Tag Archives: fuselage

737 Rear Fuselage Design Evolution

The 737 has gone through many design iterations. With the introduction of the Max, the rear fuselage got quite a redesign. The original 737 tailplane was redesigned for the NG family when it was widened. This affected the rear fuselage a small amount. However, there were clearly still issues with that part of the plane given the large number of vortex generators that were fitted. These are always there to fix things that aren’t quite as they should be.

The Max has a totally reconfigured rear fuselage. Boeing clearly decided to clean up the issues that they had been living with. Any opportunity to reduce drag is needed when you are competing with the newest version of your opponent. They have thinned the fuselage a lot and this is one of the easiest ways to spot that a jet is a Max rather than a previous version (the others being the engine size and the winglet type). The APU inlet has also been relocated.

It’s Trains, Not Planes, Honest!

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I might be sneaking some planes in to a post that would normally be a non-aviation day but I am going to claim that this is a post about trains rather than planes. If you don’t agree, I shall refund your subscription fee! The BNSF main line runs alongside Boeing Field and I saw a train run past the north end of the field heading south with three 737 fuselages on their railcars. I figured I wouldn’t be able to get around in time to see them up close but then the train seemed to slow.

I figured it was worth a shot and drove around. The train has stopped but it was also behind another stopped train so I couldn’t see it easily. Instead, I head further along the track to a location where you could look up towards the train and where you would have an angle on it as it moved again – assuming it did of course. There was quite a wait for some passing commuter trains before it finally got going. The three fuselages will probably have been switched out at the yard just south of where I was and then moved to the Boeing factory at Renton.

Two More 737s Heading to Renton

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At various times I have seen the fuselages for new Boeing 737s heading by on the trains through Seattle. Usually I am a distance away from them and I get a shot that is a bit hazy and less than distinct. Recently I was working in a yard alongside the main tracks as some equipment was being loaded. I had my camera to hand to record the loading process as a train came by behind us. Initially I figured it was just another freight train so didn’t pay attention. Then, I caught the color of the fuselages out of the corner of my eye and realized a couple of new jets were onboard. Before it got too much further, I was able to grab a couple of shots.

Boeing 737s In Progress

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While there might be changes afoot in Boeing’s production locations, Seattle is still the heart of what they build. A short distance from Boeing Field is Renton, the home of 737 production. However, the plant at Renton is an assembly facility as much as a production location and, while they do build chunks of the aircraft there, a substantial portion is made elsewhere.

Most notable of the parts coming from other places is the fuselage. Boeing used to own a plant in Wichita that builds the fuselages but they sold it a few years back and it now goes by the name of Spirit. The production of the fuselages is still done there under sub-contract and the finished fuselages are shipped to Renton by train. The train comes along the tracks right behind Boeing Field. Earlier in my visit I had been driving when a train with a couple of fuselages on it went by. I was pretty annoyed to have missed it. However, I would get lucky when another train with several more fuselages on board came by.

Supposedly the journey across is not always trouble free. There is no issue with the length of the fuselage. However, some of the residents along the route are not as concerned with the well-being of an expensive piece of airplane. Repairs are often required after they arrive including patching the occasional gun shots. I guess those people are not planning on flying on the plane any time soon or maybe they might be a little less cavalier!