You’ve got a month and a bit to respond to Darpa RFP BAA09-06 re proposals for a flying submarine, or as they’re calling it, a Submersible Aircraft. Deets & specs are here. We don’t think it’s doable, but what do we know anyway?
NASA is currently undergoing an existential crisis and struggling to find the way forward. NASA’s in-house event-planning-planning panel, the turgidly-named Review of U.S. Human Space Flight Plans Committee, is to report back to President Obama by the end of August with some ideas.
According to the New York Times and the Houston Chronicle, options being considered include retire/continue with the Space Shuttle, extend fuding for the International Space Station beyond 2016 or de-orbit the thing, establish a permanent base on the moon or skip the moon and go to Mars, use humans for space exploration or robots or both, stick to near-earth or the inner planets or go further afield, proceed with the new Orion spacecraft and Ares rockets or switch to a more evolutionary Shuttle Derived Heavy Lift Launch Vehicle or revive the Saturn V…the full list contains 3000+ items .
Chairman Norman Augustine and RUSHSFPC, as the committee acronymizes to, have narrowed the options and grouped them into seven main scenarios as per space.com:
NASA Baseline Plan
Space Station Focused
Dash Out of Low Earth Orbit
More Directly-Shuttle Derived System
Deep Space
Lunar Global
Mars Direct
The NASA Baseline Plan approach is the least expensive, keeps to near-earth missions, involves no new initiatives and depends on foreign partners. Mars Direct is the most expensive scenario as it involves a permanent base on Mars.
Complementing the lack of direction and complicating the picture is the lack of funds. The federal deficit will be $1.8 trillion for 2009, and the NASA budget is currently at an all-time low of 0.52% of the federal budget. And, public support for the space program has been only lukewarm over the years, as evidenced by continued calls by some to divert NASA funding to social programs.
Our 2¢ worth of advice continues to be: sell the ISS and go to Mars. However, more fiscally-responsible parties will no doubt prevail, and urge that NASA keep flying the Shuttle, continue the ISS and keep doing flybys with the occasional lander.
MythBusters debunks all those theories about the Apollo 11, 12, 14, 15, 16 and 17 NASA manned lunar landings being faked. Their Aug 27 2008 show entitled Moon Landing Hoax Hour examined the flapping flag, footprints, shadows, wonky moonwalking in 1/6 gravity and so on. They declare the myth to be Busted, with their strongest evidence being the laser light returned by the retroreflectors left on the moon by Apollo 11, 14 and 15.
Wired Magazine throws cold water on the notion that we’ll ever get to the stars. Why? … it’s too expensive & takes too long with conventional propulsion. And with exotic but plausible drives like Daedalus, the engineering isn’t there yet. And then there’s alternative & breakthrough propulsion systems that have the problem of being fictional, er, we mean to say that the physics isn’t there yet.
But for those who enjoy a challenge such as working on hypothetical interstellar space drives (propulsion without propellant), here’s a handy summary of what NASA has considered thus far…the chart is from document NASA/TM—2004-213406 entitled Breakthrough Propulsion Physics Project: Project Management Methods:
…and at the moment NASA’s no. 1 candidate for achieving exotic propulsion seems to be the dark matter drive which proposes to use presumably ubiquitous dark matter as a source of reaction mass.
The Rocket Racing League finally seems to be taking off. Originally inspired by the fictional Star Wars pod racers, and after about two-and-a-half years of work, the 1st Exhibition Race of the Rocket Racing League will take place August 1-2 2008 in Oshkosh, Wisconson. The X-Racer, as the plane is called, is a single-pilot craft with 1,500 pound of thrust and a top speed in excess of 280 knots.
The race planes will be powered by 2 engine types. The XCOR engine uses liquid oxygen and kerosene as propellants, whereas the Armadillo engine uses alcohol instead of kerosene. These things are not mouth-breathers, carry their own oxidizer and so can only aloft for about 14 minutes: 4 minutes powered + 10 gliding, before landing to refuel.
The RRL sez they expect 700,000 people to be in attendance Aug 1-2 … sounds optimistic.