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Home✈️Aircraft🚁HelicopterBeginners Corner › Collective management
07-19-2006 04:10 PM  14 years ago
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Raptorchief

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Kalkaska, MI USA

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Collective management
I'm a new heli pilot, I have 19 flights. I'm flying a raptor 50 V2 running a TT 50, Futaba 7chp, GV1 at 1500 rpm in normal mode, I have been flying in mild wind 5-10 mph, some gusts, I know the heli will float up and down due to the wind, however mine seems to be going excessivly high, up 15 feet, I am working the collective but it takes what to me seems a long time to respond, by the time it starts coming back down I'm in the add mode to keep it off the deck, I have no expo dialed in. Is this normal or should I increase the head speed? or some other ideas. Mark
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07-19-2006 04:16 PM  14 years ago
jsenicka

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Eagle River, WI

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1500 is a tad low, but more important, is what is your pitch curve/range for normal?
Do you have at leasdt 3-4 degrees negative on bottom of stick?
Jim Senicka
Team Manager, GrandRC Flight Team
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07-19-2006 04:19 PM  14 years ago
Raptorchief

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Kalkaska, MI USA

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Yes I'm running -3 to -4 degrees and about +9 on the top.
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07-19-2006 04:23 PM  14 years ago
Yugdab

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Bedfordshire, England

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Depending on how strong the gusts are and whether you are getting any thermal effects the heli can balloon 20 to 30 feet and you may need loads of negative to overcome this. It might even be necessary to setup an idle up mode so that you have the head under power to bring the heli down.If things don't change... they'll stay as they are!
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07-19-2006 04:45 PM  14 years ago
PaulJC

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Hertfordshire UK

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The low headspeed of 1500 will not help in situations like this, raise the headspeed a little, even though it will give the heli more lift in gusts it will also give it more responce and control, its one of those things that you learn to live withRe-entering the atmosphere...
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07-19-2006 04:46 PM  14 years ago
deafheliflyer

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Arizona

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hi
raise headspeed to 1650 ..

just my .02 cents
Crash-Prone and overcoming it!!!
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07-19-2006 11:40 PM  14 years ago
Yug

rrMaster

UK. Herts

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Higher HS will help responsivness. Also consider setting up symmetrical collective in all modes.Vegetable rights and Peace
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07-20-2006 12:14 AM  14 years ago
Escrima1

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CA

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Unless you think that you'll jam your collective all the way down in a panic situation (seeing your heli baloon up) try putting in more negative pitch, like up to -6, or learn to go into idle1 so that you have more head speed and more negative pitch.
As a beginner this will be almost like suicide, but you'll need to be able to pull that heli down when needed and sometimes right away.
I'm new, where is the reset button on this radio?
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07-20-2006 01:25 PM  14 years ago
Raptorchief

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Kalkaska, MI USA

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Thanks to all for the advice, I did raise the headspeed to 1600, it made a difference, I flew 2 tanks last night. MarkI'm not a pilot, I'm a crash facilitator!
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07-21-2006 11:53 PM  14 years ago
shawgl

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Murrieta, CA

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Great that it's helping, something else that was not asked... Do you have your idle up set yet? I did a similar thing when I first started, Ended up with my rappy at about 25 feet and the wind didn't want to let me have it back. Well my set up was -4 degrees at full down. Well with no idle up set your rotor speed drops drastically. So if you have your idle up set you are actually "flying" it down versus letting it fall and bleeding head speed at the same time which leats to the last second save by putting in a ton of collective.

Just a thought. It will keep you from having to do emergency full throttle that is never a good idea when you are just learning.
In God we trust, everyone else we monitor.
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