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25 Jan 2026, 10:14 [ UTC - 5; DST ]


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 24 Aug 2020, 19:11 
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Location: KCRQ - Carlsbad - KTOA
Aircraft: 89 A36 TN, 78 Tiger
Username Protected wrote:
Hopefully they prove me wrong and that nosegear is happy. I hope he babies that plane onto the runway so smooth that you don't even hear the wheels chirp. My hope is that Peter proves this skeptic wrong produces a sub $250k kit or sub-$500k plane that can haul 4 people at 230 kts on 10 GPH of diesel or Jet-A in pressurized comfort with a chute.

If all of our politicians think that the media isn't fair and doesn't do their research or doesn't do their research well - they should try Aviation. What we know as pilots and those faces in front of the camera even care to learn are two different things.

Sensationalism = Ratings


I guess you missed all those videos of fixes...
It is scary to know how this thing is put together. That bird is a heavy pig, underpowered...
He will probably try to fly it himself, the minute he gets the green light...
Maybe we are witnessing greatness in the making?, and all those people are wrong.
My money is not on a successful flight, and hoping for his sake that he can walk away unharmed.

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 24 Aug 2020, 19:31 
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Aircraft: C205
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One curious thing about Mike P, why wait so long in the build to test the parachute for impulse loads?
I bet he ran the prelim numbers by BRS and they probably said it was highly likely to work.

He mentioned BRS engineers advising/consulting on the chute sizing and installation. I doubt that they consulted on the tail-to-nose structural work required to stiffen the fuselage for the impulse loads. I thought his comments about the big name airframe mfgrs have some spectacular structural failures due to the impluse loads was "revealing."

I'm hoping that Peter tests his chute on the ground ...
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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 24 Aug 2020, 20:39 
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Hopefully they prove me wrong and that nosegear is happy.<snip>
I guess you missed all those videos of fixes...
It is scary to know how this thing is put together. That bird is a heavy pig, underpowered. <snip>

The last videos I watched were from last weekend, the 15th. I will have to see what he’s one in the past week to fix that teeny nose wheel and it’s shimmy problems.
He is half as much weight as a P Baron And is running half the engines but is taking 37% longer to accelerate.
He just needs another engine!

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 25 Aug 2020, 07:55 
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I'm hoping that Peter tests his chute on the ground ...

Testing the chute is a destructive process. He’s not going to do that until the plane is well into flight testing, which is to say it’s unlikely to ever happen.

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 25 Aug 2020, 08:44 
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Joined: 02/28/17
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Username Protected wrote:
I'm hoping that Peter tests his chute on the ground ...

Testing the chute is a destructive process. He’s not going to do that until the plane is well into flight testing, which is to say it’s unlikely to ever happen.

Mike P tested his and the only thing it destroyed were the breakaway panels. And I'm not even sure those were destroyed. The might be able to be reattached.

Now I don't recall seeing how the raptor installed the chute. But it would not surprise me one bit if he didn't create a breakaway section for the rocket or chute. So if the handle does get pulled, the rocket won't penetrate and just sits there starting a ferocious fire. :roll:

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 25 Aug 2020, 21:47 
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That front wheel wobbles and shimmies pretty bad. Man, that's not something I would want to see. I think his geometry is way off on that front wheel "design"Should make for a fun time if it hits resonance as it touches down

Take off at 93 kts? Wow, that landing V is going to be cooking. And what's thing going to be flying in ground effect? 100-110 knots. This thing better have a BRS. I wouldn't want to have to crash land it at C172 cruising speeds.

https://medium.com/@RaptorAircraft/read ... e27cb61169


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 25 Aug 2020, 22:34 
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I would like to hear from the guys with time and experience in the Velocity and VariEze canard type aircraft with regard to takeoff, rotate, and ground effect speeds? Also, what would be reasonable Vx and Vy for the Raptor sized canard aircraft? I’m not asking what Peter thinks, but guys with experience in these types of aircraft. Thanks

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 25 Aug 2020, 23:00 
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Not a canard owner, but did ogle them quite a bit before I picked up my v-tail instead.

The Velocity XL would be on the smaller side of the Raptor (2900 gross) but similar...and it lists a minimum speed of 65kts (ie, the canard stall), and a landing speed of around 75kt, which should be similar for takeoff (from what I recall).

Interestingly, the Beech Starship lists a minimum speed of 97kts, and it's 15k gross...which would obviously be on the larger end. :D

Example takeoff of an XL from Mr Johnston, who's chimed in quite a bit already - but interesting to see the different profile of a canard departure:
[youtube]https://youtu.be/wwUIjnLeYcA[/youtube]

Example of the Starship - sounded like ~100-105kts was flying speed based on the callouts:
[youtube]https://youtu.be/iM6V0TxKjaE[/youtube]

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 26 Aug 2020, 18:20 
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His recent videos are painful to watch. He’s nervous, bad on the radio and not a big stick and rudder guy.... which would be valuable in a home built test flight.


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 26 Aug 2020, 18:59 
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His Harbor Freight fly by wire throttle failed :bugeye:

Elevator/elevator trim not working :bugeye:

Airspeed errors are very significant and don’t appear consistent to me, and he refuses to fix it.

WTF?

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 26 Aug 2020, 20:13 
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Username Protected wrote:
His Harbor Freight fly by wire throttle failed :bugeye:

Elevator/elevator trim not working :bugeye:

Airspeed errors are very significant and don’t appear consistent to me, and he refuses to fix it.

WTF?


The throttle problem is scary and he didn't fix it. The values diverged mid-test, then he just recalibrated to take the new error out.

I'm not familiar with that kind of trim -- there's no tab, just a spring putting tension on the elevator?


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 26 Aug 2020, 20:26 
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Yeah, apparently. Air loads deflecting the (canard) trim? Yikes.

If he is concerned about an inadvertent takeoff, he should be wearing a helmet, gloves and chute.

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 26 Aug 2020, 20:39 
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Username Protected wrote:
His recent videos are painful to watch. He’s nervous, bad on the radio and not a big stick and rudder guy.... which would be valuable in a home built test flight.

Does anybody know why he sits on the right?

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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 26 Aug 2020, 21:14 
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Joined: 09/21/13
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Username Protected wrote:
His recent videos are painful to watch. He’s nervous, bad on the radio and not a big stick and rudder guy.... which would be valuable in a home built test flight.

Does anybody know why he sits on the right?


He's said it a few times in his comments, he just prefers to fly with his right hand for the yoke/stick. :shrug:
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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 26 Aug 2020, 21:17 
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Username Protected wrote:
He's said it a few times in his comments, he just prefers to fly with his right hand for the yoke/stick. :shrug:

And yet he built the plane to be left-handed. :scratch:

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