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10 Jun 2025, 17:46 [ UTC - 5; DST ]


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 Post subject: Re: 850 hp Evolution
PostPosted: 02 Aug 2015, 14:08 
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Username Protected wrote:
Never seen ice at FL280. Its usually at least -30 there.
Who makes the boots? You couldnt use exaust heat or bleed air for the engine intake?

+1

I've spent a lot of time at 280 in and out of APA and never picked up any ice much less enough to make me slow down 75 knots.


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 Post subject: Re: 850 hp Evolution
PostPosted: 02 Aug 2015, 16:09 
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Username Protected wrote:
Never seen ice at FL280. Its usually at least -30 there.
Who makes the boots? You couldnt use exaust heat or bleed air for the engine intake?

+1

I've spent a lot of time at 280 in and out of APA and never picked up any ice much less enough to make me slow down 75 knots.


got the ice on the climb from 20,000 to 21,000 at the texas border
i see ice at 25000 when moisture is present even though is colder than -15

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 Post subject: Re: 850 hp Evolution
PostPosted: 02 Aug 2015, 17:55 
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Ice can be picked up much colder than -15 in clean air. I popsicled the 421 at -30 in a little puffy at FL250.

It all depends.

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 Post subject: Re: 850 hp Evolution
PostPosted: 02 Aug 2015, 23:14 
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Username Protected wrote:
Never seen ice at FL280. Its usually at least -30 there.
Who makes the boots? You couldnt use exaust heat or bleed air for the engine intake?


Jason here is the log with a 30 knot tailwind the Evo does 300 knots at 27,000

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 Post subject: Re: 850 hp Evolution
PostPosted: 02 Aug 2015, 23:33 
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Username Protected wrote:
I popsicled the 421 at -30 in a little puffy at FL250.

The rising air in the puffy is warmer, generally, and with your plane chilled by the colder surrounding air, passing through the warmer, moist cloud, the water found your airplane a very nice place to cling. You can build ice pretty quick this way.

Ask for deviations around isolated puffies, particularly if they are sharply defined and bright white, indicating a young, new cloud still holding on to its moisture.

Mike C.

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 Post subject: Re: 850 hp Evolution
PostPosted: 03 Aug 2015, 08:48 
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Username Protected wrote:
I popsicled the 421 at -30 in a little puffy at FL250.

The rising air in the puffy is warmer, generally, and with your plane chilled by the colder surrounding air, passing through the warmer, moist cloud, the water found your airplane a very nice place to cling. You can build ice pretty quick this way.

Ask for deviations around isolated puffies, particularly if they are sharply defined and bright white, indicating a young, new cloud still holding on to its moisture.

Mike C.


That's correct Mike. We discussed this in detail in Scott D's weekend seminar.
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 Post subject: Re: 850 hp Evolution
PostPosted: 03 Aug 2015, 20:25 
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I've seen ice plenty of times well through the 20s. More times than I can count.

It would be great if there was some sort of way to get FIKI on an Evolution, but I don't see that happening. And with the FAA's latest position on the definition of icing conditions, that will keep you grounded plenty of days in a non-fiki turboprop.

Furthermore, who would really want to be in icing conditions in an experimental plane with an 'inadvertent' system? If you have ever watched FIKI certification, it's exhaustive. As it sits, no matter what anyone installed on their evolution, flight into known icing is illegal, and any inadvertent encounter with icing conditions constitutes an emergency situation (As it should be).

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 Post subject: Re: 850 hp Evolution
PostPosted: 03 Aug 2015, 20:54 
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Username Protected wrote:
And with the FAA's latest position on the definition of icing conditions, that will keep you grounded plenty of days in a non-fiki turboprop.


Can you elaborate on this?


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 Post subject: Re: 850 hp Evolution
PostPosted: 04 Aug 2015, 10:08 
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Joined: 12/17/10
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Aircraft: Lancair Evolution
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Quote:
you could easily say the same thing about the P-51, right? ;)


No - an airframe designed for X hp will have control surfaces appropriate to the engine. It's quite possible to make a plane uncontrollable with power the rudder can't handle.


The airplane was designed to fly the speeds the -42 (850 hp) makes the plane fly. The -135A is actually underpowered for the airplane. That's why I'm putting a -42 in mine :D


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 Post subject: Re: 850 hp Evolution
PostPosted: 04 Aug 2015, 10:10 
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I was surprised at how small the wings and control surfaces were on this plane. Stall is 68 kts.


68 kts? That's odd. They are supposed to stall at 62 kts.


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 Post subject: Re: 850 hp Evolution
PostPosted: 04 Aug 2015, 10:15 
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Username Protected wrote:

Dude, 'Airline Killer?' Seriously? It's an amateur built experimental which operates in the altitudes where all the weather and ice is, without weather radar or proper de-icing equipment. Don't get me wrong, I demo'd the Evolution last year and loved the plane (although I think they are insanely priced). It flew beautifuly for a turboprop, but this is a fair weather toy. It's not even a TBM killer, let alone an airline killer!


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.


Solved earlier by another poster.

Last edited on 04 Aug 2015, 10:37, edited 1 time in total.

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 Post subject: Re: 850 hp Evolution
PostPosted: 04 Aug 2015, 10:17 
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I love the Evolution. It's airline killer. It's all you really need.


Dude, 'Airline Killer?' Seriously? It's an amateur built experimental which operates in the altitudes where all the weather and ice is, without weather radar or proper de-icing equipment. Don't get me wrong, I demo'd the Evolution last year and loved the plane (although I think they are insanely priced). It flew beautifuly for a turboprop, but this is a fair weather toy. It's not even a TBM killer, let alone an airline killer!


It has a very good de-ice system. It's not FIKI but FIKI is impossible on an experimental. There are several that have flown their Evo into icing and reported that their de-ice worked beautifully. As someone else has also stated. The Evo has an excellent safety record.

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 Post subject: Re: 850 hp Evolution
PostPosted: 04 Aug 2015, 10:26 
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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.


That's not true at all. It has more baggage space than an A36 behind it's seats and comparable to a V35.


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 Post subject: Re: 850 hp Evolution
PostPosted: 04 Aug 2015, 10:29 
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Joined: 12/17/10
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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 disagree. The Evo appears to have a decent amount more baggage room than my B36TC had. I would love 6 seats vs 4 though...

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 Post subject: Re: 850 hp Evolution
PostPosted: 04 Aug 2015, 11:57 
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Aircraft: 70 A36TN, Build RV8
Username Protected wrote:
I disagree. The Evo appears to have a decent amount more baggage room than my B36TC had. I would love 6 seats vs 4 though...


You're right of course - I should have clarified my earlier statement. I was thinking A36 with rear seats removed, so comparing a 4 seat configured A36 with the 4 seat Evo. I haven't had the 5 and 6 seats in mine since I've owned it so that's my mental picture of the A36 baggage.

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