Rocketry Groups

The Amateur Rocketry Links Library - Motor
SPL Swiss Propulsion Laboratory
Flometrics Fluid Dynamics and Thermodynamics Engineering
Experimental Rocket Propulsion Society
Armadillo Aerospace
Rocketry.Org - Cool Links
Rocketry Online!
a Rocket Science Resource for Experimental Rocketeers
The Amateur Rocketry Links Library - Payload
The Amateur Rocketry Links Library - Motor
HobbySpace - Rocketry


Meriam Instrument Home
High Temperature Ceramic Gasket Maker & Potting Agent
Aerospace Lubricants, Inc. - Tribolube
Scientific Cutting Tools :: The Cutting Edge
Cold Finished Rounds, Strip Steel, Flat Wire, Tin Plate, Bar Steel, Spring Steel, Steel Tubing Sheet Steel, Stainless Steel
CRYOFAB Portable Dewars CL Series
Technifab Products Inc, manufacture cryogenic equipment, vacuum insulated pipe, dewar, asme, nitrogen, helium, transfer hose, LN2
PV Series
CADQuest Home Page. CADquest provides Pro/ENGINEER training, consulting, and publishes textbooks.
Aluminum Cylinders
Goddard Valve Corporation Home Page
Seals, gaskets, o-rings, teflon, mechanical seals, grafoil - SealSales
Sterling Plastics O-RING FACTS...
Welcome to American High Performance Seals
Aerocon Systems
Low Cost Gage Pressure Transducers (Model LM)in stock at Sensotec
Dwyer Instruments Inc. - Pressure: Table of Contents
Welcome to Druck Incorporated - USA
Rittenhouse | Brass Relief Valve 6815
Relief Valves
Liquid Nitrogen Level Control
OnlineMetals - Small Quantities Specialist - Online Metal Cutting and online metal ordering
American Bolt Co. Inc. - Nuts, Bolts, Screws, Washers, Fasteners, US Standard, Metric, Tools, Titanium, Stainless Steel, Rivets, Cable Ties, Export, Electronic, Aerospace, Industrial, Automotive, Austin, Texas,
OSECO: Superior Pressure Relief Services
Harris Regulators - The Premier Machine Tool Web Site for New and Used Machine Tools, Accessories, Tooling, Cutting Tools and Forklifts
Air Products Specialty Gas & Equipment Catalog: Gas Handling Equipment -- General-Purpose Regulators
Buy O-Rings Online. Kalrez o-rings, Viton orings, Metric oring, Parker o-ring, custom o ring, Inventory, Great Prices, Expert Service. chemraz, epdm, silicone, fluorosilicone, neoprene, buna, teflon. Huge
OMS Valves & Manifolds


Ball Valve Controllers
chapter 4
Case Study - Precise Control of Force - Robotic Industries Association
Solderless Igniters
Rings (continued): Strain Gage Based Transducers
NASA Technical Report Server (NTRS), v 2.0
Rocketworkbench Project

Shop Techniques

The Brazing Book

Space Stuff

Human Space Flight (HSF) - Realtime Data
NASA Mission Patches

Mechanical Engineering

Torque Chart & Design
Bolt Science - Home Page
Engineering at Boeing - Services, Resources & Expertise
Structural Analysis Reference Library, On-Line
DANotes: Threaded fasteners: Fluid pressurized joints
Virtual Engineering, Inc.
Unified Threadforms Help
Dwight D.I.C., Inc. Calibration Lab, Lyndhurst, New Jersey