A circa 1983 illustration of the Bell JVX tiltrotor concept, folded for storage aboard an aircraft carrier. The JVX would be developed into the V-22 Osprey. The differences between this concept and the final vehicle are relatively minor, with the sponsons on the side, shape of the nose and apparently less-lifted tail being the most obvious.
I’m at work on a new series of CAD diagrams (see HERE for the first run) to be released as PDFs formatted for printing at 18X24. For example, here are first drafts of a few:
All of these require a bit more dressing-up, as well as explanatory text. But I think they’re starting to look pretty good.
I’ve selected a fair number more to work on. If any of these are of particular interest, or if any of the many, many diagrams I’ve made over the years would be of interest, let me know.
Interesting:
I looked through a small fraction of my surprisingly vast pile of CAD diagrams for some I thought might look good in really large format. Some I’ve gone some distance towards formatting them that way already; some are still formatted for small sheets. There are more, of course. In no particular order.
Lockheed CL-400 “Suntan”
Lockheed M-21/D-21:
Lockheed A-12:
Lockheed SR-71A:
Lockheed YF-12A:
X-20 Dyna Soar/Titan III:
A number of 10-Meter Orion vehicles/sub-vehicles:
USAF 10-meter Orion:
General Dynamics “Kingfish:”
North American XF-108:
Lockheed A-12 concept w/canards:
Boeing B-47E:
Boeing B-52G:
Boeing B-52H:
Boeing B-52H + Skybolt:
Boeing DB-47E + Bold Orion:
Rockwell Star Raker:
Boeing “Big Onion” SSTO:
Boeing Space Freighter:
NASA Saturn C-8:
Lockheed STAR Clipper:
Back in 2016 I released seven PDFs of CAD diagrams formatted for printing at 24X36 inches (those are shown after the break). This was another product line that didn’t exactly blow up the market, and no further diagrams were released. But now that I have two books of CAD diagrams released, and two more coming (and potentially more after that), I’m considering trying again. The Lockheed CL-400 Suntan, A-11, A-12, SR-71, YF-12, along with several B-47 and B-52 related designs are possible, as well as designs that aren’t from those books (X-20 Dyna Soar, several Orion vehicles, etc.). If this sounds interesting, let me know; if there is something specific you might be interested in, let me know.
A 1970’s Boeing concept for a variable geometry supersonic transport. Once the Boeing 2707 was cancelled in the wake of the oil crisis, any further work on supersonic transports focused heavily on “how do we make this more fuel efficient.” One approach was to go back to variable geometry, which had been dropped from the SST program when the 2707-200 was replaced with the 2707-300. The swing-wing of the -200 worked wonders for the low speed performance of the aircraft, but played hell with cost and weight, enough so that the -300 had a fixed modified delta wing.
The solution shown below linked a few technologies. One concept that showed promise was the “oblique wing,” as tested on the AD-1. A single-piece stricture connected to the fuselage at a single pivot point; much lighter and simpler than a traditional two-pivot swing-wing. With sufficiently rigid structures – think “carbon fiber” – the forward-swept portion could remain reasonably flat even at high speed. But this concept went one step further and linked *two* fuselages to not only a single oblique wing, but also an oblique tail. This would put the “aft” fuselage behind the shock wave shed off the nose of the “forward” fuselage, greatly reducing drag. You’d have the capacity of two SSTs for the operating cost of little more than one. Neat idea… very complex. I’m not sure if it made it much further than preliminary wind tunnel testing.
Full-rez scan uploaded to the 2022-07 APR Extras folder.
I’ve just made the June 2022 rewards available for APR Patrons and Subscribers. This latest package includes:
Large format diagram: “X-15 Access Doors.” A North American Aviation diagram from 1956 showing all the openable panels on the port (left) side of the fuselage
Document: “Harpoon Coastal Defense System:” McDonnell Douglas brochure on a truck-launched anti-ship missile
Document: “Harpoon for Fast Patrol Boats:” McDonnell Douglas brochure on anti-ship missiles for small ships
Document: “Shorts Skyvan:” small brochure about the boxy cargo aircraft
Document: “VTOL Design – Turbojet Configurations” Northrop paper on VTOL fighters, mostly a historical review but with basic layouts for designs up to Mach 3
Document: Turbofan propaganda. A number of brochures and data sheets and such on turbofans and turbojets… PW4000, F100, JT9D-7R4, J57.
CAD diagram ($5 and up): IM-99B BOMARC surface to air missile general arrangement
If you would like to help fund the acquisition and preservation of such things, along with getting high quality scans for yourself, please consider signing on either for the APR Patreon or the APR Monthly Historical Documents Program. Back issues are available for purchase by patrons and subscribers.
The Boeing 733 is *reasonably* well known as the designation for the Supersonic Transport before it got re-designated the 2707. However, Model 733 was sort of a catch-all designation for a long (numerically and temporally) series of designs covering the gamut from giant Mach 2+ SST’s down to bombers, strike aircraft and fighters. The link seems to be that the 733 started off specifically as an SST designation; but other aircraft types were designed using the same aerodynamics. A fighter that was basically a scaled-down SST might be a model 733 (such as the Model 733-605). Shown below is a reasonably commonly reproduced piece of art from the 80’s depicting what is sometimes called the Model 606; it’s actually the Model 733-606. I’ve seen diagrams for a number of aircraft based on this basic geometry; the 733-606-11 and 733-606-12 were strike aircraft. The aircraft below is generally described as an interceptor, sometimes as a supercruise research platform.
The full rez scan of this artwork has been uploaded to the 2022-06 APR Extras folder on Dropbox for APR Patrons and Subscribers.
Have you ever wondered to yourself “what were the Air Force Weapon System Designations as of September, 1959?” Wonder no more:
The following page does not continue the Weapon System list, but goes on to list Air Force ace fighter pilots.
Mike released a video on some of the stranger aircraft designed in the US since World War II. It includes a plethora of full-color concept paintings, including the first color rendering of the McDonnell Douglas ATB that I’ve seen.