Questions tagged [sub-orbital]

Questions involving trajectories that reach space but do not attain orbit.

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11
votes
3answers
2k views

What distinguishes a sounding rocket from a suborbital flight?

What are the differences between a sounding rocket and a suborbital flight? Sounding rockets have long been used for science purposes. Some of them have trajectories elliptic enough to do ...
3
votes
1answer
616 views

Why did HARP make projectiles in the rocket shape?

HARP fired projectiles from a gun into suborbital trajectories. This type of projectile carried a scientific payload, but did not have any reaction engines (although later proposals did). Their ...
4
votes
2answers
881 views

Could any existing gun reach the Karman Line?

There's a running Kickstarter to build a HARP-like gun that is multi-chambered and can fire a payload into "space". I don't see where this person's criteria for space is, except for the fact that it'...
5
votes
0answers
183 views

Economical Suborbital Trajectory Analysis Software

Got my two LR-101's, found some reasonably sized surplus LOX/RP-1 and pressurization tanks, found plans for fabricating valves, designed my vehicle, made an excel based back of the envelope sizing ...
9
votes
3answers
2k views

Would a point-to-point suborbital spaceflight have a "negative" perigee?

SpaceShip Three could be a point-to-point transportation method between two locations on Earth. The types of routes being seriously considered include: As of 2008, the SpaceShipThree concept ...
21
votes
2answers
23k views

Could I build my own spaceship?

We all know that for most people access to space is currently pretty limited because space flight services are expensive, as they are in short supply. Suppose I wanted to bypass an expensive service ...
11
votes
2answers
1k views

Would an ionocraft have better or worse performance in the upper atmosphere?

The ionocraft produces lift by accelerating ions in the air downward by the use of two meshes held at a large relative voltage difference. With a cursory look at the physical principle, it seems like ...

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