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HelicopterOff Topics › WOW what's this strange plane I saw
05-16-2008 10:30 PM  9 years agoPost 21
Pistol Pete

rrProfessor

Seffner, FL

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http://www.airliners.net/

I'm pretty sure...whatever you saw you will find in above link.

~~Enjoying the hobby one flight at a time~~

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05-16-2008 10:36 PM  9 years agoPost 22
Gearhead

rrMaster

Vt

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yeeaa I know, but I'm not going threw 10,000 photos to find it

Jim
Buzz Buzz Buzz

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05-16-2008 11:02 PM  9 years agoPost 23
Ralphw

rrKey Veteran

Spring, TX

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I found some bits over on Airliners.net re. an aerial refueling route over the Vermont area (see attached map). Based on your description I'd bet that what you saw was an E4B (AF 747 variant) during a refueling. Refueling aircraft could have been a KC10 or KC135. Depending on your perspective and their altitude, they could easily have appeared as one aircraft. The refueling picture is a KC135 with a B52 but it gives you some idea of the possibilites.

Next time make sure you have a camera !!

Ralph W.
"Life's Short, Fly Fast"

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05-17-2008 02:20 AM  9 years agoPost 24
Gearhead

rrMaster

Vt

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yes, I have my camrea ready..

Jim
Buzz Buzz Buzz

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05-17-2008 03:32 AM  9 years agoPost 25
Dr.Rivet

rrApprentice

Seattle, WA, USA

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AndyH you missed one

Besides Dreamlifter, ABL and SOFIA

there is one more peculiar version of 747, it called Dreamtester I think.

I see it couple times a week since my office overlooks the runway and it is a 747-400 Flying Test Bed for RR Trent 1000 or GEnx engines for 787 program. Last time i saw it, it had Genx on it and on the nacelle i think they wrote Dreamtester. it looks very strange since the diameter on P2 is considerably larger then the rest of engines. the picture is old and it's for Ge115 engine I think for 777. Dreamtester is white and if you see it after couple of beers odds are you quit drinking for good.

Anyways, I coud bet that what that guy saw was an optical illusion. Boeing doesn't test wings this way. At least for commercial stuff. There is very small chance that it's a secret project by Phantom Works or USAF or Skunk Works or Alians (you know green ones which visit sometimes after one too many drinks, not to be confused with illegal ones, they are mostly brown in color not green and they can't fly, but sure run fast)


this picture is very old, it was a flying test bed for 777 program over 10 years ago. Could not find the current Dreamtester pic

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05-17-2008 03:45 AM  9 years agoPost 26
Dr.Rivet

rrApprentice

Seattle, WA, USA

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Found it!

Here it is with RR Trent 1000 on it. I believe test program for RR is over and they stuck a Genx on it now with different strut and systems and repainted the vertival stab and ruder with GE

crap I cant seem to post a picture for some reason....

here is link anyways: http://images.google.com/imgres?img...l%3Den%26sa%3DG

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05-17-2008 03:50 AM  9 years agoPost 27
Dr.Rivet

rrApprentice

Seattle, WA, USA

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05-17-2008 03:59 AM  9 years agoPost 28
GimbalFan (RIP)rrProfessor - Big Coppitt Key, FL - My Posts: All  Forum  Topic

a Piaggio Avanti
So THAT'S what that was! I caught a good look at one of these at the airport the other day. QUITE the bitchen sound when those 5-bladed twin turboprop pushers spool up -- like nothing I've heard before.

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05-17-2008 04:30 AM  9 years agoPost 29
SSN Pru

rrElite Veteran

Taxachusetts

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fastest turboprop business plane right now.

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05-17-2008 10:26 PM  9 years agoPost 30
TachyonDriver

rrKey Veteran

Chipping, Lancs, UK

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AND the Avanti's Beyootiful too look at too I just need a lottery win and flitgh school

Little Spinning Bundle of Joy® DON'T DISS THE DINO!!

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05-18-2008 01:08 AM  9 years agoPost 31
AndyH

rrKey Veteran

Rockledge, FL

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Dr.Rivet - yup you're right I totally forgot about that one! There was a great web clip going around about that engine - neat! The clip said that 1 engine could keep the 747 airborne. Kinda hard to believe, but possible I guess at full throttle maybe? And it's something I'm sure they ain't gonna test!

This hobby is like Kryptonite to chicks!

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05-18-2008 01:14 AM  9 years agoPost 32
Dr.Rivet

rrApprentice

Seattle, WA, USA

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sure they will! 787 will require xx% power for ETOPS certification and they run that engine at about 90-95% (my estimate) power for a loooong time.

FYI

747-8 is in the works right now with new wing to clear 4 new GEnx engines. It looks very sexy in CATIA to say the least.

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05-18-2008 05:23 AM  9 years agoPost 33
helimatt

rrElite Veteran

Lafayette, IN

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My opinion: the Piaggio Avanti is one of the most beautiful aircraft ever crafted. Right up there with the P51D.

Too bad about their choice of powerplants though.

Never, ever, ever, ever give up.

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05-18-2008 05:28 AM  9 years agoPost 34
GimbalFan (RIP)

rrProfessor

Big Coppitt Key, FL

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Piaggio Avanti Specs

What should it have instead of those P&W PT6A-66B's?

BTW, it has counter-rotating props. I imagine it must be a VERY smooth prop-driven bird to fly, especially on TO's and landings.

op-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-thwop-t

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05-18-2008 05:55 AM  9 years agoPost 35
MAVRICK

rrVeteran

Northwest Georgia

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Last week when I took a flight lesson at KVGT I saw one of those planes sitting in front if the terminal. I'll have to take some pics of it if it's still there when I go up for another flight this week.

Sweet looking airplanes.

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05-18-2008 02:54 PM  9 years agoPost 36
SSN Pru

rrElite Veteran

Taxachusetts

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Too bad about their choice of powerplants though.
Aircraft engineers don't arbitrarily select powerplants. They are chosen for very specific reasons. Most importantly, efficiency. I'm sure they had a very good reason to put those engines on there...

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05-18-2008 04:00 PM  9 years agoPost 37
helimatt

rrElite Veteran

Lafayette, IN

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Well, I'm sure they did. I don't know much about those aerospace eng'neers though

I think some nice Rolls-Royce engines would have been better. PT-6's are decent but old technology.

look at my profile

Never, ever, ever, ever give up.

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05-18-2008 07:11 PM  9 years agoPost 38
mrdj

rrNovice

littleton co

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Aircraft engineers don't arbitrarily select powerplants. They are chosen for very specific reasons. Most importantly, efficiency. I'm sure they had a very good reason to put those engines on there
Engineers only have part of the say. Companies can dictate (and be dictated to) about quite a lot. Ever notice how many Bristol a/c have non-Bristol engines? BOAC had RR engines on 707s. There are many examples. Aviation is too expensive to let engineers make all the choices.

In this case, the PT-6 is an established engine, easy to maintain (parts labour etc...), and a good choice for selling the a/c. The reason it's so widespread is that it is one of the great aero engines. It may be old, but its not out of the game yet.

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05-18-2008 09:32 PM  9 years agoPost 39
SSN Pru

rrElite Veteran

Taxachusetts

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my point was that engines are usually chosen for their efficiency. Fuel costs are such a big part of flying that the manufaturers do everything to increase fuel efficiency.

I will concede, however, that the bean counters have the final say too often.

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05-19-2008 01:03 AM  9 years agoPost 40
Furious Predator

rrProfessor

Kitchener, Ontario,​Canada

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Wasp

draw out a sketch for us.

Shawn
Team Leisure-Tech
Team HelixRC

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