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HomeAircraftHelicopterHelicopter Main Discussion › First Forced auto
10-31-2011 04:14 AM  6 years agoPost 1
ShuRugal

rrKey Veteran

Killeen, TX

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Well, i had my first forced autorotation today. I recently changed my tail hub, and the new one was not -quite- 100% tightened down. three minutes into the second flight of the day, tail starts slowly sliding out, then constant pirouette.

was at about 50 feet crossing the field, slowed up when the tail started wandering, then after the first full uncommanded revolution, popped throttle hold, dropped collective, and brought her down. landed heavy, but kept the skids level and no bouncing.

Didn't bust a thing. Got the hub re-centered with the set-screws in the dimples of the shaft and made sure to use loctite this time (don't recall if i did or not when changing the hub) and i believe all is well.

on the bright side, i now know for certain that i can auto a .30-size machine swinging 515 blades without busting anything, just gotta drop like a rock on the way down.

AMA 700159

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10-31-2011 04:17 AM  6 years agoPost 2
Wingman77

rrProfessor

Pulaski Tennessee

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autos are a key skill, practicing them can save you a lot of problems.. glad you got it down ok though!

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10-31-2011 04:45 AM  6 years agoPost 3
rilopez825

rrVeteran

Pembroke Pines, FL

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Great job and Practice those autos, I also had a forced auto this weekend as my tank cracked and lost pressure. It Was coming out of being inverted and engine died. Try to Make every landing an auto and on most .30 it's fun because you loose tail authority and its gonna do what it wants (yaw). That takes more skills to do that any 600 or 700 regular auto (IMO).

Richard

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10-31-2011 05:41 AM  6 years agoPost 4
RC.

rrVeteran

Bay Area Ca.

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good job. Force autos are the best expecially when you're successful.

Autos will save you. It saved me numerous times

RC.
MI Flyers.

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10-31-2011 06:00 PM  6 years agoPost 5
McKrackin

rrProfessor

Lucasville,Ohio

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Grats...

I got me a bunch of them since switching to nitro...WHAT? Out of fuel?

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10-31-2011 06:02 PM  6 years agoPost 6
Ronald Thomas

rrMaster

Gainesville, Fl, USA

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Nice save

Team MikadoUSA 480XXTreme, 550SX, 600SX, 700XXTreme, 800XXTreme!!

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10-31-2011 07:20 PM  6 years agoPost 7
rcnut

rrElite Veteran

Rockford, Illinois

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Nice save indeed I make it a habit to practice autos at the end of every flight...cause you never know when you will need to rely on those skills.

Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!

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10-31-2011 09:09 PM  6 years agoPost 8
MANCHA

rrVeteran

Cabo San Lucas, Baja- Mexico

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You shall always finish every flight with an "auto".
keeping this skill sharp saves tons of money in the long run !!

MANCHA

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11-01-2011 02:38 AM  6 years agoPost 9
ShuRugal

rrKey Veteran

Killeen, TX

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i have had somewhat a fear of practicing autos. Every deliberate auto from greater than 4 feet i have ever performed has damaged the helicopter i performed it on. The nexus broke a strut, received numerous boom-dents, and even one busted blade from practice autos.

Although, i must say, this has somewhat increased my confidence in my ability to do them.

AMA 700159

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11-01-2011 03:02 PM  6 years agoPost 10
rcnut

rrElite Veteran

Rockford, Illinois

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ShuRugal, autos are throttle management at its finest. Above 4 feet you need to reduce the throttle (collective pitch), thin increase the throttle.

Have someone from your club help you, or go to some other club for the day and learn from them.

Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!

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11-01-2011 03:07 PM  6 years agoPost 11
rilopez825

rrVeteran

Pembroke Pines, FL

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You might want to tighten your blades a bit. That way you won't have boom strikes as it comes down.

Richard

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11-01-2011 03:16 PM  6 years agoPost 12
Stephen Born

rrElite Veteran

USA

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I remember my first forced auto with my 700e. I never had an auto before. I was about 15 feet high, when all of a sudden the motor quit and the heli was on it's way down. I used collective and gently set it down. Even though the motor shut down, I just "flew" it like I normally would and didnt panic. One of the heli pilots at our field came up to me and said "You realize you just did an auto?" Found out later a cell was bad in one of the 6s. And that gentlemen, was my first auto. Now, I auto EVERYTIME with my 700e.

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11-02-2011 02:11 AM  6 years agoPost 13
Rogman88

rrElite Veteran

West Monroe, LA

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I had a series of TT gear strippings with my old Trex 600 ESP. 3 forced autos prior to ever practicing autos in real life. Shortly after that, I started practicing autos from 30 feet high or so. Recently, I've started practicing autos up high, inverted with piros etc. I feel alot better if I have to bring one in unexpectedly.

High Voltage just works better

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11-02-2011 03:11 AM  6 years agoPost 14
ShuRugal

rrKey Veteran

Killeen, TX

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this incident has definitely raised my confidence a fair bit, now that i know it is possible to auto with 515 blades. Just have to bring it down fast and keep it level.

I definitely intend to begin practicing them, i just need to work out the best way to go about doing it. One thing that has held me back from simply practicing descents and bailing out is the fear that the engine may quit when the TH is disengaged, which would leave me 4 feet in the air with perilously low headspeed.

AMA 700159

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