26 Oct 2025, 07:37 [ UTC - 5; DST ]
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 12 Aug 2021, 23:08 |
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Joined: 08/26/15 Posts: 10018 Post Likes: +9997 Company: airlines (*CRJ,A320) Location: Florida panhandle
Aircraft: Travel Air,T-6B,etc*
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Username Protected wrote: His solution to pressurization? He was asked about it in the reply section of his latest video. See this little nugget of PM creativity/science:
Raptor Aircraft 18 hours ago We are planning on using a system similar to a home oxygen concentrator. It does not require tanks and there is no need for cannulas and there is no risk of a loss of cabin pressure. It's also way lighter and very low maintenance. The only down side is that you will not feel the pressure. That, uhhh raises my eyebrows a bit too. The instructions that come with the Innogen concentrators explain that they produce enough for two people up to roughly a mid-teens altitude. Part of how oxygen concentrators function is by high temperature. The concentrators in military aircraft use engine bleed air, which is hot to begin with, but the portable medical/general aviation concentrators use electric heat (from a battery or the a power from the ship's electrical system, i.e. 12V/24V plug). Maybe he's planning on using bleed air from the turbo... even so, the mil systems produce enough oxygen to breathe through a mask (rather than a cannula but still not greatly much more). entire cockpit ambient air > mask > cannula Not to mention the fire hazard of making the cockpit air an oxygen-rich environment!
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 12 Aug 2021, 23:35 |
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Joined: 12/07/17 Posts: 6976 Post Likes: +5869 Company: Malco Power Design Location: KLVJ
Aircraft: 1976 Baron 58
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Username Protected wrote:
Not to mention the fire hazard of making the cockpit air an oxygen-rich environment!
Somebody should send him a documentary on Apollo 1. Course he’d probably just think NASA didn’t use enough angle iron in their design.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 12 Aug 2021, 23:43 |
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Joined: 08/05/16 Posts: 3151 Post Likes: +2294 Company: Tack Mobile Location: KBJC
Aircraft: C441
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Let us not forget his initial 300 knot claims were based on the area rule. When I first came across his website I hadn’t heard of it, and out of curiosity googled it. The first sentence in the first link (the Wikipedia article) would tell anyone that it does not apply to aircraft such as the raptor.
Likewise it would not take more than 5 minutes of basic research to know an oxygen concentrator would be of negligible value for an entire cabin. He wants to believe something, and he ignores all data that disagrees with the conclusion he started with. He has a psychological problem that makes this craziness genuine and somehow very entertaining, if he were in on the joke it would be boring.
It’s sort of like mythbusters, I know that square wheels are a bad idea, but I sure want to see someone try it.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 13 Aug 2021, 00:45 |
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Joined: 05/06/14 Posts: 7252 Post Likes: +8862 Company: The French Tradition Location: KCRQ - Carlsbad - KTOA
Aircraft: 89 A36 TN, 78 Tiger
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Like I said before... Season 2 is promising to be ever better than season 1. Can't wait to see what he comes up with next. (He may go after some of Newton's laws... Why not. In fairness, they are not really laws, they are more like than strong suggestions. ) I mean, some people pay good money to be entertained on a regular basis... This is free.
_________________ Bonanza 89 A36 Turbo Norm Grumman Tiger 78
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 13 Aug 2021, 01:13 |
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Joined: 03/15/16 Posts: 441 Post Likes: +349 Location: NC
Aircraft: Looking for one
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Username Protected wrote: His solution to pressurization? He was asked about it in the reply section of his latest video. See this little nugget of PM creativity/science:
Raptor Aircraft 18 hours ago We are planning on using a system similar to a home oxygen concentrator. It does not require tanks and there is no need for cannulas and there is no risk of a loss of cabin pressure. It's also way lighter and very low maintenance. The only down side is that you will not feel the pressure. He literally tries to reinvent the wheel on the simple stuff.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 13 Aug 2021, 05:36 |
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Joined: 05/11/10 Posts: 13305 Post Likes: +13117 Location: Indiana
Aircraft: Cessna 185, RV-7
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Username Protected wrote: It’s sort of like mythbusters, I know that square wheels are a bad idea, but I sure want to see someone try it. If you said this after Peter proposed square wheels, his fans would say, “Oh? Tell us how many wheels YOU’VE designed. . . .” Do we not have any psychiatrists on BT?
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 13 Aug 2021, 06:10 |
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Joined: 01/18/11 Posts: 7664 Post Likes: +3697 Location: Lakeland , Ga
Aircraft: H35, T-41B, Aircoupe
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Top of the head wag. He would have to add about a pound of oxygen per cubic meter at 20,000 ft to have same effective oxygen as 10,000’ cabin. I have no idea how big a machine thar would take. The cabin would have to be tight and maybe have a co2 scrubber. Got a feeling pressurization would weigh less. Apollo 1 cabin was 100% oxygen. 10,000 ft cabin is about 14% effective oxygen fire hazard would be less than sea level as far as available oxygen goes.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 13 Aug 2021, 09:06 |
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Joined: 05/13/14 Posts: 9106 Post Likes: +7632 Location: Central Texas (KTPL)
Aircraft: PA-46-310P
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Username Protected wrote: The instructions that come with the Innogen concentrators explain that they produce enough for two people up to roughly a mid-teens altitude. Innogen has that limitation at standard voltages, but his secret ducted fan propulsion solution is going to include a 20,000 volt "dialed in" concentrator.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 13 Aug 2021, 09:21 |
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Joined: 04/26/13 Posts: 21862 Post Likes: +22498 Location: Columbus , IN (KBAK)
Aircraft: 1968 Baron D55
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Username Protected wrote: Top of the head wag. He would have to add about a pound of oxygen per cubic meter at 20,000 ft to have same effective oxygen as 10,000’ cabin. I have no idea how big a machine thar would take. The cabin would have to be tight and maybe have a co2 scrubber. Got a feeling pressurization would weigh less. Apollo 1 cabin was 100% oxygen. 10,000 ft cabin is about 14% effective oxygen fire hazard would be less than sea level as far as available oxygen goes. So an almost air tight cabin with oxygen being infused from this generator. CO2 scrubbers maybe... Sounds like it might get a little stuffy. Air conditioning? Remind me why we're making a spacecraft out of this? Or is it a submarine?
_________________ My last name rhymes with 'geese'.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 13 Aug 2021, 09:29 |
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Joined: 02/27/08 Posts: 3449 Post Likes: +1493 Location: Galveston, TX
Aircraft: Malibu PA46-310P
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Username Protected wrote: The instructions that come with the Innogen concentrators explain that they produce enough for two people up to roughly a mid-teens altitude. Innogen has that limitation at standard voltages, but his secret ducted fan propulsion solution is going to include a 20,000 volt "dialed in" concentrator.
He plans on splitting the free electrons from the secret propulsion drive and re-combining the free radicals to make nasa grade oxygen. This is basic stuff.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 13 Aug 2021, 09:39 |
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Joined: 01/18/11 Posts: 7664 Post Likes: +3697 Location: Lakeland , Ga
Aircraft: H35, T-41B, Aircoupe
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Username Protected wrote: Top of the head wag. He would have to add about a pound of oxygen per cubic meter at 20,000 ft to have same effective oxygen as 10,000’ cabin. I have no idea how big a machine thar would take. The cabin would have to be tight and maybe have a co2 scrubber. Got a feeling pressurization would weigh less. Apollo 1 cabin was 100% oxygen. 10,000 ft cabin is about 14% effective oxygen fire hazard would be less than sea level as far as available oxygen goes. So an almost air tight cabin with oxygen being infused from this generator. CO2 scrubbers maybe... Sounds like it might get a little stuffy. Air conditioning? Remind me why we're making a spacecraft out of this? Or is it a submarine? Well, it would have to outflow at the same rate as O2 coming in. 6 people would use about 3 liters a minute. That sounds doable. Can a cabin only leak that Much, i doubt it.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 13 Aug 2021, 09:49 |
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Joined: 12/03/14 Posts: 20707 Post Likes: +26143 Company: Ciholas, Inc Location: KEHR
Aircraft: C560V
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Username Protected wrote: He wants to believe something, and he ignores all data that disagrees with the conclusion he started with. Based on recent events, a significant fraction of the population has similar problems when it comes to understanding epidemiology. Peter is not some harmless and amusing village idiot, he is dangerous not only to himself but potentially to others. Mike C.
_________________ Email mikec (at) ciholas.com
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 13 Aug 2021, 09:53 |
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Joined: 04/26/13 Posts: 21862 Post Likes: +22498 Location: Columbus , IN (KBAK)
Aircraft: 1968 Baron D55
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Username Protected wrote: Well, it would have to outflow at the same rate as O2 coming in. 6 people would use about 3 liters a minute. That sounds doable. Can a cabin only leak that Much, i doubt it. If you're using outside air to separate (you'd kinda have to), then you only have to outflow the 20% that represents the oxygen that you "generate". The nitrogen gets dumped overboard. Of course if you do this you're also dumping some of your freshly generated oxygen too. Then there are the CO2 scrubbers that have to be maintained or replaced regularly. Imagine the average shade-tree experimental owner diligently replacing scrubbers.
_________________ My last name rhymes with 'geese'.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 13 Aug 2021, 10:03 |
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Joined: 05/01/14 Posts: 9671 Post Likes: +16526 Location: Операционный офис КГБ
Aircraft: TU-104
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Username Protected wrote: Peter is not some harmless and amusing village idiot, he is dangerous not only to himself but potentially to others.
A major downside to the Internet is it has given village idiots a global reach.
_________________ Be kinder than I am. It’s a low bar. Flight suits = superior knowledge
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