My buddy crashed his eagle the other day

General » Aviation

[ARCHIVED THREAD] - My buddy crashed his eagle the other day

Posted: 7/3/2012 7:16:05 AM EDT

Nothing but a sprained ankle

Posted: 7/3/2012 7:40:13 AM EDT

[#1]

He say what happened (other than the obvious

)?

Posted: 7/3/2012 7:57:32 AM EDT

[#2]

lucky, he go buy a lotto ticket also?

seriously glad he is ok

Posted: 7/3/2012 8:18:53 AM EDT

[#3]

WOW Glad he's safe and sound!

Posted: 7/3/2012 9:42:56 AM EDT

[#4]

Apparently an accumulator on the prop failed and the prop feathered.......

Posted: 7/3/2012 12:15:45 PM EDT

[#5]

Quoted:
Apparently an accumulator on the prop failed and the prop feathered.......

Ouch.

In cruise, that wouldn't be all that bad (unless you were over really inhospitable terrain), but while doing aerobatics, it is a serious AW SHIT! moment.

Posted: 7/3/2012 1:40:22 PM EDT

[#6]

thank heavens it didn't fail to the flat pitch position. I lost two co-workers and a whole plane load of people when a prop pitch change actuator failed and it was 50/50 as to which way it would go...fate that day chose flat pitch.

Posted: 7/3/2012 6:48:57 PM EDT

[#7]

Why would low pitch be worse?

Posted: 7/3/2012 8:23:42 PM EDT

[#8]

Usually single engine airplane props fail to flat pitch. Essentially a climb prop. I'd prefer that to feathering!

Posted: 7/4/2012 5:45:51 AM EDT

[#9]

Quoted:
Usually single engine airplane props fail to flat pitch. Essentially a climb prop. I'd prefer that to feathering!

At climb pitch the ole airscrew is still making power, not so much at feather

Posted: 7/4/2012 6:04:53 AM EDT

[#10]

I'm not familiar with any other piston single that fails to feather, any idea why it's setup that way? Maybe something to do with the inverted oil system?

Your buddy is a lucky man...Not because he walked away but because he'll never buy another beer again.

Posted: 7/4/2012 10:35:06 AM EDT

[#11]

Quoted:
thank heavens it didn't fail to the flat pitch position. I lost two co-workers and a whole plane load of people when a prop pitch change actuator failed and it was 50/50 as to which way it would go...fate that day chose flat pitch.

In a -120?

Posted: 7/4/2012 10:40:33 AM EDT

[#12]

Quoted:

Quoted:
thank heavens it didn't fail to the flat pitch position. I lost two co-workers and a whole plane load of people when a prop pitch change actuator failed and it was 50/50 as to which way it would go...fate that day chose flat pitch.

In a -120?

I'm assuming the crash that killed "Sonny" Carter in 1991.

Posted: 7/4/2012 10:45:17 AM EDT

[#13]

Quoted:
Why would low pitch be worse?

It depends on the situation. If the engine stops running (or if you need to shut it down due to a fire, low oil pressure, etc.) you want it to feather. Strangely, a windmilling propeller generates almost as much drag as a solid circular plate of the same diameter. At least that's what they told me in flight training.

If the engine is still going, you want it to still be able to generate thrust.

Posted: 7/4/2012 12:30:01 PM EDT

[#14]

Jeez, it looked like a way tricked-out landing.

Posted: 7/4/2012 12:35:06 PM EDT

[#15]

http://www.youtube.com/watch?feature=player_embedded&v=PfYso5TInDA

One of the other videos showed it pretty banged-up.

Posted: 7/4/2012 2:50:31 PM EDT

[#16]

Your buddy will be happy to know his little boo-boo made it to the national news here in the Philippines.

Glad he's OK.

Posted: 7/5/2012 5:38:36 PM EDT

[#17]

Maybe it was just because I already knew what was coming, based on the thread title, but it looked painfully obvious what was going to happen. Reminds me of an airshow I went to when I was in high school, where a guy was doing snap rolls on a 45deg down line and I knew long before he hit the ground that he had done one roll too many. He wasn't so lucky though.

He followed his wife, who had died a few weeks prior in a crash.

I'm glad to know your friend made it though. I would not have expected that, based on video alone. I have friends who do acro competition and instruction, and I worry about them a lot. Also lost two professors in a mid-air while practicing for a show.

Can't afford mistakes doing stuff like this.

Posted: 7/5/2012 5:47:30 PM EDT

[#18]

Quoted:

Quoted:
Why would low pitch be worse?

It depends on the situation. If the engine stops running (or if you need to shut it down due to a fire, low oil pressure, etc.) you want it to feather. Strangely, a windmilling propeller generates almost as much drag as a solid circular plate of the same diameter. At least that's what they told me in flight training.

If the engine is still going, you want it to still be able to generate thrust.

Yup, if the prop fails flat (they should bleed to feather like this one did), it's like putting a barn door on the front of the plane. One-way trip to stallsville.

Posted: 7/5/2012 6:55:42 PM EDT

[#19]

Quoted:

Quoted:
Why would low pitch be worse?

It depends on the situation. If the engine stops running (or if you need to shut it down due to a fire, low oil pressure, etc.) you want it to feather. Strangely, a windmilling propeller generates almost as much drag as a solid circular plate of the same diameter. At least that's what they told me in flight training.

If the engine is still going, you want it to still be able to generate thrust.

Yup, if the prop fails flat (they should bleed to feather like this one did), it's like putting a barn door on the front of the plane. One-way trip to stallsville.

Flat props help steepen approaches too ...

Posted: 7/10/2012 4:02:35 PM EDT

[#20]

I like his quote about what was going through his mind, "...fly the plane as far into the crash as I can..."

Just damm.
Glad your buddy is ok OP.

7mm

[ARCHIVED THREAD] - My buddy crashed his eagle the other day

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