March 2019 – Aerospace Projects Review Blog

Nuclear-electric spacecraft

Mar 302019

A Pratt & Whitney magazine ad from 1964 illustrating a spacecraft using a nuclear powerplant. This seems to depict only the actual powerplant, rather than an integrated vehicle. Some details of note are the large thermal radiators and the nuclear shielding. The reactor itself is the structure on the near end of the boom. Flanking it are two someone oddly shaped boxes; these are radiation “shadow shields” seeming placed and shaped to keep radiation from the reactor from impinging upon the radiators. The conical structure just beyond the reactor is another radiation shield , designed to shadow the main structure.

This appears to not be a painting, but a physical model… one seemingly made from metal. Accuracy is perhaps not 100%.

Lockheed L-2000 SST mockup photos

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Mar 222019

Last year a number of photos of the Lockheed L-2000 SST concept were sold on eBay. I didn’t get them, but the auctions came complete with some decent (not great) resolution scans of the photos. I have uploaded seven photos to the 2019-03 APR Extras Dropbox folder, available to $4 and up subscribers to the APR Monthly Historical Documents Program.

Boeing IMIS, 1968

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Mar 192019

Artwork of the Boeing Integrated Manned Interplanetary Spacecraft, circa 1968. This is the best known of the numerous manned Mars spacecraft designed over the last half century, and is often directly associated with Werner von Braun as he would go on to try to get congress and NASA to forge ahead with the program. Obviously he was not successful. Aspects of this spacecraft design were illustrated in great detail in US Spacecraft Projects #03 and USSP #04

I’ve seen this piece of art many times over the years, always in pretty poor resolution; I finally found a good-rez version on eBay a while back. I’ve made the full-rez scan available to above-$10-subscribers to the APR Monthly Historical Documents Program/Patreon. Clearly the original painting must have been done in color, but I do not think I’ve ever seen this image reproduced in color. I suspect that about ten seconds after I keel over someone will put on eBay a 24X26 full-color pristine lithograph with a buy-it-now price of five bucks. So keep an eye out for that: you see it, I’m like as not deadern’ disco.

If this sort of thing is of interest, consider subscribing. Even a buck a month will help out; but the more you subscribe for, the more you get… and the more you help me get from eBay and save for the ages.

Atlas RVs

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Mar 142019

A couple vintage (1960) magazine photos showing the Mk2/3 and Mk IV warheads used on the AtlasSM-65 ICBMs.

F-1 rocket engine insulation

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Mar 072019

This subject has been mentioned on this blog before (way back in 2008, 2012, and 2013), but here’s a brand-new video covering the subject of the inconel foil insulation that protected the F-1 engines on the Saturn V when they flew. This insulation was rarely seen by the public and made the engines look entirely different from what people were used to, because the insulation was something of a last-minute addition to help counter some severe heating cause by exhaust gas recirculation as well as direct thermal radiation roasting of the central engine.

Plexiglas Space Shuttle

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Mar 072019

A video where some guys get into the archives of the US Space & Rocket Center in Huntsville, Alabama. On display is a sizable (looks like about 1/50 scale) Space Shuttle, ET and Boosters made from plexiglas. It is a thing of beauty, surely a chore and a half for the model shop back in the day. This is *not* the final Shuttle design; some differences are obvious such as the split cargo bay doors and, while unmentioned in the video, the existence of extended OMS pod fairings, reaching out onto the aft of the cargo bay doors.

Last time I visited the USS&RC in something like 2005 they had a much bigger plexiglas STS model on public display, something like 1/10 scale, along with a gigantic plexiglas Saturn V. Such things are fantastic artifacts, and if you are working on a complex engineering project like this a see-through plexiglass large scale model is terribly helpful. I suspect that such things are only rarely made these days, as computer graphics are a lot easier, cheaper and more readily updatable. But nothing beats a Real Thing. And at least so far, 3D printing is not up to the job of stamping out large-scale transparent models like this. But someday…