16 Nov 2025, 19:59 [ UTC - 5; DST ]
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die  Posted: 21 Jan 2020, 18:10 |
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Joined: 11/22/12
Posts: 2920
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Company: Retired
Location: Lynnwood, WA (KPAE)
Aircraft: Lancair Evolution
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Username Protected wrote: it is clear that mounting to just the single flexible fiberglass surface has not worked well. Wait, what, fiberglass? I thought the wing surface was carbon all this time. Of course a single layer of fiberglass wouldn't be stiff enough.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 21 Jan 2020, 18:41 |
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Joined: 01/18/11
Posts: 7664
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Location: Lakeland , Ga
Aircraft: H35, T-41B, Aircoupe
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Indeed it seems part of the velocity system uses push pull cables.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 21 Jan 2020, 18:51 |
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Joined: 12/23/11
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Aircraft: 210
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Username Protected wrote: Wait, what, fiberglass? I thought the wing surface was carbon all this time. Of course a single layer of fiberglass wouldn't be stiff enough. I misspoke. I didn't follow the early build process but it does look like carbon composite, rather than fiberglass.
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Inasmuch as which....ever so much more so.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 21 Jan 2020, 21:22 |
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Joined: 12/10/07
Posts: 35917
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Location: Minneapolis, MN (KFCM)
Aircraft: 1970 Baron B55
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Username Protected wrote: I am saying if someone is trying push pull the marine cables would be the way to go, they are all stainless steel and permanently lubed. FWIW, I typically have to replace the 3/4" steering cable in my ski boats every 4-5 years because they get "stiff" (hard to steer).
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-lance
It's easier to fool people than to convince them that they have been fooled.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 22 Jan 2020, 12:23 |
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Joined: 01/31/12
Posts: 3027
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Company: French major
Location: France
Aircraft: Ejet
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Username Protected wrote: New week, new video, new idea, and more weight added. Somehow I feel that the "more weight added" part is a blessing in disguise. Hopefully it will be too heavy to fly. No flight, no crash.
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Singham!
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 22 Jan 2020, 12:56 |
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Joined: 03/15/16
Posts: 441
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Location: NC
Aircraft: Looking for one
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This thing has to be near 3100# with the rear seats and all the 1/4” steel brackets he has added.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 22 Jan 2020, 14:05 |
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Joined: 11/03/08
Posts: 16902
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Location: Peachtree City GA / Stoke-On-Trent UK
Aircraft: A33
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Username Protected wrote: New week, new video, new idea, and more weight added. Somehow I feel that the "more weight added" part is a blessing in disguise. Hopefully it will be too heavy to fly. No flight, no crash.
Unfortunately I have to disagree. Having gone off the end of the runway during an aborted takeoff in Privett’s Mig 15 project, I can vouch for being able to crash without flying.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 22 Jan 2020, 18:43 |
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Joined: 05/01/14
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Location: Операционный офис КГБ
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Username Protected wrote: This thing has to be near 3100# with the rear seats and all the 1/4” steel brackets he has added. 1/4” brackets weren’t heavy enough so now he is adding 1/2” steel rods with steel spacers. Someone should suggest tungsten as a heavier alternative.
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Flight suits = superior knowledge
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 22 Jan 2020, 18:56 |
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Joined: 12/23/11
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Username Protected wrote: 1/4” brackets weren’t heavy enough so now he is adding 1/2” steel rods with steel spacers. Someone should suggest tungsten as a heavier alternative. Steel is just for the prototype. All the steel will be replaced with AlBeMet for the production version.
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Inasmuch as which....ever so much more so.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 22 Jan 2020, 19:28 |
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Joined: 01/18/11
Posts: 7664
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Location: Lakeland , Ga
Aircraft: H35, T-41B, Aircoupe
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Username Protected wrote: I am saying if someone is trying push pull the marine cables would be the way to go, they are all stainless steel and permanently lubed. FWIW, I typically have to replace the 3/4" steering cable in my ski boats every 4-5 years because they get "stiff" (hard to steer).
The ones in my boat went 19 yrs and were still smooth. But salt water started eroding the sheath , i needed a new chain from the helm, so replaced cables too.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 22 Jan 2020, 22:00 |
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Joined: 03/22/18
Posts: 3724
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Location: Nashville, TN
Aircraft: Lazarus - a B60 Duke
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Username Protected wrote: This thing has to be near 3100# with the rear seats and all the 1/4” steel brackets he has added. Starting to remind me of the Adams 500. They finally got it to fly, but it's restricted to one passenger and maybe a bag with full fuel for weight. It needs a set of Garrett's or P&W's on it. This may end up in the same boat.
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 22 Jan 2020, 23:58 |
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Joined: 03/11/15
Posts: 181
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Company: Trailhead Partners
Location: Austin, TX
Aircraft: 182
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Username Protected wrote: This thing has to be near 3100# with the rear seats and all the 1/4” steel brackets he has added. 1/4” brackets weren’t heavy enough so now he is adding 1/2” steel rods with steel spacers. Someone should suggest tungsten as a heavier alternative.
Is this real? I keep seeing these steel brackets comments. Maybe a silly question, but why is this not done in aluminum?
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Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die Posted: 23 Jan 2020, 00:05 |
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Joined: 05/06/14
Posts: 7290
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Company: The French Tradition
Location: KCRQ - Carlsbad - KTOA
Aircraft: 89 A36 TN, 78 Tiger
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Username Protected wrote: Is this real? I keep seeing these steel brackets comments. Maybe a silly question, but why is this not done in aluminum? It's a Polar thing....
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Grumman Tiger 78
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