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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 14:45 
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More BS! Why do people feel like they have to talk in terms of absolute truth? "Only"?
I would bet that most of those people buying the chute are very intelligent people and good pilots too. Sure some people don't see the pitfalls. That is like the biggest "Duh". And enhanced training has helped. But for almost all of us, for some time in our lives, there will always be something that we didn't know that we didn't know. I will wager $10k that Mike C screwed up yesterday; maybe even once in 2013.


Absolutely there are Cirrus pilots who get it. They understand the traps and operate accordingly. They will have alower fatality rate than a similar SE airplane.

But for everyone like that there will be 5 who take the airplane into a riskier environment with the false sense of security of having an "out".


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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 14:45 
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Username Protected wrote:

The chute does not allow you to build experience to help with the decision making.

This is like your professor forcing you to use a typewriter instead of Microsoft Word. Same exact thing.


What??

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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 14:47 
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I was in college when the internet hit. Professors banned internet forcing us to go to the library and do research "the old fashioned way".

People hate change.


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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:00 
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Username Protected wrote:
Quote:

But for everyone like that there will be 5 who take the airplane into a riskier environment with the false sense of security of having an "out".


Where did you pull that number from???

Know what? I've finally figured out the philosophical meaning of this thread. Even the tone deaf should be allowed to toot their own horn. Blow away. But I gotta tell you: in the real world the stuff you guys say is absurd as long as we have SEP or SEJ planes. And all planes have risks. Walking outside has risks. At some point I don't want mommy holding my hand though.

Need a new BT category: tone deaf horn tooters.

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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:05 
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I agree on the "tone deaf" lots of that.


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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:06 
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Know what? I've finally figured out the philosophical meaning of this thread. Even the tone deaf should be allowed to toot their own horn. Blow away. But I gotta tell you: in the real world the stuff you guys say is absurd as long as we have SEP or SEJ planes. And all planes have risks. Walking outside has risks. At some point I don't want mommy holding my hand though.


Whats up with the hand holding?


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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:08 
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Username Protected wrote:
You never went to the causes of the accidents.

To a large extent, the cause is the pilot taking on higher risk during the flight than they meant to because they had a chute to protect them. In just about every case, there were signs the risk was increasing that the pilot ignored. Had they heeded those signs, they would have avoided the accident way before the use of the chute was required.

Eclipse pilots have no chute. They have no fatal accidents, either.

Corvalis pilots have no chute. They have a lower fatal accident rate than Cirrus pilots.

Someone making an assessment of the value of the chute from field experience says it is at best neutral on safety and perhaps negative IN TOTAL IMPACT.

That's because the chute affects human judgment and the human is the most important piece of safety equipment on the aircraft.

This Cirrus chute thing has definitely become a religion. The advocates point to isolated cases where it made a difference. The critics point to the overall effect it has had on the fleet. Everybody gets to believe what they want.

The chute is a self UNfulfilling prophecy. The more the pilot believes in its value, the less benefit it has to him. It would be ideal if the pilot didn't know the chute was available and only presented itself as an option at the very moment you need it.

In terms of the SF50, the airplane would be better with two engines and no chute. That's my opinion. I'd rather it have a fleet experience like an Eclipse and not an SR20/22. Unfortunately, Cirrus wants it to be SR like with a single jet engine. I think that is a big mistake for a multitude of reasons, safety, performance, utility, and cost among them.

Mike C.

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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:10 
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Username Protected wrote:
I don't think that's the case being made. I think the case being made is that they buy the aircraft for its utility, but then use the chute as a feature that allows them to get more utility out of it than it really deserves. Consciously or unconsciously.

So what?

Many "twin pilots" here tackle situations that they claim they would not tackle in a single. It's been proven time and again that performance of a single or a twin is the same unless "an" or "the" engine quits.

So what? So that's why the "safety upgrade" doesn't move the needle on the actual results.

The biggest "so what" in the (early) context of this thread was that Mike has made the case that in the case of a jet, a twin engine is a better design because it is both more functional, no more costly (possibly less), and safer. People argued that the parachute is a safety feature that makes them equivalently safe. But it turns out, as shown by Cirrus' history with the SR series, that the parachute isn't really a safety improvement because people use it to buy "risk credit".

This whole thing started out with whether a single engine jet is a better product than a twin engine jet. In that context, the chute is a comparative point between the two. I think the whole chute vs. piston twin thing is, frankly, a side show that doesn't deserve a lot of argument. But in the case of a twin jet the twin clearly wins IMHO because most of the problems that arise in the design of a piston twin don't apply so much in jets and the second engine clearly adds a lot of value in other ways.

I don't think anyone is arguing against technological improvement. To me it's just the opposite - the SR50 is a technological step backwards because there is no good justification to build a single engine jet. The parachute is not a technology that enhances that product in a way that changes the equation.
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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:11 
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Username Protected wrote:
You never went to the causes of the accidents.

To a large extent, the cause is the pilot taking on higher risk during the flight than they meant to because they had a chute to protect them. In just about every case, there were signs the risk was increasing that the pilot ignored. Had they heeded those signs, they would have avoided the accident way before the use of the chute was required.

Eclipse pilots have no chute. They have no fatal accidents, either.

Corvalis pilots have no chute. They have a lower fatal accident rate than Cirrus pilots.

Someone making an assessment of the value of the chute from field experience says it is at best neutral on safety and perhaps negative IN TOTAL IMPACT.

That's because the chute affects human judgment and the human is the most important piece of safety equipment on the aircraft.

This Cirrus chute thing has definitely become a religion. The advocates point to isolated cases where it made a difference. The critics point to the overall effect it has had on the fleet. Everybody gets to believe what they want.

The chute is a self UNfulfilling prophecy. The more the pilot believes in its value, the less benefit it has to him. It would be ideal if the pilot didn't know the chute was available and only presented itself as an option at the very moment you need it.

In terms of the SF50, the airplane would be better with two engines and no chute. That's my opinion. I'd rather it have a fleet experience like an Eclipse and not an SR20/22. Unfortunately, Cirrus wants it to be SR like with a single jet engine. I think that is a big mistake for a multitude of reasons, safety, performance, utility, and cost among them.

Mike C.

This is "hand holding". The "holier than thou" attempting to dictate his own perceived standards of what "safe" means. Thanks Dad!

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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:13 
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Username Protected wrote:
So what? So that's why the "safety upgrade" doesn't move the needle on the actual results.

The biggest "so what" in the (early) context of this thread was that Mike has made the case that in the case of a jet, a twin engine is a better design because it is both more functional, no more costly (possibly less), and safer. People argued that the parachute is a safety feature that makes them equivalently safe. But it turns out, as shown by Cirrus' history with the SR series, that the parachute isn't really a safety improvement because people use it to buy "risk credit".

This whole thing started out with whether a single engine jet is a better product than a twin engine jet. In that context, the chute is a comparative point between the two. I think the whole chute vs. piston twin thing is, frankly, a side show that doesn't deserve a lot of argument. But in the case of a twin jet the twin clearly wins IMHO because most of the problems that arise in the design of a piston twin don't apply so much in jets and the second engine clearly adds a lot of value in other ways.

I don't think anyone is arguing against technological improvement. To me it's just the opposite - the SR50 is a technological step backwards because there is no good justification to build a single engine jet. The parachute is not a technology that enhances that product in a way that changes the equation.

You're assuming what Ciholas says is true. I'm not buying it. Cirrus has a lot of smart engineers too. Judge once it comes to market. If it sucks I'll be the first to bash I promise. :D


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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:14 
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Username Protected wrote:
This is "hand holding". The "holier than thou" attempting to dictate his own perceived standards of what "safe" means. Thanks Dad!

Methinks you need to differentiate between "dictate" and "attempt to persuade". What's an internet forum for if not discussion? Seems to me there has been plenty of discussion.

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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:15 
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Username Protected wrote:
You're assuming what Ciholas says is true. I'm not buying it. Cirrus has a lot of smart engineers too. Judge once it comes to market. If it sucks I'll be the first to bash I promise. :D

Yes, we are assuming different things. If and/or when the SR50 actually has examples in the field and flying we can all stop assuming.

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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:26 
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Username Protected wrote:
Methinks you need to differentiate between "dictate" and "attempt to persuade". What's an internet forum for if not discussion? Seems to me there has been plenty of discussion.

Agreed 100%. I love the back and forth. I've conceded a lot in this thread. Some here concede nothing. They just keep beating the same drum. It's like a political thread.

Technology advances. Adopters of new tech are not less capable because they "aren't doing it the old way".

Why train for vacuum pump failure when your plane has no vacuum pump?
Why train for VMC rollover when you have a single?
Why write a letter on a typewriter when you have a MacBook?


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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:27 
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Username Protected wrote:
Cirrus has a lot of smart engineers too. Judge once it comes to market. If it sucks I'll be the first to bash I promise.

Cirrus engineers have already spoken. High fuel flow, low speed, low full fuel useful load, short range, limited altitude, lacking redundancy. You don't have to wait for the plane to exist to know all that.

TF50 could be a twin that equals or exceeds an Eclipse in literally every way.

They chose not to, clouded by their piston think and chute religion. Oh well.

Mike C.

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 Post subject: Re: Cirrus SF50
PostPosted: 18 Dec 2014, 15:27 
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Username Protected wrote:
You're assuming what Ciholas says is true. I'm not buying it. Cirrus has a lot of smart engineers too. Judge once it comes to market. If it sucks I'll be the first to bash I promise. :D

Yes, we are assuming different things. If and/or when the SR50 actually has examples in the field and flying we can all stop assuming.

Welcome to what I said on page 2.

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