20 Nov 2025, 17:28 [ UTC - 5; DST ]
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Post subject: Re: 850 hp Evolution Posted: 30 Jul 2015, 09:02 |
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Joined: 01/29/08 Posts: 26338 Post Likes: +13085 Location: Walterboro, SC. KRBW
Aircraft: PC12NG
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Username Protected wrote: We were discussing the price of this plane an my friend said he could buy a really nice Black Hawk KA conversion for the same price and my statement was that I could buy a really nice PC-12.
Its a really nice 2 place speedster though.
No doubt. The Evo is super expensive for what you get. But you need to compare "new to new" to get the whole story. Yes, I'd take a certified plane the Evo also. But I don't think it'll be that way forever.
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Post subject: Re: 850 hp Evolution Posted: 30 Jul 2015, 09:02 |
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Joined: 01/30/09 Posts: 6025 Post Likes: +3389 Location: Oklahoma City, OK (KPWA)
Aircraft: planeless
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Username Protected wrote: Commenting that an evolution is an amateur built experimental removed all further credibility of your opinion, regardless of what you fly or what you have flown Exactly Correct! Calling an amateur built experimental an amateur built experimental is clearly ridiculous. Now if anyone responds to this post and calls me Eric it will clearly demonstrate the poster's lack of credibility.
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Post subject: Re: 850 hp Evolution Posted: 30 Jul 2015, 09:34 |
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Joined: 03/24/12 Posts: 126 Post Likes: +136
Aircraft: 8KCAB / C510
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Username Protected wrote: Then why is it limited to 55% power in takeoff. Not disputing what you are saying, it just seems like you couldn't have a rudder large enough for that much power at slow speeds. Kevin You are correct, and it is likely due to the amount of power. With that said, even before we knew that reduced power was SOP, people were commenting about how the control surfaces "looked small". My beef is people saying the control surfaces look too small on the basis of a photograph alone.
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Post subject: Re: 850 hp Evolution Posted: 30 Jul 2015, 10:05 |
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Joined: 12/03/14 Posts: 20751 Post Likes: +26229 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: My beef is people saying the control surfaces look too small on the basis of a photograph alone. Why? The surface can't be large aerodynamically and yet be small visually. I think it is perfectly legitimate to see an 850 HP airplane, see the rudder, and think it is too small. The human mind has a pretty good sense of when things don't "look right". Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: 850 hp Evolution Posted: 30 Jul 2015, 10:18 |
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Joined: 07/12/09 Posts: 3624 Post Likes: +1192 Company: Leopold Aero, LLC Location: KPTW Heritage Field Pottstown, PA
Aircraft: 1978 Baron E55
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Username Protected wrote: I think it is perfectly legitimate to see an 850 HP airplane, see the rudder, and think it is too small.
The human mind has a pretty good sense of when things don't "look right". Not sure my visual rudder sense is either good or accurate. I still think that the Aerostar rudder looks too small every time I see one. 
_________________ The advice you get is worth what you paid for it... Mike Dechnik KPTW '78 E55
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Post subject: Re: 850 hp Evolution Posted: 30 Jul 2015, 12:12 |
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Joined: 08/04/08 Posts: 1799 Post Likes: +1404 Location: MYF, San Diego, CA
Aircraft: A36
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Username Protected wrote: We were discussing the price of this plane an my friend said he could buy a really nice Black Hawk KA conversion for the same price and my statement was that I could buy a really nice PC-12.
Its a really nice 2 place speedster though. Why 2 place? Isn't it a genuine 4 place? Ashley
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Post subject: Re: 850 hp Evolution Posted: 30 Jul 2015, 12:57 |
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Joined: 05/11/10 Posts: 9429 Post Likes: +13521 Company: ? Most always. I like people. Location: KFIN Flagler, FL
Aircraft: 1991 Bonanza A36
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Username Protected wrote: We were discussing the price of this plane an my friend said he could buy a really nice Black Hawk KA conversion for the same price and my statement was that I could buy a really nice PC-12.
Its a really nice 2 place speedster though. Why 2 place? Isn't it a genuine 4 place? Ashley I thought it was 2 in the front and only 1 in the back. A 3 place???
_________________ Bible In Poems BibleInPoems.com BNice
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Post subject: Re: 850 hp Evolution Posted: 30 Jul 2015, 16:11 |
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Joined: 05/29/09 Posts: 4166 Post Likes: +2990 Company: Craft Air Services, LLC Location: Hertford, NC
Aircraft: D50A
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Username Protected wrote: Of similar note is the TBM 850, which on takeoff is "just" a TBM 700 - when takeoff flaps are raised, then the power limiter is adjusted to allow the full 850 HP. Apparently there is just too much p-factor and torque roll at lower speeds for the rudder (and ailerons?) to handle.
Beware, since that Evolution has an even smaller rudder (and every other control surface). Exactly, the TMB 850 has an engine capable of producing about 1800HP installed but they limit the plane to 700HP on takeoff and 850HP in other operations. Similarly, the Evolution has an engine installed that is capable of producing 1100HP (very similar to a -45), but Pratt limits the gearbox to 850HP (in the -41 and -42) and builders are further derating the engine to around 550HP to match the airframe requirements. Heavy derating is the key to high altitude engine performance.
_________________ Who is John Galt?
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Post subject: Re: 850 hp Evolution Posted: 30 Jul 2015, 21:57 |
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Joined: 07/13/11 Posts: 2755 Post Likes: +2187 Company: Aeronautical People Shuffler Location: Picayune, MS (KHSA)
Aircraft: KA350/E55/DA-62
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Username Protected wrote: First let me say I like this plane. If I had a mission specific purpose, I might own one.
The down side side is you have to enter over the wing. Its a very high wing. This plane did not have seats in the rear but if it did there would be no room for any luggage. None. I think the baggage compartment is adequate. Its also inside the pressure bulkhead which is nice step up from the IVP. This is a shot with the back seats in... Id be happy with it Attachment: lancair evolution - n818sj - interior 1.jpg
Please login or Register for a free account via the link in the red bar above to download files.
_________________ The sound of a second engine still running after the first engine fails is why I like having two.
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Post subject: Re: 850 hp Evolution Posted: 30 Jul 2015, 22:50 |
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Joined: 03/24/12 Posts: 126 Post Likes: +136
Aircraft: 8KCAB / C510
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Username Protected wrote: Wouldn't it be a pretty easy solution to link the available HP of the engine to the airspeed indicator?
So, for example, full throttle at 0 KIAS = 400 HP for takeoff (or whatever the rudder can handle). Full throttle at 200 KIAS = 850 HP for high altitude cruise. Properly limited that way, it seems like you could have a stable aircraft with enough HP to go really fast, but still be relatively idiot-proof at low speeds. And piloting should involve putting the lever forward and leaving it there until time for descent.
In the modern day of FADEC engines and fly-by-wire, that should be possible.
Just thinking out loud here. I have no engineering degrees or aircraft design experience. But I would want that feature if I owned an airframe capable of rolling itself with engine torque. Until you get a pitotstatic blockage.... You would need some serious redundancy/complexity to get that certified. I'm just not seeing transport category-type redundancy and fly-by-wire being used in this category of airplane for a while. Heck, the is there even a civilian fixed wing installation for a fadec PT6B yet? Everything seems to stick with the PT6A. And at the end of the day, it's a problem, but is it a big enough one to offset the increased complexity/cost? If a SETP with those features costs as much as a jet with those features, most people are just going to buy the jet for greater mission cabability.
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Post subject: Re: 850 hp Evolution Posted: 30 Jul 2015, 23:03 |
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Joined: 12/26/08 Posts: 3413 Post Likes: +1055 Location: --------- Charlotte, NC (KEQY) Alva, OK (KAVK)
Aircraft: 70 A36TN, Build RV8
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Username Protected wrote: First let me say I like this plane. If I had a mission specific purpose, I might own one.
The down side side is you have to enter over the wing. Its a very high wing. This plane did not have seats in the rear but if it did there would be no room for any luggage. None. There is a large baggage area aft of the rear seats with a separate baggage door aft of the 2nd row of seats on the right side. Nice amount of baggage area, though not quite A36 space. I looked at these quite a while at OSH and was satisfied with the baggage space in addition to 4 seats. I am just going to have to work much $$$ harder to justify one of these over my miserly A36TN.
_________________ I had my patience tested. I'm negative.
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