06 Jul 2025, 13:34 [ UTC - 5; DST ]
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 09 Mar 2017, 13:49 |
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Joined: 11/22/12 Posts: 2847 Post Likes: +2793 Company: Retired Location: Lynnwood, WA (KPAE)
Aircraft: Lancair Evolution
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Username Protected wrote: Obviously [the Evo is] bigger, SAFER and more comfortable I think we're done here.
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 09 Mar 2017, 15:19 |
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Joined: 08/14/13 Posts: 6410 Post Likes: +5145
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Username Protected wrote: Both have similar speeds. Obviously it's bigger, safer and more comfortable but I don't see how it's worth so much more to carry 4 people about the same speed. you forgot insurable too
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 09 Mar 2017, 22:52 |
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Joined: 12/17/10 Posts: 1626 Post Likes: +276 Location: Valparaiso, IN
Aircraft: Lancair Evolution
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Username Protected wrote: When I saw the first flying prototype in 2010 of the piston-evolution I thought it was a game-changer. Unfortunately the challenges Doug referenced with the iE2 engine seemed to take the concept off-the-table. I had periodic conversations over the last 5 years with Lancair's regional salesman in my area and they acted like they didn't even want to talk about it.....kind of implied that I was crazy for not focusing on the turbine.
The specs for the fuel economy, cruise speed and range are extremely attractive. In fact, I think you could make the argument that any trip over 1000 nautical miles, the piston version is faster (block-to-block).
It will be very interesting to see how this engine performs going forward. No, you would out perform the piston in almost any distance. You have to remember that the piston won't climb nearly as well as the turbine and the speed is a decent amount slower. Here's a comparison: Piston Evo TAS 240 Climb rate: ~1000fpm Cruise Fuel flow: 23 gph Turbine Evo (my plane) TAS 310 Climb rate: 2500 Cruise Fuel flow: 39 gph I can carry enough fuel for a 1,000 nm trip and still have an hour of fuel left.
Last edited on 09 Mar 2017, 23:13, edited 1 time in total.
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 09 Mar 2017, 23:12 |
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Joined: 12/17/10 Posts: 1626 Post Likes: +276 Location: Valparaiso, IN
Aircraft: Lancair Evolution
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Username Protected wrote: 5.5 Differential, it's plenty for the altitudes the IV flies at. I think that works out to sea level up to around 12Kish. Sweet spot for this plane is 17.5 at 260kts buring 17.5 GPH. It will go 1000 nmiles, hold 800lbs of stuff. It's good looking and fun/easy to fly. It's almost the perfect airplane..for ME. Far and away the best airplane I've owned or flown.
The EVO obviously tops those stats but at a much higher price tag. It's also incredibly ugly. Ugly? I take offense! :kidding: IMO it's much better looking than the IV. The IV has almost zero baggage space and very little rear passenger room as well.
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 09 Mar 2017, 23:14 |
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Joined: 12/17/10 Posts: 1626 Post Likes: +276 Location: Valparaiso, IN
Aircraft: Lancair Evolution
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Username Protected wrote: So Gerry, since you fly one- it's basically a IVp right? I mean, just an expensive IVp  Right, lol In all seriousness though, if I were to look at the IV-P I'd consider RDD's LX-7 conversion. It redesigns the wing to make it have good fly/stall characteristics like the Evo, adds new avionics (G3X), new engine (piston or turbine) and parachute. With 180 gal tank and potential 300 ktas with a -28 using 36 gph. That would be a traveling machine!
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 10 Mar 2017, 10:32 |
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Joined: 08/14/13 Posts: 6410 Post Likes: +5145
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Username Protected wrote: So Gerry, since you fly one- it's basically a IVp right? I mean, just an expensive IVp  Right, lol In all seriousness though, if I were to look at the IV-P I'd consider RDD's LX-7 conversion. It redesigns the wing to make it have good fly/stall characteristics like the Evo, adds new avionics (G3X), new engine (piston or turbine) and parachute. With 180 gal tank and potential 300 ktas with a -28 using 36 gph. That would be a traveling machine!
yes, agree, but doesn't solve the insurance problem...how many fleet hours are going to be required before there are reasonable insurance premiums available, there is talk of an agreement between RDD and the insurance companies, but i haven't seen anything tangible...if they do come out with something, it is going to take years for the fleet to earn the ability to keep whatever arrangement they come up with
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 10 Mar 2017, 10:52 |
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Joined: 12/17/10 Posts: 1626 Post Likes: +276 Location: Valparaiso, IN
Aircraft: Lancair Evolution
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Username Protected wrote: Right, lol
In all seriousness though, if I were to look at the IV-P I'd consider RDD's LX-7 conversion. It redesigns the wing to make it have good fly/stall characteristics like the Evo, adds new avionics (G3X), new engine (piston or turbine) and parachute.
With 180 gal tank and potential 300 ktas with a -28 using 36 gph. That would be a traveling machine! yes, agree, but doesn't solve the insurance problem...how many fleet hours are going to be required before there are reasonable insurance premiums available, there is talk of an agreement between RDD and the insurance companies, but i haven't seen anything tangible...if they do come out with something, it is going to take years for the fleet to earn the ability to keep whatever arrangement they come up with I've heard similar talk. I was in RDD's booth at Sun N Fun last year when they had insurance people talking about the LX-7 and they seemed to feel it was a very big deal. Basically the insurance people said that if they could demonstrate the benign flight characteristics then they would offer some sort of insurance. How long that would take, I have no idea.
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 10 Mar 2017, 11:23 |
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Joined: 08/14/13 Posts: 6410 Post Likes: +5145
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Username Protected wrote: I've heard similar talk. I was in RDD's booth at Sun N Fun last year when they had insurance people talking about the LX-7 and they seemed to feel it was a very big deal. Basically the insurance people said that if they could demonstrate the benign flight characteristics then they would offer some sort of insurance. How long that would take, I have no idea. and how long that would last after the FIRST incident, i'll almost guarantee you they'll send out cancellation notices when it happens
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 10 Mar 2017, 12:25 |
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Joined: 08/14/13 Posts: 6410 Post Likes: +5145
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Username Protected wrote: The EVO is not easy to insure either. The IV-P is not uninsurable; it is just expensive to insure. I think there is one carrier left that writes EVO policies and it doesn't take too many $1 million hull write offs for them to bail.
What's the cost of insuring an EVO? is this just something you decided on your own, or have you done some actual research? the EVO is very insurable, and at very reasonable rates from the direct inquiries i've made for the EVO, Insurance has ranged from $19,800 in 2010 to $13,600 today for $1 mil smooth and $1.2 mil hull, that's 1.6% to 1.1%....a IVP with a 250k hull would be around $14,000-$16,000 which is about 6% or higher...likely not even have the option of getting $1mil smooth on a IVp i'm still not spending 1.5m on a 4 seat turbo prop, i'll just spend 2m and get a PC12, insurance and resale are no longer concerns
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 10 Mar 2017, 15:25 |
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Joined: 11/22/12 Posts: 2847 Post Likes: +2793 Company: Retired Location: Lynnwood, WA (KPAE)
Aircraft: Lancair Evolution
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Username Protected wrote: the EVO is very insurable, and at very reasonable rates from the direct inquiries i've made ... for the EVO, Insurance has ranged from $19,800 in 2010 to $13,600 today for $1 mil smooth and $1.2 mil hull, that's 1.6% to 1.1% How recent were those inquiries? After both of the EVO hull losses went to the same carrier (Meadowbrook), they announced last October that they would stop insuring all Lancairs. That left only one carrier, the more expensive one, and no competition for EVO insurance, although some negotiations to attempt to change their mind were scheduled. I'm wondering if your quotes were before or after October.
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 10 Mar 2017, 15:47 |
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Joined: 08/14/13 Posts: 6410 Post Likes: +5145
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Username Protected wrote: the EVO is very insurable, and at very reasonable rates from the direct inquiries i've made ... for the EVO, Insurance has ranged from $19,800 in 2010 to $13,600 today for $1 mil smooth and $1.2 mil hull, that's 1.6% to 1.1% How recent were those inquiries? After both of the EVO hull losses went to the same carrier (Meadowbrook), they announced last October that they would stop insuring all Lancairs. That left only one carrier, the more expensive one, and no competition for EVO insurance, although some negotiations to attempt to change their mind were scheduled. I'm wondering if your quotes were before or after October.
yep, september- further proof that the LX7 will have some challenges after the first incident when the insurers run tail tucked, i'll check with the people i was conversing with and see if there is any update to meadow brook pulling out
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Post subject: Re: Piston-Powered Lancair Evolution? Posted: 10 Mar 2017, 16:02 |
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Joined: 12/17/10 Posts: 1626 Post Likes: +276 Location: Valparaiso, IN
Aircraft: Lancair Evolution
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Username Protected wrote: The EVO is not easy to insure either. The IV-P is not uninsurable; it is just expensive to insure. I think there is one carrier left that writes EVO policies and it doesn't take too many $1 million hull write offs for them to bail.
What's the cost of insuring an EVO? The insurance issues with the Evo is because the landing gear has collapsed a few times, mostly because people aren't taking proper procedures. It's mostly the pilot's fault.
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