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HelicopterMain Discussion › Your auto secrets
11-22-2006 02:56 PM  11 years agoPost 21
PaulJC

rrElite Veteran

Hertfordshire UK

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TIP: When you set up a new ship don't forget to set up TH

Brand new R50 hyper, flip switch.....................SILENCE!!!!!!

1st ever engine off auto, performed on a BRAND NEW ship, you can bet i'll never make that mistake again

Re-entering the atmosphere...

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11-22-2006 03:01 PM  11 years agoPost 22
Tyler

rrElite Veteran

Chicagoland area

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Best Tip from Ron.....

The best tip I learned from Ron was the importance of taking the model up very high and practice flipping the switch to enter AND exit throttle hold. Climb to 150 feet, start a moderate descent with some forward speed, flip the switch, descend for 50 feet and flip back out and resume flying. The model should not stop flying and everything should be smooth and gentle.

Once you get the hang of switching, start to notice how the model's characteristics change once the switch is flipped. There are many dynamic forces that change when the torque and H.P. from the engine are removed from the equation. I had previously set all my trims to match my other flight modes, but soon realized that I needed a different set of aileron and elevator trims when doing autos. Performing short autos at altitude will give you time to watch the model and determine what settings your model needs, and you don't have to worry about smacking the ground.

After a practice auto at altitude, I would flip back into normal flight, land the model and give a click or two here and there. Then fly back up to 150 feet, do another test auto, and flip back into forward flight. When the heli remains nuetral while autoing, you are set.

I didn't realize how much head speed I was killing by "flying" or making corrections to my untrimmed heli to the landing pad during autos. I would flip into hold, notice the heli was rolling or yawing, etc. and correct it. Then as soon as I release the sticks, the heli would start to roll, yaw, etc. again. Mind you that my brain was in overload mode at this point. I was fighting the heli all the way down, and had little brain power and/or headspeed left to settle into a gentle flare.

Once the heli can descend on its own, you will find that the auto is almost like autopilot, except for the flare and set down. Performing the above steps will save your metal power and head speed for the end of the auto, which is where you need it.

"Stop fighting the heli and let it do most of the work for you." Quote from Ron Lund

Tyler

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11-22-2006 03:07 PM  11 years agoPost 23
MrMel

rrProfessor

Gotland

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My tip is Phoenix Simulator, its almost 100% accurate when it comes to autos.
Train there as much as you can, then go out and do them in real life with renewed confidence.

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11-22-2006 03:13 PM  11 years agoPost 24
red_z06

rrProfessor

Dumont, NJ

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Here is the G3 setup Justin Chi(G) uses to practice auto.

Use Dominion or Raptor 90SE and modify Blade weight to 50-75% reduce momentum/energy. You will find out that you run out of head speed quickly so you have to have a better contol. With this setup, the real 90sized bird will actually auto longer than sim.

While in auto, keep un eye on the gadget with rotor head speed. While descending, try to maintain the head speed until you flair. Oce you can maintain blade speed during auto, try to give full positive pitch when you go TH until the heli starts to wobble due to loss of head speed. Then start to feed negative pitch to rebuild head speed. Vary pitch setting to find out what works best in building head speed.

Once you can rebuild head speed, your autoing confidence will sky rocket.

www.JustinJee.com

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11-22-2006 05:42 PM  11 years agoPost 25
caseyjholmes

rrElite Veteran

Portland, Oregon

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I do it as Ron suggest in his article. (but never saw that before untill now)

hold is same as normal mode. -6 max for hold. When I auto, I go to half neg (-3°) and I hear that nice "fluttering sweet spot" Ron speaks of. IT then comes floating down like it's on a cloud, and I flare about 3 feet before the ground.

-6° is good for inverted autos for me too (doesn't really require any pitch to flip it over anyways)

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HelicopterMain Discussion › Your auto secrets
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