10/23 Raptor Video

Homebuilt Aircraft & Kit Plane Forum

Help Support Homebuilt Aircraft & Kit Plane Forum:

Status
Not open for further replies.

Jay Kempf

Curmudgeon in Training (CIT)
Lifetime Supporter
Joined
Apr 13, 2009
Messages
4,351
Location
Warren, VT USA
"Motivated reasoning" is what social scientists call the process of deciding what evidence to accept based on the conclusion one prefers.

To maintain positive self-regard, people knowingly discount troubling information that contradicts their own views. Individuals engage in motivated reasoning as a way to avoid or lessen cognitive dissonance (the term for the state of discomfort felt when two or more modes of thought contradict each other), the mental discomfort people experience when confronted by contradictory information, especially on matters that directly relate to their comfort, happiness , and mental health.

In summary: Rather than re-examining a contradiction, it’s much easier to dismiss it.

Someone owes me $1200 for this session.
Cognitive dissonance is pretty much required if you are going to pursue aviation in any real manner.

And I prefer the way Teri Garr said "Sank you Doktor." in Young Frahnkensteen.
 

Victor Bravo

Well-Known Member
HBA Supporter
Joined
Jul 30, 2014
Messages
9,522
Location
KWHP, Los Angeles CA, USA
If only Cloris Leachman were here to play the role of Frau Raptor, and every time that name was mentioned you'd hear the sound of an engine coughing in the distance :)

I'm also convinced that Marty Feldman was working in the Audi engine stockroom, dropped the reliable engine, and then went back to pick up a slightly differently labeled replacement engine !
 

proppastie

Well-Known Member
Log Member
Joined
Feb 19, 2012
Messages
5,229
Location
NJ
3,700ft and a GS of 123kts
well that is close to 200knts at 27,000 ft. .....issues as to wind and weather and if that 123 knts. is true or not.......so maybe without the overweight /cooling issues the design is not so bad......give it a good paint job and it will sell.
 

BBerson

Light Plane Philosopher
HBA Supporter
Joined
Dec 16, 2007
Messages
15,223
Location
Port Townsend WA
well that is close to 200knts at 27,000 ft. .....issues as to wind and weather and if that 123 knts. is true or not.......so maybe without the overweight /cooling issues the design is not so bad......give it a good paint job and it will sell.
He is flying research prototype one, not production prototype with proven developed engine.
He said the future design is not what you think.
 

BBerson

Light Plane Philosopher
HBA Supporter
Joined
Dec 16, 2007
Messages
15,223
Location
Port Townsend WA
The recent video by Elliot showed a screen shot of about 50 "racetracks" above the airport. Not exactly figure eights but that's how he does it. Then the auto engine quit and crashed before he got to cross country.
 

rv6ejguy

Well-Known Member
Joined
Jun 26, 2012
Messages
4,512
Location
Calgary, Alberta, Canada
For the benefit of some new posters here- designing, building and flying something like Raptor is quite an accomplishment for anyone as a one-off for personal use however that was never the stated goal or mission of Raptor. The designer took millions in investor money on the promise of incredible, world beating range, speed, payload, fuel economy, price and operating costs while flying passengers in pressurized comfort in the flight levels.

8 years later, the prototype has demonstrated NONE of these goals. It's not even close matching a variety of 40+year old existing designs. It will require a complete re-design of structure and systems, plus a proper aero engine to even match existing designs out there. That will take years more time and tons more money to accomplish. The deposit holders are the big losers here. They'll still be waiting at the 12-15 year mark for something tangible.
 

Jay Kempf

Curmudgeon in Training (CIT)
Lifetime Supporter
Joined
Apr 13, 2009
Messages
4,351
Location
Warren, VT USA
If only Cloris Leachman were here to play the role of Frau Raptor, and every time that name was mentioned you'd hear the sound of an engine coughing in the distance :)

I'm also convinced that Marty Feldman was working in the Audi engine stockroom, dropped the reliable engine, and then went back to pick up a slightly differently labeled replacement engine !
Audi Normal
CLASSIC! Very close to coffee out my nose. Herr Docktor: where did you get that engine.... Igor: I don't know, Audi someone?

Frau Raptor would be announced and it would be CLANKING in the background followed by a large puddle of oil and a bashful look.

Wasn't one of the videos after the transplant titled... "IT'S ALIVE!"
 

TarDevil

Well-Known Member
Joined
Jun 29, 2010
Messages
979
Location
Coastal North Carolina/USA
The recent video by Elliot showed a screen shot of about 50 "racetracks" above the airport. Not exactly figure eights but that's how he does it. Then the auto engine quit and crashed before he got to cross country.
He also did stalls in various configurations, tested elevator authority with flaps extended, etc. Though the airframe had a total of 140 hours, Elliot explores the envelope.
 

PPLOnly

Well-Known Member
Joined
Dec 12, 2020
Messages
173
He cautiously flew 40 hours of slow figure 8's, and now a slow cross-country hop.

That's not research. It's not even testing.
He’s endurance testing the Powerplant configuration he’s not going to use. The whole program is a head scratcher unless you figure in gates he must pass through for inventor/new owner money. And then it all makes perfect sense.
 

rv6ejguy

Well-Known Member
Joined
Jun 26, 2012
Messages
4,512
Location
Calgary, Alberta, Canada
Real engine endurance testing would involve running at MCP (or at least climb power) for several hundred hours before calling it remotely safe to be using this powerplant and drive in customer aircraft. Loafing around at half power at low altitude doesn't prove much of anything on a turbocharged engine intended for the flight levels.
 

berridos

Well-Known Member
Joined
Oct 10, 2009
Messages
1,141
Location
madrid
I suspect some private equity will electrify the raptor in california to comute from san francisco to silicon valley. Thats why he is not bothered with the cooling and turbo issues.
 
Status
Not open for further replies.
Top