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27 Feb 2020, 21:47 [ UTC - 5; DST ]


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 21 Jan 2020, 18:10 
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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
PostPosted: 21 Jan 2020, 18:41 
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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
PostPosted: 21 Jan 2020, 18:51 
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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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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 21 Jan 2020, 21:22 
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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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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
PostPosted: 21 Jan 2020, 23:16 
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Location: Pleasanton , TX (KPEZ)
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New week, new video, new idea, and more weight added.


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 22 Jan 2020, 07:56 
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I hope that soon this train wreck will end without a plane crash.


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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 22 Jan 2020, 12:23 
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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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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 22 Jan 2020, 12:56 
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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
PostPosted: 22 Jan 2020, 14:05 
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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
PostPosted: 22 Jan 2020, 18:43 
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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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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 22 Jan 2020, 18:56 
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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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 Post subject: Re: Raptor Aircraft 5 Seat Pressurized 3,600 NM Range Die
PostPosted: 22 Jan 2020, 19:28 
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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
PostPosted: 22 Jan 2020, 22:00 
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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
PostPosted: 22 Jan 2020, 23:58 
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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
PostPosted: 23 Jan 2020, 00:05 
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Aircraft: 89 A36 TN, 78 Tiger
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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