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Other › idle up help. what is this all about
10-07-2005 01:16 AM  12 years agoPost 1
derf9h

rrNovice

TOLEDO, OHIO

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i was just wondering what idle up is all about. i know where the switch is on the controller but until now i've left it alone. i can hover inside and outside pretty well, staying within about a 2 foot square. i have the aero kit installed and nothing else. i don't know anything about idle up switch and what will happen when i switch it on. if anyone can let me know some inside info on this mode that would be great, i really don't know anything about this mode except thats what i hear people use when they go inverted. if it makes it easier to fly thats cool, just wondering what will happen. thanks

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10-07-2005 01:54 AM  12 years agoPost 2
pkh

rrNovice

Emmaus, PA

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That "inside information" can be found on page 19 of your manual!

Normal mode shuts your throttle off and gives you 0 degrees pitch at low stick, and goes up to full throttle and +10 degrees pitch at high stick.

Idle-up mode keeps your throttle at a fast "idle" (50% throttle) at mid stick, and increases throttle as you move the stick up or down. Mid stick is 0 degrees pitch, high stick is +10 degrees pitch, low stick is -10 degrees pitch.

Idle up gives you a higher head speed, in general, and allows you to go inverted since you can go into negative pitch. The drawback is, when you crash, you have to get out of idle-up very quickly and go to low stick to kill the throttle, or you'll fry your ESC and have to shell out $70 for a new 4-in-1 unit!



Paul
Two Raptor 50V2s
JR Venture 30CP
Two Shoguns
Blade CP

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10-07-2005 10:05 AM  12 years agoPost 3
Riverman

rrApprentice

Peace River, Alberta

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Hello

I'm still pretty new with helicopters, but I've put my Blade Cp through it's paces over the last couple months. One thing no one explained to me is that although idle up is used for aerobatics, this is not it's only use.
The wind seems rarely rest where I live, so dealing with a 5-15mph wind was a skill I quickly aquired. Simply put, when flying into the wind, the helicopter experiences more lift and you are going to correct by lowering the 'collective' to maintain altitude. If you are idle up 'off', you are going to drop your headspeed significantly and thereby decrease the stability and authority of your cyclic control. If the wind is gusting and suddenly drops speed, you are going to be stuck in a low head speed and drop like a rock... You could potentially even kill the throttle completely. Not a good thing in a non free wheeling electric heli. However, if you are in idle up mode, your head speed is generally kept higher and throttle never drops below 50%. Control is maintained by a consistently high head speed and you can just control the pitch of your main rotor blades to suit the wind or specific phase of flight eg. fff.
There are other scenarios that I am learning that low or even negative pitch comes in handy such as abrupt transistioning from fast forward flight to a hover often requires drastic lowering of the collective to prevent the heli from acsending.
One thing is for sure, if you'e going to fly in idle up mode you better develope the reflex to turn it off and kill the throttle when you're going to crash. It is not easily developed in my experience. Remember that down is off on the switch.

Just my two cents, Brett

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10-08-2005 02:40 PM  12 years agoPost 4
Gary Hoorn

rrKey Veteran

Annapolis Maryland​USA

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Brett,
I am with you. I never ever fly around the field or in any kind of wind in Normal Mode. You need that headspeed and negative pitch at times! People need to practice and learn where the switches are so you can find them in an emergency.

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10-09-2005 12:27 AM  12 years agoPost 5
pkh

rrNovice

Emmaus, PA

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I've flown in wind in idle-up and normal mode... idle-up is definitely easier, and the heli is more stable and responsive, in general, windy or not.

For a beginner just learning to hover, I don't see that it's necessary, though... you'll be keeping it low and "landing hard" quite a bit, so I'd say you're better off not risking your ESC for idle-up mode at the beginning.

If you want to use idle-up, definitely practice switching to normal mode and going low on the left stick... it doesn't take long to fry the stock ESCs (the replacement ESCs/4-in-1s seem to have better overcurrent protection than the stock ones).



Paul
Two Raptor 50V2s
JR Venture 30CP
Two Shoguns
Blade CP

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