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11 Dec 2025, 22:15 [ UTC - 5; DST ]


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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 14 Sep 2016, 23:13 
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Joined: 01/16/11
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Location: Somewhere Over the Rainbow
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Flew from Telluride to Denver too, not frigging hotels avail..........may have to camp in the airplane......

Had a pretty good tail wind after they stopped throwing watermelons at me.

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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 15 Sep 2016, 08:10 
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Username Protected wrote:
Foreflight shows an avg 30 knot breeze on the trip so with a stop I was almost the exact same door to door time as a 260knot TAS would be non stop.

That's all good data but to be accurate..... the PC12 cruises at 270+ TAS. My chart I posted shows my "average TAS" over the whole 6 hours flight. What was you "average TAS"? Average TAS includes the speed in climb and descent.


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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 15 Sep 2016, 10:20 
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Joined: 05/04/14
Posts: 119
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Aircraft: Lancair evolution
What's the resell on the Evolution, these seem to sit on the market a long time; similar to the Epics and IV-P turbines.[/quote]

all evolutions are factory assembled that means all of them are done under factory supervision at redmond, with metal jigs and excellent finish with the builder assist doing most of the menial work like sanding and prepping, unlike the IV-Ps which are unknown quality since workmanship is impossible to trace and confirm. I would not hesitate to purchase any evolution as long as it has no accidents and the engine is good, the frame will last forever, If you look at them they all have straight wings perfect alignment all due to the technician working with you while the airplane is assembled, the only difference is in the interior finish which in my mind is not a safety issue but a matter of how many bucks the owner builder wants to spend


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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 15 Sep 2016, 12:33 
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Username Protected wrote:
Foreflight shows an avg 30 knot breeze on the trip so with a stop I was almost the exact same door to door time as a 260knot TAS would be non stop.

That's all good data but to be accurate..... the PC12 cruises at 270+ TAS. My chart I posted shows my "average TAS" over the whole 6 hours flight. What was you "average TAS"? Average TAS includes the speed in climb and descent.


My average groundspeed was 225 knots from wheels up in DC to wheels down in Denver. That includes the fuel stop. My average true airspeed is harder to calculate without an integrated flight deck, however, on the MU2 its pretty high b/c of how fast I climb and descend.

If you just take my groundspeed and add the wind vector over the trip west you get to 255kts. That seems about right. I cruised at 300 knots the entire way but stopped and had an additional climb out. If you did the same trip in the PC12 non-stop, if you averaged 255 TAS over the trip, with 30 knots on the nose you would have landed in Denver exactly when I did. Tortoise and the hare!

On the way to DC, I had no stops, did the trip in 4 hours 9 minutes and my average groundspeed was 313 knots wheels up to wheels down. I had about 25 knots on the tail over that trip. This makes sense as my foreflight profile I use 288 knots as my average TAS and I am always within a minute or two of plan barring deviations. In cruise I always right around 300 even.

My original point was that on a 1500nm trip, a 300 knot plane with a fuel stop is about the same door to door speed as a 270 knot plane without the stop. :thumbup:

Also, pulling back the MU2 to really low fuel flow yields PC12 specific fuel consumption, so in theory, they should both be able to do the same trips if you don't mind flying slow in the Mitts. The Pilatus, however, does have the ability to pull back even farther to long range cruise and go a bit longer in the air. 160 KIAS was about as slow as I would want to be in the Mitts at altitude.

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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 15 Sep 2016, 13:07 
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Trip to and from Denver

To Denver, in head up mode just to irk Jason

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From Denver this morning. Phenomenally beautiful morning.

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Man o man, what flying is all about

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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 15 Sep 2016, 13:31 
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Joined: 10/05/11
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Company: Hausch LLC, rep. Power/mation
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Severe Clear

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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 16 Sep 2016, 12:44 
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Joined: 07/24/13
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Did someone mention a 441?

Carlos


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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 17 Sep 2016, 02:22 
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Username Protected wrote:

My original point was that on a 1500nm trip, a 300 knot plane with a fuel stop is about the same door to door speed as a 270 knot plane without the stop. :thumbup:


Cruising at 300 knots, how far into the flight would you make a fuel stop?


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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 17 Sep 2016, 05:10 
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Username Protected wrote:

My original point was that on a 1500nm trip, a 300 knot plane with a fuel stop is about the same door to door speed as a 270 knot plane without the stop. :thumbup:


Cruising at 300 knots, how far into the flight would you make a fuel stop?

How about somewhere in the middle third wherever the fuel is the cheapest?

BUT,

There's only 33 minutes difference in going 1500 nm at 300 versus 270 (4:56 versus 5:29 with no wind), so I doubt one could really descend, approach, land, re-fuel, start, taxi, take-off, and climb back to cruise in just 33 minutes.
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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 17 Sep 2016, 08:14 
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Cruising at 300 knots, how far into the flight would you make a fuel stop?[/quote]
How about somewhere in the middle third wherever the fuel is the cheapest?

BUT,

There's only 33 minutes difference in going 1500 nm at 300 versus 270 (4:56 versus 5:29 with no wind), so I doubt one could really descend, approach, land, re-fuel, start, taxi, take-off, and climb back to cruise in just 33 minutes.[/quote]

It's really expensive to descend, land, refuel and ascend back to the flight levels. That's the point. Avoiding this!


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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 17 Sep 2016, 08:21 
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That's the point I'm trying to make. 30 minutes isn't enough.

And...... I don't want to land unless I'm at my destination.


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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 17 Sep 2016, 09:28 
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Joined: 08/03/10
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Location: Katy, TX (KTME)
Aircraft: CitationV/C180
I didn't really get this until I got the MU2. In the Baron, decending and landing was no big deal. In the MU2, it's a beating.


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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 17 Sep 2016, 09:37 
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You can come pretty close to a 30 min stop, but I find that I usually enjoy taking to the folks on the ground, and exploring the FBO, occasionally finding a small air museum or other interesting airport stuff. There are often some interesting things going on at the airport. Like this FBO owners back room at some undisclosed SW location ;-) Sorry couldn't show everything in the picture.

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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 17 Sep 2016, 12:26 
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Username Protected wrote:
You can come pretty close to a 30 min stop,

We're not talking "30 minute stop".

We're talking "30 minute descent, land, stop, refuel, start up, takeoff and climb back to altitude"... In my case it was FL280 which takes about 20 minutes to climb to IF you get direct climb.


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 Post subject: Re: 1500 miles westbound planes?
PostPosted: 17 Sep 2016, 15:42 
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Location: Live in San Carlos, CA - based Hayward, CA KHWD
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If you notify the FBO you want a quick turn, reasonably doable.

And the 30 mins is the differential, not the entire time spent in descent, climb, etc. so you may gain a little in the descent for a few miles, etc. but descent and climb are not the same as standing still.

All that said... A 30 minute total delay for a stop is pretty aggressive.

Finally - with turbines there is an actual cost due to cycles. Turbine overhauls are at least partly based on cycles, so any time you land/shutdown/start actually has a cost. Mike Ciholas estimated his cost of a stop for fuel to be on the order of $500 (over and above the fuel). Staying aloft in an airplane capable of it is a better option. But it is ALWAYS cheaper not to run out of fuel. :eek:

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