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Modified large cargo aircraft are pretty awesome. 
This Day in Aviation History
May 24th, 1967
First flight of the Aero Spacelines Mini Guppy.
 
The Aero Spacelines Mini Guppy is a large, wide-bodied US cargo aircraft used for aerial transport of outsized cargo components. The Mini Guppy is one of the Guppy line of aircraft produced by Aero Spacelines, Inc....
 
Source:
Wikipedia, Aero Spacelines Mini Guppy: http://gstv.us/1GwaYUz
 
YouTube, Exploring the Tillamook Mini Guppy: http://gstv.us/1GwaZYA
 
You may also find the All About Guppies website interesting.
http://www.allaboutguppys.com/
 
Please consider supporting Gazing Skyward TV by using our affiliate links when shopping online and becoming a Patron on Patreon. http://gazingskywardtv.com/support/
 
Photo from: http://gstv.us/1sNtSTa
 
#avgeek #AeroSpacelines #Mini #Guppy #Transport #USA #aviation #history #fb
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One of our B727 freighters with winglets makes another appearance at the maintenance base.

All dressed up, and ready to go.

#avgeek
#aviation
#aircraft
#airplane
#boeing

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Here is a time lapse video of a B767 APB replacement; an example of an identical operation that we are currently doing in one of our hangars for a customer. (Same, except we are doing the version where you leave the horizontal stabilizer in place)

Wish I could take pictures of what we have going here locally. It looks pretty awesome. But this should give you an idea of what it all looks like.

#avgeek
#aviation


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Right now, in one of our hangars: A Boeing 767 is in the middle of having its Aft Pressure Bulkhead (APB) replaced. All due to tailstrike damage.

The short version of the process, is this:

- Remove Vertical stabilizer, and set it aside
- Remove all the fasteners going around the APB mount flange
- Crane the aft unpressurized part of the aft fuselage & horizontal stabs to the
ground
- Remove the APB from the aft fuselage assy you just removed
- Install new APB
- Reinstall everything in reverse order

Sounds easy, no?

Picture is not mine, it is Boeing's, from a different job somewhere. Same operation though. (We aren't allowed to take any pictures of what we are doing here on this particular job)

#avgeek
#aviation
#aircraft

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Escort carrier USS Thetis Bay transporting aircraft to Alameda, California, for repair, 1944.
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This Day in Aviation History
May 18th, 1953
First flight of the Douglas DC-7.
 
The Douglas DC-7 is a transport aircraft built by the Douglas Aircraft Company from 1953 to 1958. It was the last major piston engine-powered transport made by Douglas, being developed shortly after the earliest jet airliner - the de Havilland Comet - entered service and only a few years before the jet-powered Douglas DC-8 first flew.
 
Source
Wikipedia, Douglas DC-7: http://gstv.us/1KZBSDm
 
YouTube, Flying on board Historical Flight Foundation's Eastern Douglas DC-7B (N836D): http://gstv.us/1KZBVPo
 
Please consider supporting Gazing Skyward TV by using our affiliate links when shopping online and becoming a Patron on Patreon. http://gazingskywardtv.com/support/
 
Photo from: http://gstv.us/2rfcllR
 
#avgeek #Douglas #DC7 #airliner #USA #aviation #history #fb
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Stuffed about $30k worth of inspection equipment into the old Geo Metro, and worked through the night last Thursday, out on the ramp.

Equipment blues were getting me down. :(

Usually our equipment works great. Everything just seemed to break on me at once that night.

#aviation
#avgeek
#aviationmaintenance
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I've been busy borescoping lately. Here I'm set up and recording the LE of the 3rd Stage LPT, in a Pratt JT9D-7R4D engine.

I use a lot of copper tubes, bent in certain ways, to help me do the borescopes. One important thing I've learned, is the need to set up things so you can watch the blades "hands free". Just because over the course of multiple 3 - 4 minute stretches of holding the 6 mm scope in just the right place, without letting it move at all; makes for cramped hands, which is distracting to the process of watching for, and evaluating any damage to the blades.

There are kits of custom steel tubes you can buy, for each engine type. But I wouldn't know anything about that.

#avgeek
#aviation
#aircraft

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This Day in Aviation History
May 9th, 1949
First flight of the Republic XF-91 Thunderceptor.
 
The Republic XF-91 Thunderceptor (originally designated XP-91) was a mixed-propulsion prototype interceptor aircraft, developed by Republic Aviation. The aircraft would use a jet engine for most flight, and a cluster of four small rocket engines for added thrust during climb and interception. The design was largely obsolete by the time it was completed due to the rapidly increasing performance of contemporary jet engines, and only two prototypes were built. One of these was the first US fighter to exceed Mach 1 in level flight.
 
A unique feature of the Thunderceptor, which makes it instantly recognizable, is the odd wing planform which has much greater chord at the tips than the root, the opposite of typical swept wing designs. This was an attempt to address the problem of pitch-up, a potentially deadly problem that plagued early high-speed designs. The Thunderceptor's design meant the entire wing stalled smoothly, more like a straight-wing design....
 
Source:
Wikipedia, Republic XF-91 Thunderceptor: http://gstv.us/1JwWQc6
 
Please consider supporting Gazing Skyward TV by using our affiliate links when shopping online and becoming a Patron on Patreon. http://gazingskywardtv.com/support/
 
Photo from: http://gstv.us/1ZrgGgz
 
#avgeek #Republic #XF91 #Thunderceptor #military #experimental #interceptor #USA #aviation #history #fb
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