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31 Oct 2025, 10:36 [ UTC - 5; DST ]


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 26 Dec 2019, 04:04 
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I feel a bit better about the project now that he has some professional help evaluating the airframe. They will either pronounce it safe to proceed, or effectively ground it. I can’t believe anyone would argue with their conclusions. My guess is the project dies before anyone is killed.


I don’t think this is where the project dies. There is nothing fundamentally wrong with the airframe, and with some qualified engineering talent on board it should be pretty easy to make it fly.

But of course it won’t ever achieve the published performance goals, it won’t be anywhere near ready for mass production, and it will cost way more than projected.

Unfortunately the escrows are likely structured to pay out when the first flight milestone is achieved, which means he’ll get more other people’s money to screw around with for a few more years before it all goes belly up.


The milestone is a little vague. But, the way the escrow is setup is once the flight and milestone is met, Peter requests to have the escrow released. The buyer either agrees to release it or doesn’t and gets a refund minus the fee. I think it’s a $75 fee.

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 26 Dec 2019, 13:22 
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I am encouraged from the Test pilots evaluation and Peters ability to focus and solve the problems.

There are a lot of great things about the design. This really is a prototype and proof of concept. It' OK if the proof of concept proves it will not achieve the previously expressed performance or cost numbers. Many projects never do. But that does not mean it will not still be a great design.

It's going to take a lot of work and money to refine this prototype to a production kit. If the plane does well in testing I think he will get the support and the funding to get to the next step.

But I think he is not even half way there. It's the last 20% that takes 80% of the time and effort.

Mike


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 26 Dec 2019, 17:48 
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Username Protected wrote:
I am encouraged from the Test pilots evaluation and Peters ability to focus and solve the problems.

There are a lot of great things about the design. This really is a prototype and proof of concept. It' OK if the proof of concept proves it will not achieve the previously expressed performance or cost numbers. Many projects never do. But that does not mean it will not still be a great design.

It's going to take a lot of work and money to refine this prototype to a production kit. If the plane does well in testing I think he will get the support and the funding to get to the next step.

But I think he is not even half way there. It's the last 20% that takes 80% of the time and effort.


Mike


Yeah, I think if someone took the concept and redid it to get the weight down, it would be a nice aircraft.

I think most people's problem is he is using other people's money. He's gone through $2.7 million. If he flies it, I think it won't meet the projected performance numbers. But, he will still ask to release the escrows. If he gets 1000 people to agree, that's another $2 million. I don't think that's enough to go back through this design and get it right, much less setup a production facility to produce the kits.

The whole idea behind this project was to 1) Have something affordable 2) Use an alternate diesel engine. At the end of the day, I think this would be a $400k aircraft once you get all the R&D and production up and running plus try to make a profit. He has already talked about trying to get some investors for setting up production. New investors aren't going to go for "at costs" for these kits.


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 26 Dec 2019, 18:39 
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Unless you are one of the people that he is taking money from then I would not comment on it. I don’t see anyone complaining about the financial arrangement. They are all adults and knew the risk going in. Peter strikes me as a honorable good communicator. He is not the typical fly by night take everyone’s money kind of guy. If it all goes to crap I am sure every single person with money in kind of expected it.

If it is $400k then it’s still a great project. A 5 seat pressurized plane that runs on Jet A for $400k would be very popular. Even if it only performed like a PA46 piston it’s still a great value.

We don’t know what the performance will be yet so no reason to judge it. It’s all speculation.

I wish him the best and am encouraged that he will get there. He does not seem to give up easily.


Mike


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 27 Dec 2019, 08:32 
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On the first page of this thread, supporters were all enthused about anticipated performance and expected cost (note the Subject). Now, it looks like a win if he gets it to fly once without killing anyone. No one expects anything like the originally stated performance or cost. Without them, I don’t even see why this thing is newsworthy.


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 27 Dec 2019, 09:18 
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Username Protected wrote:
On the first page of this thread, supporters were all enthused about anticipated performance and expected cost (note the Subject). Now, it looks like a win if he gets it to fly once without killing anyone. No one expects anything like the originally stated performance or cost. Without them, I don’t even see why this thing is newsworthy.

Yeah - a 96 page thread on vapor.

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 27 Dec 2019, 11:26 
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Username Protected wrote:
Yeah - a 96 page thread on vapor.

And the fact it was a pipe dream was obvious starting with the original claim, let alone the first page. 5 seats, single engine piston, pressurized, 3600 nm range.... uh.... no.

Oh, and forgot the fact it was going to cost $130K.... ;)


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 27 Dec 2019, 11:45 
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The test engineer in the video kept commenting on how big the cabin is. It's possible to still have a "big" 5-place cabin and still shrink it down from the current size in order to save weight and reduce drag.

His powerplant choice still seems like a loser to me.


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 27 Dec 2019, 12:04 
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Username Protected wrote:
The test engineer in the video kept commenting on how big the cabin is. It's possible to still have a "big" 5-place cabin and still shrink it down from the current size in order to save weight and reduce drag.

His powerplant choice still seems like a loser to me.

Do you have any time working on, driving behind, or racing that powerplant?

I do. One of my favorite engines of all time.

My biggest two issues in regards to the powerplant are the redrive and no 2nd channel FADEC. You lose the one computer and you're done. I don't particular care for that. Maybe that's just me.


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 27 Dec 2019, 12:20 
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Username Protected wrote:
The test engineer in the video kept commenting on how big the cabin is. It's possible to still have a "big" 5-place cabin and still shrink it down from the current size in order to save weight and reduce drag.

His powerplant choice still seems like a loser to me.


His power plant choice is the only part that’s really interesting to me. Otherwise it’s a pressurized Velocity.

Two of those engines on a pressurized twin, now that’s interesting.


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 27 Dec 2019, 13:26 
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Username Protected wrote:
The test engineer in the video kept commenting on how big the cabin is. It's possible to still have a "big" 5-place cabin and still shrink it down from the current size in order to save weight and reduce drag.

His powerplant choice still seems like a loser to me.

Do you have any time working on, driving behind, or racing that powerplant?

I do. One of my favorite engines of all time.

My biggest two issues in regards to the powerplant are the redrive and no 2nd channel FADEC. You lose the one computer and you're done. I don't particular care for that. Maybe that's just me.


Nope. For me it is a pure risk mitigation question. Having a new airframe, new engine, new landing gear and many other completely new untested systems is just asking for trouble, scope creep, and much higher risk.
Although not optimal, putting a turbo charged Lycoming and Continental engine in a pushed plane at high altitude is fairly well understood. If he had gone the route of building V1 which focused on the Airframe and associated systems using a traditional avgas engine and V2 using the new power plant I would be much more interested.
Or a second choice, develop the engine as a Firewall Backward for a Velocity and build the knowledge and experience to make that happen before you marry it to the new airframe...

Tim

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 27 Dec 2019, 13:29 
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Username Protected wrote:
My biggest two issues in regards to the powerplant are the redrive and no 2nd channel FADEC. You lose the one computer and you're done. I don't particular care for that. Maybe that's just me.

Just pull the chute. :thumbup:

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 27 Dec 2019, 17:30 
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Username Protected wrote:
My biggest two issues in regards to the powerplant are the redrive and no 2nd channel FADEC. You lose the one computer and you're done. I don't particular care for that. Maybe that's just me.

Just pull the chute. :thumbup:


You need a reliable prop brake on a pusher or the chute will get tangled up in a windmilling prop and really ruin your day.
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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 27 Dec 2019, 17:42 
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Username Protected wrote:
You need a reliable prop brake on a pusher or the chute will get tangled up in a windmilling prop and really ruin your day.


Dang... I hadn't thought about that. :eek:


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 27 Dec 2019, 18:14 
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Me either.

:hide:


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