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Old 11-29-2001, 05:11 PM   #1
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Lightbulb What if: Giving a new life to the 727!

My favorite commercial airliner has always been the 727. I'm quite sad to see these great planes, once the most produced airliner of all time, dissappear from the terminals and skies of the world. Every major airline has at one time or another flown this aircraft, and yet they are passing into history like dinosaurs from an earlier epoch...

I got to thinking, what if Boeing had decided to go ahead with the extension of life of the reliable old 727 as they did with the 737? Here is my answer:



I have decided to use the 787 name rather than 727 Next Generation mainly because I have have changed enough about the airframe that I thought a name change was also in order... it also makes it seem like a wholly new product in the public eye. It is designed to fit between the 757-200 and 737-800, which is a NARROW segment I know (but this is a FANTASY!!!). It would service regional airports much as the original 727 was designed to do and be a logical choice for smaller airlines wanting the 757 for their busier routes, but needing the short runway capabilities.

The biggest change was from trijet to twin. Let's face it, aircraft in this segment of the market don't NEED 3 engines anymore. The 757 and 767 proved their point with the advent of ETOPS. In order to maximize on the existing tooling, I have removed the #2 engine nacelle and continued the vertical stabilizer cleanly to the fuselage. I have also replaced the #2 exhaust with a "screwdriver" cone like on the MD-80/90/717 products. This provided the opportunity to relocate the APU from the wing to the tailcone a'la the 777.

The new engine choices would be the same as on the 757... RR RB211-535E4's (40,100lbs thrust) or P&W PW2040's (41,700lbs thrust) in order to provide commonality in fleets like United, Delta and Northwest who might use the 757 for longer range work and the 787 for short to medium operations. I'm proposing these engines with the experimental serrated exhaust cones for additional noise abatement.

The wings are entirely new and re-designed (retaining the ~35 degree sweepback) with a supercritical section and blended winglets for economy, also providing better high lift shorter takeoff capabilities than the 727. These wings are also larger, providing greater fuel capacity for extended flight duration for longer segments or less refueling on high cycle days. The horizontal stabilizer is similar in configration to the 727 and retains many common parts, but has greater surface area similar to the 737NG's.

The landing gear would be the same as the 727 at the nose, but utilize new 4 tire bogeys on the mains with many common parts from the 757. 2 tire mains would be an option for rough field operations on the -100 and -200 variants.

Although the fuselage section and cockpit exterior components remain the same to decrease tooling costs, the cabin offers all new configurations. This version shown is a typical 2 class -300 variant (190-220 pax capacity). Longest in cabin size and highest in capacity. It now has 4 main cabin doors, 4 closer spaced overwing and the same "hatrack" style aft emergency exits. The interior would be based on the latest 737NG styling to provide commonality for economy of scale. The cockpit would incorporate the latest 2 pilot "glass cockpit" technology as well as solidcore flame retardant kevlar layered demising walls and door between the cockpit and cabin for security purposes. (small gunports opened only from inside the cockpit would be an option!) The rear airstairs would be an option which could be retrofitted by later customers.

If that beautiful old bird could rise like a phoenix with a new lease on life, this is what I thinks she would be...

So am I crazy or on to something good here? Thoughts?
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Old 11-29-2001, 05:59 PM   #2
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Cool Cool one Dar!

That idea works!! I would love to fly that to SNA. Wings are good and I like the tail.

Looking at your avatar! That is my best and first recommendation as the first airline to order these 787-300 in the "What If" World. What does the -200 look like! That Frontier I did I wonder what it would look like on this. I give you liberty to use that if you wish only for the 787 series.

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Old 11-29-2001, 09:11 PM   #3
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Really neat AirDar! I would have to say that you're in the wrong business ... you should have gone into aeronautical engineering or something towards that direction. I liked the fact that you have adopted the 777 empennage into this design ... I'm sure this is indeed an aerodynamic improvement over the original version. I'll bet the thrust-to-weight ratio on this baby should be pretty good. Probably has an excellent climb rate!

I'm doing some work on the side that I'd like to ask you about, so if you wouldn't mind, could you email me outside of this forum so that I could run something by you?

That'd be great if you could ... thanks!

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Old 11-29-2001, 10:27 PM   #4
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Nice job Dar!!! If anything hadda replace the 727s here @ good ol' LGA, it would have to be a 787
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Old 11-29-2001, 10:50 PM   #5
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Wow..nice job, I kinda lik that!!
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Old 11-30-2001, 01:50 PM   #6
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Thumbs up HOT FRIGGIN' DAMN, IS THAT SUH-WEET OR WHAT!

Now THIS has to be one of your best efforts thus far. Not only is the 727 one sweet bird, but the whole concept of a modernized version just begs for speculation! In reality, in the mid 1970s Boeing was actually looking at a modernized stretch version called the 727-300, but the development of this model would have conflicted with the impending launch of the 757/767 product lines, particularly since the proposed 727-300 would have taken resources/sales from the 757 line. If I'm not mistaken, the proposed 727-300 even had four-wheel main bogies.

But I digress.

You know what this looks like? Especially from the top view? Think smaller...yup, that's right, it looks kinda like a Bombardier Global Express bizjet, only scaled larger. And mind you, that's one coool looking business jet and many of its features are seen in the CRJ700/900 series.

But I digress again.

One of the most elegant aerodynamic designs in commercial aviation has to be the 727's wing- very clean, no engine nacelles dangling off of it, and it opens up with an amazing plethora of lift-enhancing devices from Krueger flaps, slats, slotted flaps not to mention the high/low speed ailerons and spoiler system. The addition of a blended winglet only enhances the clean look of the 727's wings.

I think keeping the 727's fin/rudder minus the intake is what makes this rendering look sleek. After all, that raked back tail is what makes the 727 stand out from other airliners with t-tails. If your eyesight is bad enough, that screwdriver tailcone just might look like the old center engine on the 727-100/200!

Nice work incorporating the serrated exhausts from that pic KevinO posted a few weeks ago. He's a real Boeing engineer, you know. I'm sure he's tickled to see us take that stuff to heart.

Tremendous effort, here, Dar. And well thought out. I'm no aerospace engineer (but I did stay at a Holiday Inn Express last night), but it works for me. How about seeing the 787-100 and -200 in some airline colors?
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Old 12-01-2001, 12:52 AM   #7
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Great idea Dar!

Yes, I miss B727s too. I still see many United B727-200s
land at Chicago O'Hare, but they are retiring every months.
You centainly created a great looking airliner!

Best,
Benjamin
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Old 12-01-2001, 05:53 AM   #8
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Excellent presentation, Dar! I really like the "blueprint" design featuring the three-view of the proposal. Are these hand-drawn as well, or did you modify prepared views?

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Old 12-01-2001, 06:48 AM   #9
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Quote:
Originally posted by Steve
...Are these hand-drawn as well, or did you modify prepared views?
All from scratch Steve. A few models and photos for visual and detail reference, but done with hand, mouse & eye!

Thanks for the complement!
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Old 01-24-2002, 01:57 AM   #10
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Just thought I'd add to this thread what I saw in the current issue of Airways (March 2002) in their Mailbag section. The letter/response this was taken from can be found on page 64, and includes pictures which I unfortunately could not find anywhere on the net.
I'm just going to post the response part since I have to type it all in:

The Volpar Aircraft Corporation (Van Nuys, California) proposed a 727 twin-conversion program using CFM International CFM56-5C2 engines. These would have offered easy compliance with Part 36, Stage 3 noise regulations (and possibly lower noise levels than any airliner except the 777), and reduced fuel burn estimated at an annual saving of $750,000 per aircraft. Performance would have been greatly enhanced, with a 48% increase in range and no payload or cruise penalties, and engine maintenance costs significantly reduced. Although Volpar intended to apply for a Supplemental Type Certificate (STC), no timetable was released, and in 1990 the company was acquired by Gaylord Holdings of Switzerland.

CFM International itself announced that it had interest in a twin CFM56-5B/-5C conversion from 'a larger 727 operator', and International Aero Engines (IAE) revealed in 1992 that it was working on a 727 twin using V2530-D5 engines (similar to those used on the McDonnell Douglas MD-90) for in-service entry in mid-1995 or 1996.

Subsequently, Snow Aviation International (Colombus, Ohio) offered a similar retrofit, using two V2530-W5 turbofans. This program also included a two-crew glass cockpit and structural upgrades with a price tag of $20 million, or about half the cost of a 757. Snow calculated that the conversion would save $600,000 a year in fuel bills (a 25-30% burn improvement) and increase range by 750nm (1,400km), giving the 727 nonstop US transcontinental ability.

While estimates put the potential of a 727 twin at around 500 conversions, it may be assumed that Boeing did not encourage such programs as they would have impacted sales of the 757.


There are two pictures of the proposed twin-engined 727. One is an artist's drawing of the one by Snow Aviation with the V2500 engines, the other is a picture of a model of the proposed CFM-powered version wearing the Delta "widget" color scheme. Each has a round tail cone that would have gone in place of the #2 exhaust, and each looks like it would have a new fairing in place of the #2 intake (as opposed to getting a whole new vertical stabilizer).

So maybe Dar's idea isn't so crazy after all...

Rick
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Old 01-24-2002, 07:25 AM   #11
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A little affirmation...

VERY interesting! Thanks Rick!
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Old 01-24-2002, 04:19 PM   #12
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Now THIS is an idea who's time has come!!!!!

Modernizing that beautiful bird would be soooooo cool. What airline, or even Boeing for that matter, could argue with what you propose here. Get going Boeing!

And as usual, an absolutely stunning job on the visuals Dar.
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Old 03-18-2005, 07:45 PM   #13
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OMG - She's sweet looking Dar, I've always liked the 727 and this makes her look even better. Can you tell me more? Max take-off weight, wingspan, length, range, etc. I know it's fictional but it looks like an actual aircraft. Also, did you do a 3-view similar to the left side view?...........DougD
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Old 03-22-2005, 09:35 PM   #14
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WOW! This is one old thread, well, about the aircraft, I don't know, it just dosn't feel the same without that 3rd engine to me, but hey, it looks sweet, if Boeing didn't shut down the 717 line, something like this could have been next in line for that aircraft (in other words a 717-300).
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Old 03-22-2005, 09:37 PM   #15
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Sorry, I didn't know there was a "statute of limitations" on replies to a post. I'm new to the forum and was commenting on his excellant work..........
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Old 03-22-2005, 09:41 PM   #16
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Don't worry, I accedentlly did that on W900 forum when I was new also, that thread stayed alive loing enough for some more of the newer people to comment on this and since the 717 line was shut down I think this would be a thread that could do just that, because there could be a lot of interesting discussion with this plane. But then again, maybe not.
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Old 03-22-2005, 09:53 PM   #17
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Thanks buddy, I would of loved to see a 717-300. I know Boeing was talking about stretching the -200 a few years back but apparently the whole line wasn't feasible........
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Old 03-27-2005, 10:48 PM   #18
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Quote:
Originally Posted by xmit
Sorry, I didn't know there was a "statute of limitations" on replies to a post. I'm new to the forum and was commenting on his excellant work..........
Transmit.......there is no statute of limitations. Feel free to do whatever the hell you want to. I think it is pretty cool to see really old threads resurected.....once in a while.
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Old 03-28-2005, 02:02 PM   #19
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Plus since I host this image, I leave it out there so new people can see it as and when they get to it. Otherwise you would all see a big question mark instead of a picture...

No, I never did a full color three view, just the bare outlines you see above. As for the stats on this bird, I always imagined it as similar to the 757-200 (which wouldn't have HAD to have been built if this had happened) dimension and weight wise, but didn't get too into figuring them out...

Having spent some time this last month checking out things at Boeing field and Everett, I still feel this would have been a valid prroposal.. Ah well!

If you don't feel like diggin again, here's another other illo I did of this idea...



Enjoy!
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Old 03-29-2005, 06:49 PM   #20
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Thanks for your response Dar, she is a real beauty. Any other masterpieces that you've done? Sorry to be a bother...........
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Old 05-08-2005, 03:30 PM   #21
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You guys have beeb the "nachos, salsa and guacamole" of this section. Thanks to the person that got this thread resurrected to enjoy once again.

Many of you people make this place to stubornly stay put. Long life to DAC and the great people here!!!

Best Regards!!!
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Old 05-31-2005, 01:51 AM   #22
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Haven't been here for a while, but that concept is awesome.
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Old 09-08-2005, 02:20 PM   #23
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Hello all
The 727 is still alive and well in Africa, I travelled on one only last year (2004). I love that rear exit.... very YAK42 like. I think it was either Angola or Nigeria, maybe both.

Please dont refer to them as dinosaurs..... I still have to fly on these planes some times in Africa......it makes me nervous.

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Old 09-08-2005, 05:56 PM   #24
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Quote:
Originally Posted by david cotton
Hello all
The 727 is still alive and well in Africa, I travelled on one only last year (2004). I love that rear exit.... very YAK42 like. I think it was either Angola or Nigeria, maybe both.

Please dont refer to them as dinosaurs..... I still have to fly on these planes some times in Africa......it makes me nervous.

Regards
David
alive and well in Indy too ... flying freight for FEDEX ... AirDan ... great concept and drawing ... your work as usual is excellent!
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Old 09-10-2005, 02:08 PM   #25
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I am begining to believe that this thread will never die, This puppy came out just after I joined up into this looney bin.
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Old 12-20-2005, 03:37 AM   #26
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