How-to help and guides

The basics
Sheldon Brown's famous web pages on bikes

Welding and brazing
welding
zinc_dangers

Building steel frames
Andrew Stewart's frame building photos 03-27-2004

Other materials
acrylic_bending
composites
Damon Rinard's Carbon Fibre Q&A
Mr. Volk's Coroplast Craziness Page

Design issues
drag_bibliography
crankset_height
hub_gearing
intermediate_freewheel
moulton_conversion
fairings_rear
brakes_drum
brakes_self_energizing
trike_braking
stub-axle_brakes
spokes
suspension
toothed_belts

Advanced Aerodynamics
Princeton University web page on Aerodynamics of Bicycles

Plans
Rick Horowitz's "THUNDERBOLT" trike plans

Software tools
CAD Drawings of 'bents and bike parts

Spreadsheets and programs to aid in the design and testing of human-powered vehicles.
Sanders, Snyder & Tetz set of Useful bike specific tools in spreadsheet format
Giles Puckett's sprocket patterns - Make your own  Really Big Chainrings.

Projects on the IHPVA site
Don Boose builds an EconBent
Timothy Smith's Recumbent Cycle Component Design & Construction
Timothy Smith's pages - pages here with details on many projects.
Izzy Urieli's Grasshopper

Projects Elsewhere
WISIL HPVers Projects page - If you want to build a streamliner, go here first!
Wolfgang Bion's Home Page - Many homebuilder tips. Construction of a full fairing.
Geoffrey Bird's Velodynamics page
Jim Gallant's SPRUNG recumbent
Damon Rinard's Bike Tech Archived but lots of good information
How I Made A Carbon Fiber/Epoxy Composite Bike In My Garage
Steve's Recumbent Home Page articles on recumbent projects and links to other places.
Steve's Recumbent Bicycle Project building with organo-cellulose composites. (that's WOOD)
Dan Speas cable driven bike (patented)
Bob Stuart's Car-Cycle X-4, a velomobile
Erik Wannee's variations on a FlevoBike