one of many control issues we deal with. Managing the collective is knowing how much throttle and power is needed at any given point to attain the results desired. This entails a vast amount of knowledge into the characteristics of rotary flight.
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08-23-2008 03:48 AM  12 years ago
Aaron29

rrProfessor

USA

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Floop the high end gyros (611 et al) hold pirouette rate for you. There's no need to feather the rudder with them. They sense the acceleration/deceleration much better than we can by looking at it and modulate the rudder control automatically. The 401 and others don't do this for you so you have to do what you describe.
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08-23-2008 03:10 PM  12 years ago
jbdww

rrElite Veteran

Round Rock, Texas

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I have been working on collective management. I can flip my heli over in any direction and not bog the motor at all and keep the heli close to the same altitude. The question I have is when I go do stall turns; on my way up I seem to bog the head. Is this normal for something like stall turns?
Joe
Skids Up
http://www.jbdww.com
http://twitter.com/jbdww/
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08-23-2008 06:02 PM  12 years ago
MrMel

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Gotland

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also, door swings both directions, bad collective management with insanely powered heli like my Logo 600 with a motor made for 700mm blades is equally "bad", it will never bog, but you have about 5-6hp's at full respect, any hint with the collective and heli responds "Sir, Yes Sir" and goes there before you can blink.

With "bad collective management" in that senario you are all over the sky, not making nice looking manouvers at all.
Gone fishing..or hunting..or something
My site: http://heli.dacsa.net - VBar videos and more
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08-24-2008 01:45 AM  12 years ago
flustercluck

rrVeteran

Newnan Ga (Just S. of ATL)

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My definition of collective management (the Holy Grail, IMO, of skillfull heli flying) is:

GOOD collective mgt = "light on the sticks"

POOR collective mgt = "heavy on the sticks"

I can't exactly define it, but I know it when I see (and experience) it!!

When I'm "light on the sticks" I can tell and the heli loves it- but when I'm "heavy on the sticks", boy can I tell it cuz I get the bog and she's all over the sky.. and I can tell she ain't "happy"

I'm trying to get the shortest possible stick throws for the desired moves

I'm up to about 15%-20% "light" and the rest, "heavy"

You know what I mean...
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08-24-2008 05:18 AM  12 years ago
MaxAdventure

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Northern CO

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Have to step in, because I see a communication gap. I don't see wrong answers, so much as 'unorganized' answers.

I'll start with the original question, 'what constitutes CM?' which I will take to say, 'what actions do I perform, in using CM?" - So, I point to the very logical and very key starting point of defining CM, and helibandit did just that, and with great detail (thanks for that!) Then we need practical application to really fathom the concept, which is what I believe most of the replies are, and (Pull-in-Pitch pointed out very nicely, thank you for that!)

I felt the need to say this, because it seemed I was reading "no, I'm right" between the lines, when really everyone was right as well as junkpilot inferring eight answers, possibly none right.

I really enjoyed reading this thread because I knew it was a skill I need to work on in general, but to see all these great areas mentioned where one should pay attention to collective management was very helpful for me! It's great so many talented an diverse voices on this board...

cheers!
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