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Oct 262020
Oct 252020
An artists impression of the “DC-3” Space Shuttle concept. This was a two-stage system using two manned flyback vehicles with straight wings and turbofan engines. It was intended to be a low-cost approach, disdaining high performance for simple design and – theoretically – easy maintenance. The orbiter here had two jet engines in the nose for landing and flyback range extension; aerodynamic fairing would cover the inlets until after re-entry, jettisoned once the vehicles had decelerated to below Mach 1. The straight wings would be easy to build and low in weight compared to large delta wings, but of course they wouldn’t provide the same amount of lift. Consequently, the orbiter would less “glide” during the initial re-entry than “belly flop.”
I’ve uploaded the full-rez version of that to the APR Dropbox, into the 2020-10 APR Extras folder. This is available to any APR Patron or Subscriber at the $4 level and above.
Oct 202020
Two years ago I released US Transport Projects #8 that had a piece on an SST designed by staff of the NACA for Life magazine. To make the best possible diagram I did the best job I could of scanning and stitching together several pages from a vintage issue of Life. I’ve finally gotten around to uploading the full-rez version of that to the APR Dropbox, into the 2020-10 APR Extras folder. This is available to any APR Patron or Subscriber at the $4 level and above.
The full-size version is six times wider than this one:
If this sort of thing is of interest, sign up either for the APR Patreon or the APR Monthly Historical Documents Program. If you know of someone who might be interested, be sure to nudge them this way… I could do with an infusion of new patrons/subscribers and as is blisteringly obvious I stink at marketing.
Oct 192020
A late-70’s NASA rendering of the solar power satellite. Not exactly shown to scale… the satellite, approximately the size of Manhattan, would actually reside in geosynchronous orbit some 22,000 miles up. But the size of the receiving station, located outside of a probably fictitious city (gotta love the H-shaped skyscraper), seems about right. Such stations, which would approximate fields of chickenwire suspended atop telephone poles, could be located over farms, fields, lakes and ponds. The wire would intercept the incoming microwaves beamed down from the SPS with the same efficiency as the wire mesh in the door of your microwave oven keeps your face from getting fried while you watch your popcorn or soup getting nuked.
Oct 122020
As an update to THIS POST, I have added a 200 dpi scan of the Apollo CSM cutaway artwork I scored off eBay to the 2020-10 APR Extras Dropbox folder, available to all $4 and up APR Patrons and Monthly Historical Documents Program subscribers.
If this sort of thing is of interest, sign up either for the APR Patreon or the APR Monthly Historical Documents Program. If you know of someone who might be interested, be sure to nudge them this way… I could do with an infusion of new patrons/subscribers and as is blisteringly obvious I stink at marketing.
Oct 032020
The “Colossus” was a proposed cargo aircraft from the early 1970’s by the “Turbo Three” corporation. It was to be made from a mix of new parts and old… the nose of a C-97, the wings of the Turbo Three “Virtus,” an even bigger plane designed to carry the Space Shuttle. I have made the full-rez of the art below, along with a 600-dpi scan of the three-view that went with it, available to above-$10 Patron/subscribers.
If this sort of thing is of interest, sign up either for the APR Patreon or the APR Monthly Historical Documents Program.
Sep 272020
A magazine ad from 1967 looking for people wanting to hire on with Sikorsky. The ad shows a stowed-rotor helicopter design for the CARA (Combat Aircrew Recovery Aircraft) role. In the midst of the Viet Nam War, US pilots were being shot down over enemy occupied territory and needed rescue. A helicopter was a perfectly serviceable vehicle for that role… it could hover over the jungle and drop a line down through the canopy that the pilot could latch on to and be pulled up and flown away. The problem was that choppers are relatively slow. You’d much rather get to the ASAP before enemy forces could find them. A stowed-rotor design could theoretically fly at airplane speeds and hover like a helicopter. But as with all hybrid vehicles, being capable of two things means you’re great at neither.
Additional art of this design:
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Sep 272020
Sep 232020
Recently sold on eBay (but not to me, I got beat out) was a piece of concept art of the “Colossal Guppy,” a proposal by Aero Spacelines to convert a B-52 into a Saturn S-II carrier. All of the artwork I’ve seen before has shown a 12-engine design; this eBay art shows only the original 8 engines that were fitted to the B-52. I would assume that this is an earlier iteration of the concept, but can’t say for certain.
Sep 192020
With the recent news of the possible discovery of the signs of possible life in the upper atmosphere of Venus, there is renewed interest in some quarters in the idea of atmospheric probes to sample the air and clouds directly. The most practical way to do this in something resembling a long term is with a balloon. With Venus’ carbon dioxide atmosphere, something usually useless as a lifting gas like nitrogen or oxygen could be used, but hydrogen or helium would work even better there than above Earth.
Such probes have been proposed for a *long* time. Here is art of Martin Marietta design for a Venus balloon from more than fifty years ago.
Martin studied a Buoyant Venus Station as far back as 1967. Included in the study were the instruments to be carried, including “drop sondes,” expendable instrument packages that would be dropped from the station to radio back data from lower down:
