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23 Oct 2021, 13:47 [ UTC - 5; DST ]


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 Post subject: Re: You say you want an Evolution ...
PostPosted: 16 Mar 2021, 07:08 
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Location: Castle Rock, Colorado
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In a couple weeks, it will be 4 years since you started this thread, Dave.

You must have a tremendous feeling of accomplishment right now! Congrats!

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 Post subject: Re: You say you want an Evolution ...
PostPosted: 16 Mar 2021, 12:25 
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Location: KYIP Willow Run (Detroit MI)
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Congratulations! That’s quite an accomplishment. :cheers:


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 Post subject: Re: You say you want an Evolution ...
PostPosted: 16 Mar 2021, 13:32 
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Location: Asheville, NC
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If you're going to LOBO, you've only got a little over a month to fly off your 40 (25?) hours. Better get busy!


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 Post subject: Re: You say you want an Evolution ...
PostPosted: 16 Mar 2021, 14:19 
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All of those were fixed in time for the second flight, the next day. The inner gear doors are also flexing open a bit in flight, that'll take a little longer to address. It's really becoming apparent that it's a lot quicker to fix bugs in software than in hydraulic, electrical, or mechanical systems. And before you pipe up no, there's no evidence that bugs are any more likely in software than other systems.

Really nice work!

So what’s the plan with the gear doors? Stiffeners?

Jim

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 Post subject: Re: You say you want an Evolution ...
PostPosted: 16 Mar 2021, 18:46 
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If you're going to LOBO, you've only got a little over a month to fly off your 40 (25?) hours. Better get busy!
I am going to LOBO but the Evo isn't. It's public debut will be at Oshkosh.


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 Post subject: Re: You say you want an Evolution ...
PostPosted: 16 Mar 2021, 18:56 
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So what’s the plan with the gear doors? Stiffeners?
Probably not, they're carbon, already plenty stiff. Maybe increase the upline hydraulic pressure, or change the angle of the actuators for better leverage, or maybe add uplocks, I don't know. Fortunately I don't have to worry about it for now, two other builds in the shop have many of the same mods I have, we're sharing the R&D, and one of those builders has been flying longer than I have and is working on the gear doors issue. He's also testing the de-icing system control electronics and software. I'll follow his progress and adopt what he does.


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 Post subject: Re: You say you want an Evolution ...
PostPosted: 16 Mar 2021, 21:51 
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Location: 0TX0 Granbury TX
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Username Protected wrote:
If you're going to LOBO, you've only got a little over a month to fly off your 40 (25?) hours. Better get busy!
I am going to LOBO but the Evo isn't. It's public debut will be at Oshkosh.

Park that puppy out front of HBHQ!!

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 Post subject: Re: You say you want an Evolution ...
PostPosted: 16 Mar 2021, 22:04 
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Location: Louisiana
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Dave, I'm looking forward to seeing it at Oshkosh! :thumbup:


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 Post subject: Re: You say you want an Evolution ...
PostPosted: 16 Mar 2021, 22:17 
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Location: Puyallup, WA
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Nice job, Kelly!
:cheers:

(You also, Dave)

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 Post subject: Re: You say you want an Evolution ...
PostPosted: 17 Mar 2021, 21:26 
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Aircraft: 1947 Bonanza 35
Mr. Dave Van Horn, You need to Change your Avatar, from Building EVO.......to Built an EVO :clap: :bow: :thumbup: :D

It's all in the Details Right? :thumbup: :D


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 Post subject: Re: You say you want an Evolution ...
PostPosted: 18 Mar 2021, 13:02 
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Here's a troubleshooting tip for your gear doors: You can mount a video camera in your wheel well and see what's going on in there. Like This. I used a Garmin Virb, which has a low profile.


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 Post subject: Re: You say you want an Evolution ...
PostPosted: 30 May 2021, 11:27 
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I saw that a second evo lost its windshield... what been done to remedy this problem?


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 Post subject: Re: You say you want an Evolution ...
PostPosted: 30 May 2021, 13:56 
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Aircraft: TN36, and Evolution
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I saw that a second evo lost its windshield... what been done to remedy this problem?
The two lost windshields were installed at the factory on sequential builds and both showed the edges had been improperly prepared (the edges showed they had been rounded with a grinder rather than the no coarser than 40 grit sandpaper specified), which creates stress risers. Prism checks and other NDT have been done looking for similar marks on other planes, especially including the next one down the line, with none found. Shops now do a prism check at every annual.

The windshield manufacturer, LPS Aero, confirms the design is plenty strong enough for this application if properly installed.


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 Post subject: Re: You say you want an Evolution ...
PostPosted: 30 May 2021, 15:11 
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Thanks..

Also any word on this one in Ohio? Does anyone know any details?

I figured if anyone did, perhaps you would...

How is flying your plane going? Do you have it in the air?


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 Post subject: Re: You say you want an Evolution ...
PostPosted: 30 May 2021, 22:10 
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Joined: 08/12/08
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Aircraft: '76 A36 TAT TN 550
Username Protected wrote:
The two lost windshields were installed at the factory on sequential builds and both showed the edges had been improperly prepared (the edges showed they had been rounded with a grinder rather than the no coarser than 40 grit sandpaper specified), which creates stress risers. Prism checks and other NDT have been done looking for similar marks on other planes, especially including the next one down the line, with none found. Shops now do a prism check at every annual.

The windshield manufacturer, LPS Aero, confirms the design is plenty strong enough for this application if properly installed.

Excellent response. Top drawer.
:thumbup:

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