Papers & Websites

Design, Build, and Test Small Liquid Rocket Engines
http://www.gramlich.net/projects/rocket/
Copyright 1967 by Leroy J. Krzycki 
 

Combustibles Burning in Changing Pressures  - Why ejection charges don't want to function in a vacuum
A dP/dt Failure Monograph by Bill Colburn

Hypergolic Propellants From The Ft. Bliss Debriefing Of German Scientists
"Operation Paperclip"
A compilation of secret World War Two rocket propellants 

Thiokol Rocket Basics
a great .pdf about the history of rocket motors and their basic design

1949 Civil Air Patrol Cadet Program
Manual on rockets from the Civil Air Patrol and it has a great schematic diagram of the V2 Rocket, 4 meg .pdf file

Redstone Arsenal 
Propellant Mixing and Handling Protocols
MANUFACTURE OF CASTABLE COMPOSITE PROPELLANT ROCKET MOTORS, Chapter 24  Thanks to Hans Olaf Toft!

The Carbon Resistor Igniter
A white paper by the late Bob Dahlquist  

Jacob's Rocketry - BP Motors
http://www.jacobsrocketry.com/1979_manual/pages/cover_title_and_contents.htm

Instructions

Grove Mity-Mite Setting Instructions
Try finding this anywhere else on the Net! 

Automatic Acceleration Actuated Tracking Smoke/Flare
How to use smoke candles to track your rocket 

Load Cell Trouble Shooting
Figger out what's the matter with that pesky load cell

Load Cell Primer
Why they work and how to set them up

Pressure Transducer Primer
Why they work and how to set them up

Tank Tips - cleaning, hydrotesting, sealing and compatibility
How to get the most from your buck when buying used tanks

Hybrid Motor Tips
Important stuff from Bill Colburn, the master

Making Fiberglass Tubes - by Tom Cloud
How to roll your own for fun and profit

How to Dye your parachute

Assorted

Arrangement for an L Class Hybrid Motor
Using a simple DOT rated tank, motor, and U/C Valve system 

High Mass-Fraction Hybrid Propulsion Systems for Sounding Rockets
A simple stainless steel hybrid motor with roll-crimped closures 

Nitrous Oxide Properties
Pressure, Density, and Mass Flow of N2O, 60k jpg image

Urbanski-Colburn Valve for Hybrid Motors
This is where the RATTWorks motor was born 

Glossary of Rocket Terms

Guipep - Graphical User Interface to PEP

GDL-Propep

Propep and more

Calculators

Ejection Charge Calculator- for MS Excel

Black Powder Ejection Charges
A table to determine the correct amount of BP for your application

Round Parachute Descent Rate Calculator
A Javascript that does the calculations for you

X-form Parachute Calculator
How to calculate how fast your rocket will descend under an X-form parachute (Excel spreadsheet)

Parachute Drag Equations
How to calculate how fast your rocket will descend under chute

Tank Calculator
Calculate the volume of your cylindrical tank

Testing your Altimeter
An easy cheap way to pull a vacuum on your barometric sensor

Gizmos

Various Rocket Gizmos 1
All kinds of interesting stuff 

Various Rocket Gizmos 2
More Interesting Stuff

Cautionary Tales

Exploding Ratt Movie
Why you don't test your hybrid in your garage 
- 1.1 MB wmv file

Cletus and Delmar Score a Dewar
How LOX can kill you, your pals, and friends a mile away
- 660k PowerPoint file

Explosive Injuries
What happens when you blow yourself up
- an assortment of graphic images not for the faint of heart