# The Hyperion Sled (DD-355)

> Philip Bono, an engineer at Douglas Aircraft, proposed Hyperion in the 1960s as a reusable single-stage launcher. It would ride a rocket-powered sled along a long track to gain speed horizontally, saving propellant before climbing to orbit. It was never built. The footage shows rocket sled tests and an animation of a launch.

- Department: Space (also Tech)
- First published: 2024-10-27
- Last updated: 2024-10-27
- Permalink: https://detailenjoyer.com/case/the-hyperion-sled/
- Author: Marcus Easterling (DetailEnjoyer), The Detail Department

## Quick facts

- **DD-355-F01**: Philip Bono proposed it. _(Write-up · Exhibit A (Designer))_
- **DD-355-F02**: 1960s. _(Write-up · Exhibit B (Era))_

## Write-up

In the 1960s, engineer Philip Bono proposed launching a rocket from a sled. The sled would give the rocket speed before it fired its own engines.

1. **Designer**: Philip Bono proposed it.
2. **Era**: 1960s.
3. **Sled**: A rocket sled gave initial speed.
4. **Fuel**: It aimed to save propellant.
5. **Status**: It was never built.

## Reel vs. record

- **Note**: None needed.

## Video: The Hyperion Sled: In the 1960s, Engineer Philip Bono Proposed Launching a Rocket From a Sled

- Duration: 25.7 s · Published: 2024-10-27
- File: https://detailenjoyer.com/assets/videos/DBpQSpyJ_vD.mp4

### Transcript

Philip Bono's Hyperion rocket sled from the 1960s was an ambitious concept designed to revolutionize space travel. The idea was to use a massive rocket sled to launch spacecraft horizontally at high speeds, reducing the amount of fuel needed for vertical lift offs. This sled, powered by rocket engines and running along a track, would accelerate a spacecraft to extreme velocities before it launched into orbit. The Hyperion rocket sled was an early step toward innovative space transportation ideas. NOW YOU KNOW!

## Questions & answers

**Q: Who proposed Hyperion?**  
A: Douglas engineer. _(Source: Write-up · Exhibit A (Designer) · Wikipedia: Philip Bono)_

**Q: When?**  
A: Space race. _(Source: Write-up · Exhibit B (Era) · Wikipedia: Philip Bono)_

**Q: How would it start?**  
A: Track. _(Source: Write-up · Exhibit C (Sled) · Wikipedia: Philip Bono)_

**Q: Why the sled?**  
A: Free speed. _(Source: Write-up · Exhibit D (Fuel) · Wikipedia: Philip Bono)_

**Q: Was it built?**  
A: Concept. _(Source: Write-up · Exhibit E (Status) · Wikipedia: Philip Bono)_

## Sources

- [Wikipedia: Philip Bono](https://en.wikipedia.org/wiki/Philip_Bono)

## Cite this case file

Easterling, Marcus. "The Hyperion Sled." The Detail Department (DetailEnjoyer), case file DD-355, last updated Oct 27, 2024. https://detailenjoyer.com/case/the-hyperion-sled/