Tag Archives: hypersonic

For All You Hypersonic Glider Builders

Posted on Fri, 2009-09-11 by gravityloss

If you use a fifties shape, active roll damping is a really good idea at subsonic speeds at least. Old NASA video of some wind tunnel flying models. (via Secret Projects forum)

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Hydrocarbon Scramjet Already Flown

Posted on Tue, 2009-08-11 by gravityloss

By ATK in 2005. Shows how little I know. EDIT: Spaceref had the details, Mach 5.5. (Scramjets are still not a space application.)

Posted in airplane, engines, industry, NASA, RLV:s, Suborbital | Tagged , , , | Leave a comment

Optimum Rocket Cruise

Posted on Fri, 2009-03-20 by gravityloss

With some caveats. 🙂 Let’s assume a rocket is launched, and accelerates to constant speed v_c. Then it stays cruising at this speed and at a constant altitude. Landing is disregarded. The cruise We must modify the rocket equation slightly … Continue reading →

Posted in Architecture, Demotivation, Humor, Motivation, RLV:s, Science Links, Spacecraft, Suborbital, Transportation, Uncategorized | Tagged , , , | 2 Comments

High Speed Propulsion Overview

Posted on Mon, 2008-04-14 by gravityloss

I’ve been long meaning to do this. There are a huge amount of propulsion concepts and terms floating around so this is my small part of trying to clear up and order this corner of the internet. Namely, high speed … Continue reading →

Posted in RLV:s, Uncategorized | Tagged , , , , , , , , , | 1 Comment

Hypersonic Cruise for the V Prize

Posted on Wed, 2008-01-23 by gravityloss

The Virginia Spaceport at Wallops (east coast of USA, south from New York) advocates want to create a prize to foster use for the spaceport, and have floated an idea of a “one hour to Europe” style prize, the V … Continue reading →

Posted in Models, RLV:s, Uncategorized | Tagged , , , , , , , | 20 Comments