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Index
Make: Rockets Preface
Conventions Used in This Book Safari® Books Online How to Contact Us Acknowledgments Photo Credits
1. Let’s Fly Some Rockets!
Shopping List The Match Head Rocket Balloon Rockets
Rocket Stability Building the Balloon Rocket
Air Rockets
2. Model Rocketry Today
The Five Faces of Hobby Rockets Solid Propellant Rocket Motors
Some Common Motor Sizes Reading Motor Labels Storage and Disposal Low-Power Model Rockets Mid-Power Rocketry High-Power Rockets and Beyond Water Rockets Air Rockets
A Typical Model Rocket and Its Flight Let’s Get Started!
3. Juno: A Solid Propellant Rocket
Parts and Tools
Where to Buy Parts A Detailed Walk-Through of the Parts List
Body tubes Nose cones Screw eyes Fins Centering rings Engine hook Launch lug Shock cord Parachute Snap swivel
A Detailed Walk-Through of the Tools and Supplies
Hobby knife Cutting boards Glue Sandpaper Sanding block Wood primer Paint Paper Pencil Wax paper Metal-edge ruler Tape
Building the Rocket
Cutting Body Tubes Marking the Body Tube for Fins Motor Mount Construction Cutting Fins Gluing the Fins Attaching the Launch Lug Installing the Motor Mount Shock Cord Installation Making a Parachute Attaching the Parachute and Shock Cord Before You Paint Painting the Rocket
Options
Alternate Fin Shapes
4. Launch Pads
What Makes a Good Launcher? A Quick Lesson in Igniters The Mono Launcher
Building the Base Cutting the Metal Pieces Building the Tilt Mechanism Safety Cap Final Assembly Blast Deflector Plates
The Estes blast deflector plate A steel plate from the hardware store The tin can deflector
Launch Rods
The Mono Launch Controller
How the Circuit Works
The basics of launch circuit design Electrical characteristics of some common igniters Resistance in the launch controller Clusters of rockets Summing it all up: Analysis of the mono launch controller
Building the Mono Launch Controller
Building the launch box Building the launch cable Building the arming key Building the 12-volt wiring harness
The Quad Launch Pad
Launch Rods and Blast Deflectors
The Quad Launch Controller
Building the Launch Box Building the Launch Wire Harness The Arming Key Testing the Launch Controller
5. Flight Operations
Picking a Launch Site Packing for the Launch Range Operations
NAR Safety Code The Roles of the RSO, LCO, Flier, and Spectator Fire Prevention
Site Setup
Mono Launcher Quad Launcher Operations
Preparing the Rocket
Installing the Motor Recovery Wadding Packing the Parachute Installing the Igniter Flight Preparation Checklist
The Launch Recovery
6. Compressed Air Rockets
Building an Air Rocket Launcher Building Ballistic Air Rockets Flying Air Rockets
7. Rocket Stability
What Is Stability? Experimenting with Stability Checking Stability with the String Method Checking Stability Experimentally
Finding the Center of Gravity Experimentally Finding the Center of Pressure Experimentally Checking Stability with a Rocket Simulator
Checking Stability with Math
Finding the Center of Gravity with Math Finding the Center of Pressure with Math
Further Reading
8. How High Did It Go?
The Single-Axis Tracker
Building a Single-Axis Tracker Math Behind Single-Axis Trackers Using a Single-Axis Tracker Altitude Tables for Single-Axis Trackers
Dual-Axis Tracking
Building a Theodolite
Cutting the parts First steps in assembly Finishing Installing the protractors Final assembly
Math Behind Dual-Axis Tracking
The vertical midpoint method The geodesic method
Using Dual-Axis Trackers
Using more than two theodolites
Program for Dual-Axis Trackers
Altimeters Comparing the Methods
9. Payloads
Liftoff Weight
Using Charts to Find the Proper Motor Picking a Delay Time Using Math to Cheat Mother Nature
Juno Payload Conversion
Construction Flying the Juno Payload Conversion with an Altimeter
The Ceres Payload Rocket The Ceres A Booster
Construction Flying the Ceres A
The Ceres B Booster
Construction Flying the Ceres B
The Thin Man and ICU Payload Bays
Construction of the Thin Man and ICU Payload Bays Flight Preparation
The Fat Man Payload Bay
Construction Flight Preparation
The Over Easy Payload Bay
Over Easy Construction Flight Preparation
The ICU2 Payload Bay
Construction Flight Preparation for the ICU2
10. Selecting Parachutes and Streamers
How Fast Should a Rocket Fall? Streamers Versus Parachutes Streamer Design Thoughts on Parachute Material Parachute Selection Tables Parachute Physics
The Energy of a Falling Body Parachute Aerodynamics
Example: Find the speed of descent for a rocket Example: Find the proper parachute for a duration event Example: Find the coefficient of drag for a streamer rocket
11. Water Rockets
The Launcher
Building the Launch Tube Building the Lower Pressure Tube Building the Launcher Base Building the Launch Release Mechanism Adding the Pressurization Tube Adding the Launch Cord
Themis: A Ballistic Water Rocket Flying Water Rockets
12. Parachute Recovery of a Water Rocket
Building the Water Rocket Parachute System
Installing the ServoChron Software on the LaunchPad Microcontroller Building the Electronic Timer Building the Framework for the Parachute Chamber Building the Parachute Bay Adding the Spring and Electronics to the Parachute Chamber Programming the Servo Position and Delay Time Finishing Touches
Flying Themis with a Parachute
13. Subsonic Aerodynamics
Reynolds Number and Viscosity Mach Number High Reynolds Number Drag Kind of a Drag: The Three Types of Drag The Importance of Streamlining Understanding and Reducing Drag on a Model Rocket
Nose Cones
Conical nose cone Ogive nose cone Elliptical nose cone Parabolic series nose cone Power series nose cone Haack series nose cone Selecting a high-performance nose cone
Body Tube Base Fins Launch Lugs Putting It All Together
Example: The Coefficient of Drag for Juno Further Reading
14. How High Will It Go?
Predicting Altitude Using Physics Predicting Altitude with a Rocket Simulator
Rocket Finish Launch Conditions Rocket Mass
Comparing Simulators to Flight Data
15. Minimum-Diameter Rockets
Hebe: Skinny Rockets Fly Faster and Higher
Construction Recovery High-Performance Finishes Flying Hebe
16. Mini-Rockets
Toutatis: The Powerful Midget Rocket
Construction Flying Toutatis
Eros: A Small Rocket That Flies High
Construction Flying Eros
17. Multistage Rockets
The Two-Stage Romulus
How Staging Works Construction Flying Romulus
18. Cluster Rockets
Things to Consider When Clustering Rockets
Why Cluster Rockets? Picking the Right Number of Motors Configuration of Clustered Motors Staging Cluster Rockets
The Three-Motor Cerberus
Construction
Cutting the parts Custom tube transitions Motor compartment assembly Nose assembly Fin assembly Final assembly Finishing
Flying Cerberus
The Ceres C Booster
Construction Flying the Ceres C
19. Helicopter Recovery
Nicomachus
Construction Flying Nicomachus
20. Rocket and Boost Gliders
Rocket-Powered Aircraft Icarus
Construction
Cutting the parts Building the glider Building the pop pod Finishing
Flying Icarus
Balancing the glider Flight preparation
More About Rocket Gliders
Further Reading
21. Air Rocket Glider
Daedalus
Construction
Cutting the parts Building the wing root Building the tail section Finishing The wing holder
Flying Daedalus
Balancing the glider Powered flight
22. Rocket Clubs and Contests
National Association of Rocketry (NAR)
The Pink Book National Association of Rocketry Annual Meet (NARAM) National Sport Launch World Space Modelling Championships (WSMC)
Tripoli Rocketry Association (TRA)
Large and Dangerous Rocket Ships (LDRS) Badd Ass Load Lifting Suckers (BALLS)
Local Clubs Canadian Association of Rocketry (CAR) Team America Rocketry Challenge (TARC)
23. Onward and Upward
Reloadable Motors
Building the Aerotech RMS 24-40 Motor Attaching Igniter Clips to a Copperhead Igniter Cleaning the Motor
Designing Your Own Rockets
Collecting the Requirements Initial Design Simulating the Rocket Construction Flight Testing
Odd Rockets The Outer Limits
A. Programs from the Book
Juno Simulation SRockS Theodolite
B. Places to Buy Stuff or Find Information
Model Rocket Parts and Supplies
Aerotech Consumer Aerospace Altus Metrum Apogee Components Art Applewhite Rockets Balsa Machining Service Custom Rocket Company Estes Industries FlisKits, Inc. Hobby Lobby JonRocket.com Maker Shed Micro Center Rocketarium Quest Aerospace Stomp Rocket
Clubs and Information Websites
AirRocketWorks Author’s Website Elprotronic OpenRocket Rocket Reviews The Rocketry Forum ThrustCurve.org US Water Rockets
Electronics Parts and Supplies
Digi-Key Jameco Electronics Mouser Electronics Newark element14 Radio Shack SparkFun
General Supplies and Hardware
Ace Hardware Amazon Bolt Depot Home Depot Lasco Lowe’s Jo-Ann Fabric Store National Balsa OnlineMetals.com SIG Mfg. Co.
C. The Projects in This Book
The Rockets
Air Rockets Balloon Rockets Cerberus Ceres Compressed Air Rockets Daedalus Eros Hebe Icarus Juno Juno Payload Conversion Match Head Rockets Nicomachus Romulus Themis Toutatis
The Launch Pads
Compressed Air Rocket Launcher The Mono Launcher The Quad Launcher The Water Rocket Launcher
Trackers
Single-Axis Tracker Theodolite
Science and Math
Aerodynamics Computer Science Electrical Engineering Mathematics Rocket Motors
D. The NAR Model Rocket Safety Code Glossary Index About the Author Colophon Copyright
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