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03 May 2025, 18:28 [ UTC - 5; DST ]


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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 07 Jun 2024, 09:49 
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Joined: 12/03/14
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Company: Ciholas, Inc
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Username Protected wrote:
To say that for reduced Capex spend, you can tolerate increased opex, is a bit illogical to me- you're willing to toss more money into the furnace repeatedly, if you can shell out less up front?

Capex is burning money, too, you just don't see it explicitly so you don't realize how much it affects your total cost of ownership.

Case in point, I bought my Citation V in Dec 2020 for $700K. I could have bought a Meridian for about $1.5M, costing $800K more.

If I put that $800K in an SP500 ETF, it would now be worth $1.36M, a gain of $556K. That's more money than I spent flying the Citation the last 3.5 years in total, so at this moment, my total cost of ownership for the Citation is LESS than the Meridian.

I've also enjoyed a substantial run up in market value of my plane, far more than the Meridian market moved, which means if I sell today, my TOC is *way* less than the Meridian. I might have flown my Citation V for free if I did that. This effect is less predictable than the stock market, but a lower cost airplane has more upside potential than a higher cost one.

Quote:
Why not wait, and accrue more Capex, so that you can buy something nicer with a more tolerable opex.....

That tactic means you lost the utility of the better airplane for several years.

I cannot afford to fly a PC-12 (~$3M capex) but I can afford to fly a Citation V. That's not exaggerating.

Mike C.

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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 07 Jun 2024, 10:06 
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Joined: 08/12/08
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Location: Santa Barbara, CA
Aircraft: '76 A36 TAT TN 550
Username Protected wrote:
Im curious, do you know what your numbers look like when you get 190 TAS. I have a western skyways, and everyone Ive spoken to with tornado alley seems to be getting better numbers than mine

At 11,000 to 12,000 I am seeing 170-175 TAS, 14-15 GPH, 80 degrees LOP (Peak TIT is 1500 for me, tried it multiple times), 29.96 manifold, 2500 RPM.

They look like this… WOT, 2300 (ish) RPM, 15.7 (ish) GPH. Typically right around 159 or 160 KIAS.
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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 07 Jun 2024, 11:37 
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Username Protected wrote:
At 11,000 to 12,000 I am seeing 170-175 TAS, 14-15 GPH, 80 degrees LOP (Peak TIT is 1500 for me, tried it multiple times), 29.96 manifold, 2500 RPM.


These numbers are off....1500 TIT is not peak anything on these engines, you're doing something wrong

14-15gph at 29.96/2500 is too low, you should be seeing 17gph


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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 07 Jun 2024, 15:43 
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Joined: 06/04/23
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Aircraft: Bonanza A36
It seems you have a really good grasp on the older jet market.

An avenue I have not explored.

Im curious if you have any data on expenses related to your citation and hours before entering (insurance, annuals, programs if your engines are on them, and the cost for type rating/recurrent training?)
Perhaps not now, but an older jet may be the right decision for me to make (still evaluating)


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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 07 Jun 2024, 19:26 
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Joined: 11/08/13
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Location: KCRQ
Aircraft: Breeezy, 172,601P
Aerostar.... fits all the boxes.


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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 07 Jun 2024, 20:09 
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Joined: 05/05/09
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Aircraft: C501, R66
Username Protected wrote:
OP mentioned a $50k - 100K annual operating budget - this tends to translate to piston aircraft. This budget wouldn't keep a relatively new PC12 operational, let alone a relatively mature twin turbofan.
Exactly. Older turbines, e.g. Citations, are cheap to buy BECAUSE they are expensive to own.


How many Citations have you owned Dave and how many hours do you have in them to make such a comment? This hasn't been my experience. I think they only Delta between my 501 and your Evolution in an average year is the price of about 80 GPH which is about $320/hour. For a certified known ice, RVSM twin engine jet that goes to FL410 I'll take that any day of the week. You did a great job on your Lancair but you are kidding yourself if you think you're saving money over a 501 after the thousands of hours of love you put into it.

Mike

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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 07 Jun 2024, 21:39 
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Joined: 12/22/09
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Location: Bend, OR
Aircraft: 1976 Baron 58P
Username Protected wrote:
OP mentioned a $50k - 100K annual operating budget - this tends to translate to piston aircraft. This budget wouldn't keep a relatively new PC12 operational, let alone a relatively mature twin turbofan.


What is the operating budget for a PC12- one of the more expensive turboprops?

My only data point for turbine is from an older Meridian.
Annual is around $25-30 K and insurance is around the same $25 K (for a low time 400 hour pilot)

My hangar rent is around $6000 a year, would change minorly for a VLJ or turboprop.
Fuel on turboprops seems to come between $250-400 an hour (estimating 35-60 gallons at $6 /gal of Jetfuel), ($25,000-$40,000/year for 100 hours of fuel)

Is there something else I am missing?


I go through this mental exercise often. And I go through the same math, often. I own a 58P.

The other things that I consider are:

1. Hangar availability. Sounds like you are renting a community hangar. I have a hangar at my home drome and at my 2nd drome. Can't get anything bigger than a standard "T" at either end. So going up from a 58P means I don't have a hangar any more at either end.

2. Getting insurance at a reasonable cost.

3. Training costs. Please don't give this short shrift, especially for a turbine twin. Regular, recurrent training.

4. Switching and hassle-factor costs of shopping. It sounds like from the comments that you are going to need to search for awhile to find the perfect fit for your budget. I just don't have the patience for that anymore. Maybe you do.

5. Top quality maintenance at-the-ready. I'm not sure where you are located. But you probably need to have good support dialed in for the type you want, before you buy it.

6. Not sure how to phrase this....but the "learning" costs of new missions in a new flight envelope with your regular, current experience level. FL350 picking your way around thunderstorms on a gotta-get-there mission is different than delaying a day because you'll be flying at 17,000 feet. I once lusted after the former. Now I'm content with the latter. I don't think you want to plan for the former right out of the gate, regardless of how capable the aircraft is. Others are more wiser on this point than me.

TN A36s are awesome planes. One perspective is just to keep flying what you have and spend the dough on 1st class tickets for the family on the once (or twice) per year longer trips.

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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 08 Jun 2024, 13:00 
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Joined: 08/12/08
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Aircraft: '76 A36 TAT TN 550
Username Protected wrote:
At 11,000 to 12,000 I am seeing 170-175 TAS, 14-15 GPH, 80 degrees LOP (Peak TIT is 1500 for me, tried it multiple times), 29.96 manifold, 2500 RPM.

Here’s another photo for you.

As you can see CHT’s range from 319 - 336 deg. F. EGT’s are not relevant but are in the 14xx range.

TIT which is most relevant is 1,551 deg F. which ranges from say 60 - 80 deg. F. LOP depending upon the cylinder (they vary a bit).

This is with an IO-550 (you may still have an IO-520).

This is with the TAT TN Whirlwind III with Rammer scoop and Beryl D’Shannon baffles.

You didn’t mention whether your TAS is knots or MPH but I hope it’s knots.

If I want to run 17.x GPH and 2500 RPM I’d fly even faster, but generally I cruise at the 2300 RPM numbers.

These are summer style (warm air) figures for my aircraft. In the winter when it’s much colder aloft the engine wants more FF to be appropriately LOP and as a result produces more power and higher speeds.
Attachment:
IMG_1123.jpeg


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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 08 Jun 2024, 18:51 
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Joined: 06/04/23
Posts: 16
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Aircraft: Bonanza A36
Username Protected wrote:
At 11,000 to 12,000 I am seeing 170-175 TAS, 14-15 GPH, 80 degrees LOP (Peak TIT is 1500 for me, tried it multiple times), 29.96 manifold, 2500 RPM.

Here’s another photo for you.

As you can see CHT’s range from 319 - 336 deg. F. EGT’s are not relevant but are in the 14xx range.

TIT which is most relevant is 1,551 deg F. which ranges from say 60 - 80 deg. F. LOP depending upon the cylinder (they vary a bit).

This is with an IO-550 (you may still have an IO-520).

This is with the TAT TN Whirlwind III with Rammer scoop and Beryl D’Shannon baffles.

You didn’t mention whether your TAS is knots or MPH but I hope it’s knots.

If I want to run 17.x GPH and 2500 RPM I’d fly even faster, but generally I cruise at the 2300 RPM numbers.

These are summer style (warm air) figures for my aircraft. In the winter when it’s much colder aloft the engine wants more FF to be appropriately LOP and as a result produces more power and higher speeds.
Attachment:
IMG_1123.jpeg



Thank you for the info! I sent my performance numbers to a ABS instructor who deals with TN Bonanzas and suggested I retry finding peak. I did do it 3 times per the book, but Ill try leaning slower.


These are my numbers as of now.

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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 08 Jun 2024, 19:39 
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Joined: 01/01/10
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Location: Roseburg, Oregon
Aircraft: Citation Mustang
These threads are fun to read. I remember starting the exact same process 10 years ago. One by one, I eliminated model after model and ended up with a Mustang. A TN Bonanza is hard to improve on in many ways.

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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 08 Jun 2024, 22:28 
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Joined: 08/20/09
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Company: Jcrane, Inc.
Location: KVES Greenville, OH
Aircraft: C441, RV7A
Username Protected wrote:
These threads are fun to read. I remember starting the exact same process 10 years ago. One by one, I eliminated model after model and ended up with a Mustang. A TN Bonanza is hard to improve on in many ways.

Agree. I envy you guys that don't need 6+ seats and 200 lb baggage capacity. You have so many good options for your mission.

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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 09 Jun 2024, 09:51 
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Joined: 11/26/16
Posts: 303
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Aircraft: G36
Kodiak
Similar fuel cost
Similar insurance cost
Similar maintenance cost
Similar speed
Two times people payload
Two + times the purchase price
Two + times the fun
1/2 the runway needed to operate


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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 10 Jun 2024, 20:05 
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Joined: 01/19/17
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Location: New York
Aircraft: B55 N212SM
I would be grateful to hear from Tradewinds turbine Bonanza pilots who can give me some numbers on landing and takeoff distances. We’re looking at one for short grass field, 1400 feet, Sea level airport, with trees on one end. what are your experiences at different weights.? Thanks in advance


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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 11 Jun 2024, 14:46 
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Joined: 12/20/15
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Username Protected wrote:
I would be grateful to hear from Tradewinds turbine Bonanza pilots who can give me some numbers on landing and takeoff distances. We’re looking at one for short grass field, 1400 feet, Sea level airport, with trees on one end. what are your experiences at different weights.? Thanks in advance


Mine got off the ground pretty quick and it stops quicker. I probably wouldn’t go crazy with Beta/reverse to slow down with FOD potential on that strip but it shouldn’t be a problem. What plane are you looking at? Feel free to DM me.


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 Post subject: Re: What is the next move up from a TN bonanza?
PostPosted: 13 Jun 2024, 00:48 
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Joined: 06/23/09
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Location: KIKK......Kankakee, Illinois
Aircraft: TBM 850
I moved from a TN Bonanza to a TBM and never looked back. They fly similiar.


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