17 Dec 2025, 05:31 [ UTC - 5; DST ]
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 08 Oct 2020, 14:36 |
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Joined: 03/25/12 Posts: 7285 Post Likes: +6573 Location: KCMA - Camarillo, CA
Aircraft: Bonanza G-35
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Username Protected wrote: Doesn't seem particularly stable in roll, either. Winds were reported as calm.
I also get a kick out of the idea that he designed an airplane with control sticks but flies it from the right seat because the controls feel more natural to him that way. Probably right handed. 
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 08 Oct 2020, 14:53 |
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Joined: 07/21/08 Posts: 5843 Post Likes: +7297 Location: Decatur, TX (XA99)
Aircraft: 1979 Bonanza A36
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Username Protected wrote: Doesn't seem particularly stable in roll, either. Winds were reported as calm.
I also get a kick out of the idea that he designed an airplane with control sticks but flies it from the right seat because the controls feel more natural to him that way. Probably right handed.  since his kneeboard is on his left knee, I would guess he is left handed and flew from that side so he could take notes. I was a bit concerned with the nose gear shimmy, as well as the TIT temps. Do diesels run at a higher TIT than gas engines when at takeoff power?
_________________ I'm just here for the free snacks
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 08 Oct 2020, 14:54 |
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Joined: 01/23/13 Posts: 9471 Post Likes: +7137 Company: Kokotele Guitar Works Location: Albany, NY
Aircraft: C-182RG, C-172, PA28
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Username Protected wrote: Doesn't seem particularly stable in roll, either. Winds were reported as calm.
I also get a kick out of the idea that he designed an airplane with control sticks but flies it from the right seat because the controls feel more natural to him that way. Probably right handed. 
Well, yeah. But is he expecting most PICs of this plane to fly from the right instead of the left? If he's not changing that convention, why not design the plane so it can be flown comfortably from the left seat?
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 08 Oct 2020, 15:00 |
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Joined: 06/28/14 Posts: 1012 Post Likes: +731 Location: Pleasanton , TX (KPEZ)
Aircraft: 1963 Bonanza P35
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I am glad nothing bad happened and he is still alive. But man this guy... He really should stop while he is ahead. He just can't own up to the fact that the plane is way to heavy and under powered. He always picks the hardest solution it seems to every problem as well. In this video for example he is talking about adding another oil cooler to the bottom of the plane or something like that, then says or maybe I should just open up the air scoop instead of having it in the closed position  ya think... To me that would be very obvious. I would think on take off that would be when you would want that scoop full open anyway. I don't know that 5000 feet will be enough to get it off the ground if he opens the scoop and adds more drag, maybe that's what he is worried about. In my opinion, the gear being down was not the issue with flight control with pitch and roll, but of course he thinks it is. Even if that is the problem who is gonna wanna fly something that is that unstable on a calm, clear day with the gear down? Who is gonna wanna enter the traffic pattern and drop the gear knowing they are gonna get "bucked" around for a few minutes? I bet he was on the verge of a stall. He was having to really try to keep this thing in the air. His face when he shut the plane down says it all. He was disappointed in this first flight and relieved to be on the ground. His non verbals did not exhibit confidence or enthusiasm. I was really pulling for Peter and the team a few years ago but at this point it's time to pull the engine off and keep developing it with a velocity or something else, and scrap this airframe. He does not have the money to start over, he won't be able to raise the funding for a new airframe. If he continues this project someone is going to get hurt.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 08 Oct 2020, 15:07 |
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Joined: 01/06/09 Posts: 472 Post Likes: +166
Aircraft: A185F
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Did anyone notice the fuel flow was only 20gph? seems low for the HP he predicted.
Andy
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 08 Oct 2020, 15:12 |
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Joined: 06/28/14 Posts: 1012 Post Likes: +731 Location: Pleasanton , TX (KPEZ)
Aircraft: 1963 Bonanza P35
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Username Protected wrote: Did anyone notice the fuel flow was only 20gph? seems low for the HP he predicted.
Andy seemed reasonable and normal to me. After all this thing only drinks 2.7 gph in cruise at 300kts. So 20gph on takeoff should be about right if not a little high. I bet raptor 2.0 will only drink around 5gph with full power takeoff.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 08 Oct 2020, 15:21 |
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Joined: 05/05/09 Posts: 5315 Post Likes: +5302
Aircraft: C501, R66, A36
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I believe that engine makes around 200HP based on the performance and fuel flows I saw. Continuing this madness will only result in death or injury.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 08 Oct 2020, 15:46 |
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Joined: 05/13/14 Posts: 9173 Post Likes: +7693 Location: Central Texas (KTPL)
Aircraft: PA-46-310P
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The pitch oscillations would be a deal breaker for me ever flying it again. And he's talking about retracting the gear! On flight #2?! It should be clear to him that it'll never achieve original design targets.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 08 Oct 2020, 16:02 |
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Joined: 11/24/11 Posts: 663 Post Likes: +707
Aircraft: PA31, PA32R
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Based on the latest video, that was a 3,365' takeoff roll. He lifts off at the end of the second centerline stripe past the last touchdown zone marker.
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