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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 13:34 
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Why do people make the assumption that two engines is cheaper to manufacture than one?
I can get the R&D aspect of building the plane. But ongoing manufacturing costs I would think play a larger part in the ability to determine price

Tim

As Mike had previously mentioned, I would guess that the insurance cost for the manufacturer on an engine mounted to a single would be drastically higher than on a twin. That money has to be figured in the sale price.

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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 13:52 
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Username Protected wrote:
Why do people make the assumption that two engines is cheaper to manufacture than one?


Seems obvious that a big turbine costs more to manufacture than a small one. Longer blades, more titanium, etc. You expect a 747 engine to cost the same as a PT6?


But is that single engine twice the costs of two small ones?
Consider part counts. You have half the parts count in a single compared to twins, you have less assembly... These engines are still a low enough volume there is extensive manual labor involved, so a single would have a lot less labor.

Tim

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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 13:55 
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Username Protected wrote:
Why do people make the assumption that two engines is cheaper to manufacture than one?
I can get the R&D aspect of building the plane. But ongoing manufacturing costs I would think play a larger part in the ability to determine price

Tim

As Mike had previously mentioned, I would guess that the insurance cost for the manufacturer on an engine mounted to a single would be drastically higher than on a twin. That money has to be figured in the sale price.


I believe it when I see an invoice from the insurance company, or maybe a statement from PWC on the liability costs.
However, the failure rate on turbines is so low, I doubt that this is as much a factor as we make it out to be. How many SETP failures have resulted in huge settlements compared to shipping numbers? The basics of a turbofan and turboprop are almost identical. A hot section, a power section, blades... The only aspect really missing is a shroud.

Tim

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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 14:04 
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The only problem is the Eclipse company went out of business.

If the SF50 had been Cirrus only product, they would be out of business by now, too. As it was, they nearly died trying to design it and was saved by the Chinese.

Mike C.


Not sure that Cirrus is a unique company in terms of general aviation and financial challenges.

If I am not mistaken Hawker-Beechcraft went through bankruptcy. Piper went BK in the 1990s.
Mooney was bailed out by the Chinese. In the late '80s Gulfstream was purchased from Chrysler and re-invigorated by Forstmann-Little. Bombardier was in rough shape in 2015-2016.

Kind of like the ski industry... how to you make a small fortune in aviation? Start out with a large one.

Cirrus is not unique in Aviation in terms of struggling and needing cash. Annals are replete with other examples some of which have turned out well, some not so well. But not sure that it is fair to single out Cirrus in terms of the cash infusion. Seems more the norm rather than the exception. Also the "if" part of the statement kind of off base... point is the SF50 is not their only product and the Chinese did make an investment. Kind of like saying if my Aunt Rosalie lost her t*ts and grew b*lls, she would be my Uncle Rosario.

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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 21:30 
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Username Protected wrote:
As Mike had previously mentioned, I would guess that the insurance cost for the manufacturer on an engine mounted to a single would be drastically higher than on a twin. That money has to be figured in the sale price.


We have not seen any data to support that claim.


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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 21:33 
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You sure the PC-24 is more expensive?

PC-24: $9.1M (2018, based on $8.9M 2017 price and CPI-W)
CJ4: $9.2M (2018)
P300: $9.45M (2018)

These planes have nothing to do with an SF50, regardless.

Mike C.

Pilatus is quoting me $10MM+ for a PC24
Embraer is offering at close to million $$ less.


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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 21:35 
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Username Protected wrote:
Seems obvious that a big turbine costs more to manufacture than a small one. Longer blades, more titanium, etc. You expect a 747 engine to cost the same as a PT6?

SF50 vs Mustang..... which one has the BIG turbine?


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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 21:37 
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Username Protected wrote:
As Mike had previously mentioned, I would guess that the insurance cost for the manufacturer on an engine mounted to a single would be drastically higher than on a twin. That money has to be figured in the sale price.

That's BS too. No precedence. SETP's have the best safety record going. You think Pilatus pays higher insurance than King Air?


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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 21:53 
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SF50 vs Mustang..... which one has the BIG turbine?


Wasn't his analogy SF50 vs Eclipse? I could see how the smaller Pratt could cost half... probably costs half just being Pratt vs Williams.

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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 21:56 
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Wasn't his analogy SF50 vs Eclipse? I could see how the smaller Pratt could cost half... probably costs half just being Pratt vs Williams.

Eclipse works too I guess. I was just trying to keep it comparable to a jet a buyer would new that exists.....

So it has to be SF50 vs. M2. Why does an M2 cost 2X more? Why doesn't Textron just drop the price of the M2 to $2.5MM since they're so cheap to make?


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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 22:37 
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viewtopic.php?p=2293290#p2293290

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 Post subject: Re: Cirrus SF50
PostPosted: 28 Dec 2018, 22:38 
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Username Protected wrote:
https://www.beechtalk.com/forums/viewtopic.php?p=2293290#p2293290

That's not an explanation. That's "speculation".

Please show me how 2 mustang engines cost less than 1 SF50 engine.


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 Post subject: Re: Cirrus SF50
PostPosted: 29 Dec 2018, 00:19 
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Mustang engines are $1mm each. I doubt the SF50 engine is $2mm.

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 Post subject: Re: Cirrus SF50
PostPosted: 29 Dec 2018, 00:26 
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Give me the choice between flying first class commercial or trying to wedge myself in a PA46 cockpit (yes, I've tried several times), I'll take the former with a couple mil in the bank. I'd even fly a piston going 150 knots, verse dealing with my head pressed against the ceiling even if it was for a shorter time. IMO Piper made a MAJOR mistake with that cockpit. People who love to compare stats of one aircraft vs. another never consider comfort.


The newer PA46's are definitely roomier than the legacy aircraft. A lot of modifications over the years. More than anything there is a technique involved, and then a little athleticism helps. Once in place they are very comfortable. Would say no difference than a PC12 Mustang or any other cabin class aircraft that I have flown. I am 6'2 and 200 lbs and easily fit. I even pull the seat up one notch since all the way back doesn't feel right. These seats move forward back recline and also go up and down. So helps to know how to set them up. If you don't set them to your height can feel funny. I have seen some giant PA46 drivers at the convention. One could legitimately play front line for Greenbay by size criteria. ;) Heard someone once say the best way to fit in a PA46 is to want to fit in one. Kind of the OJ glove analogy ;-) Anyway, if you want to make it work, it you can make it work. I have flown more first class than I would like to admit to. Would take the M600 any day of the week.

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 Post subject: Re: Cirrus SF50
PostPosted: 29 Dec 2018, 02:08 
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Username Protected wrote:
That’s why the Citation didn’t work for me. It stood out going, high and far with lots of full seats. I was only doing long trips once a month and many of those didn’t have full seats. It would get to the coast or Wisconsin an hour ahead of my King Air using 100 gallons more fuel. The rest of the trips, the King Air made more sense. On short hops that were incidental on trips, the jet burned a LOT of fuel and didn’t get us there much faster.


On the other hand the jet was quieter, safer, less stressful, and could top weather or circumnavigate weather much more easily. Plus it gives you the option of doing longer trips more efficiently. Carrying more payload too. How do you put a price on that?

If you sold the king air and only flew the Citation what would be your incremental cost per year? Meaningful or a rounding error? When compared to the things mentioned above does it equate? I betting net net it’s no worse than a wash and likely better in favor of the Citation.

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