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 Post subject: Re: Cirrus SF50
PostPosted: 08 Nov 2017, 18:43 
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Username Protected wrote:

I agree. However, Alan Klapmeier a long time ago commented on Eclipse and the original Kestrel that the planes were designed around the FAA standard adult. As such, the planes were too small, and could never sell. This belief is why Cirrus has a larger cockpit for shoulders than many other designs, with the side yoke out of the way for your gut...



Tim


Tim
An Eclipse is actually bigger inside than a TBM higher and wider.

I don’t fit in a Meridian or Honda Jet but am very comfortable in my Eclipse


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 Post subject: Re: Cirrus SF50
PostPosted: 08 Nov 2017, 22:25 
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Username Protected wrote:
An Eclipse is actually bigger inside than a TBM higher and wider.

True enough. TBM has maximum cabin width of 47.64 inches and height of 48 inches. Eclipse has maximum cabin width of 56" and height of 50".

Ken


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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 02:10 
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Username Protected wrote:
TBM has maximum cabin width of 47.64 inches and height of 48 inches. Eclipse has maximum cabin width of 56" and height of 50".

The Eclipse has a constantly changing cross section, the TBM has a uniform cross section for part of its length. Thus the Eclipse measurements represent one specific fuselage station but everywhere else is less, so its effective and/or perceived interior size is less than those numbers.

Mike C.

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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 07:53 
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I have yet to confirm if I can share details publicly, but I can say that Cirrus had an EXTENSIVE testing program on the chute and rocket involving several airframes.

Mike, why would you post what you did regarding a lack of testing and owners being the test dummies?

————————

I also had a first hand account from a long-time friend/Pilot/jet and piston mechanic who flew the jet. His impression is you could teach a new student in the jet more easily than a piston single. He flew it from taxi to shutdown, and they explored all edges of the envelope. He was blown away.

I’ll wait to share those details until I fly it myself.

——————

There was lots of buyer interest in Scottsdale including a guy wanting to dump his Honda jet for a Cirrus due to lack of utility in the Honda. You can pull out seats in the SF50 in seconds. Apparently the Honda seats don’t come out. This Honda info is second-hand fyi. Can anyone confirm?

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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 10:07 
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Username Protected wrote:
The Eclipse has a constantly changing cross section, the TBM has a uniform cross section for part of its length.

The Eclipse cabin width is more than 8" greater than the TBM at the entry door. It tapers to being more 3" greater than the TBM aft of the rearmost seat. You were incorrect about the comparative cabin width:

Image

However, you're right about the perception of cabin size. My own personal opinion is that the perception of a small cabin is a result of showing the plane with 5 seats, when many, perhaps most, operators fly with just 4 seats. As a 4 seater, the interior is very spacious, with each occupant having considerably more legroom than any occupant in a TBM or a Mustang.

The Eclipse is IMHO tight with the available 5-seat and 6-seat configurations, but there are a number of legal 2, 3 and 4-seat configurations that can be set up by the operator on a whim, without even so much as a logbook entry, and all provide a lot of space for everybody:

Image

Ken

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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 10:55 
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Username Protected wrote:
Mike, why would you post what you did regarding a lack of testing and owners being the test dummies?

Because Cirrus begged the FAA to excuse them from testing the system for certification.

The FAA agreed.

I believe the first customer chute pull in an SF50 will be the first time it has been done in a fully type conforming example.

Quote:
I also had a first hand account from a long-time friend/Pilot/jet and piston mechanic who flew the jet. His impression is you could teach a new student in the jet more easily than a piston single.

That was not a type rating course.

"Easy" to fly is not the same as "easy" to achieve qualifications to fly.

Mike C.

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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 11:18 
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This is what you said. So when you makes these posts sound like facts, I’m wondering where your info is coming from. Do you have any? Are you assuming based on media reports?

Username Protected wrote:
Wouldn't the impact energy under the chute canopy in the Cirrus surely be less than the Bonanza?

Probably. No one really knows because Cirrus never did a full up system test as they petitioned the FAA to excuse them from that requirement. Part of that argument is that the chute provides no benefit towards any certification requirements.

One issue is that the SR series always had the landing gear to absorb impact since it was fixed gear. The SF50 doesn't, the gear could be retracted at impact. So the impact may be more severe.

The first customer to pull the chute will become a test pilot. It will be interesting to see what the outcome is.

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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 11:26 
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Username Protected wrote:
So when you makes these posts sound like facts, I’m wondering where your info is coming from. Do you have any? Are you assuming based on media reports?

https://www.federalregister.gov/documen ... ery-system

"The FAA believes that test or analysis supported by test will provide an acceptable level of safety to demonstrate that the system will perform its intended function; therefore, no in-flight deployment on a test airplane will be required."

If Cirrus had done a full up in flight test, why spend the time and effort for getting this special condition to excuse them?

Cirrus was allowed to show compliance by "testing and analysis".

Mike C.

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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 11:49 
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So lets not state assumptions as facts. Its easy to do. See my post above.

BT used to have a serious contingent of “fact checkers” (actually insiders), so this forum developed a reputation as a reliable source of info. Lets preserve that, even though we seem to have run off many experts with “typical” forum nonsense.

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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 13:08 
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Username Protected wrote:
I have yet to confirm if I can share details publicly, but I can say that Cirrus had an EXTENSIVE testing program on the chute and rocket involving several airframes.

Please list serial numbers of those airframes.

You need to hear your own sermon on facts and start providing some.

If such a test was done, where's the video? Cirrus wasn't bashful about showing it for the SR series.

BTW "extensive testing program" does not necessarily mean "full up test in flight with type conforming example".

What I have as fact is that Cirrus undertook a special condition submission which took a long time and which excused them from a in flight test. You don't do that, and then ALSO run the test. Duh.

Mike C.

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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 13:11 
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Username Protected wrote:

What I have as fact is that Cirrus undertook a special condition submission which took a long time and which excused them from a in flight test. You don't do that, and then ALSO run the test. Duh.

Mike C.


1) FAA says jump, you say how high. Repeat until FAA happy
2) Reasonable Internal testing that makes your engineers happy

Two VERY different things for a testing program. No sane mfr wouldn't try to get out of 1 and still do 2.


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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 13:15 
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Username Protected wrote:
2) Reasonable Internal testing that makes your engineers happy

Not necessarily a full type conforming in flight test.

Cirrus was specifically asking to use testing and analysis to AVOID the in flight all up test.

I remain convinced the first customer pull will be the first type conforming in flight activation.

Mike C.

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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 13:16 
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Username Protected wrote:
1) FAA says jump, you say how high. Repeat until FAA happy

The Cirrus SC was specifically Cirrus asking not to jump and to substitute analysis of how high they could jump if they wanted to.

Mike C.

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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 13:21 
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You don’t know what you don’t know in this case Mike.

I’m not the guy representing false statements as facts.

You can get wordy, and argue, but the facts remain. Your tactics are transparent. My question is what is the point? Why make assumptions (which turn out to be incorrect) and state them as fact?

Why not just say “maybe” “in my opinion” “my assumption” “I’m guessing here” “it seems to me”?


Will you answer this with a Yes or No response?

Do you know for a FACT that fully-loaded airframeS have not touched down under canopy?

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 Post subject: Re: Cirrus SF50
PostPosted: 12 Nov 2017, 13:30 
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Username Protected wrote:

If such a [CAPS] test was done, where's the video?

It's on Youtube. Have you looked?

Ken


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