eHelp Hang Gliding Harnesses

Preflight

• In the Beginning…
  • What?
    • Resources
  • Why?
    • Goals
    • Danger Will Robinson
  • Who?
    • If you see your photo/text
  • Somewhere, “Over the Rainbow”
• Eharness Examples
  • Working build database
  • Eharness videos
  • Commercial e-harness systems
• Specing out a System
  • Decision path
    • Top considerations
  • Calculator: Kilowatts to goal
    • Method 1: Focus on efficiency
    • Method 2: Focus on lift and drag
  • Calculator: Battery volts & amps
  • Calculator: Prop diameter and pitch
  • Calculator: Prop tip speed
  • Putting it all together

Climbing Out

• Batteries
  • Battery considerations
    • Type
    • Size
    • Weight
    • Price
  • Battery calculators
    • System design
    • Price vs energy density
  • DIY battery packs
  • Worthwhile reading
• Electronic Speed Controller
  • Choosing an ESC
    • Sizing
    • Features
    • Location
    • Wiring
  • List of ESCs
  • Throttle
    • Throttle-power disconnect
    • Vendor examples
  • Reading telemetry data
  • Worthwhile reads
  • Notes, todo, not reviewed
• Motors
  • Motor specification wrestling
  • Motor database
  • Motor spec reality check
    • Duty cycle-max continuous power
    • KV reduction
  • Custom motors
  • Sensored versus sensorless
  • Mating with a prop
  • Worthwhile reading
    • Basics
    • Vendor specific info
• Propellers
  • Prop database
  • Getting started
  • Choosing a propeller
    • Diameter
    • Pitch
    • Number of blades
  • Propeller calculators
  • Folding props DIY and resources
    • Commercial
    • Folding prop hubs
    • DIY
  • Propeller innovation
    • Variable pitch
    • Contra-rotating prop:
  • Vendors
• Structural-Mechanical
  • Boom
  • Boom to boom hinge connection
  • Backplate connection
  • Motor mount
  • Battery mounts
  • Kickstand
  • Safety features
  • Part suppliers
    • Wheels
    • Hang glider hardware
    • General suppliers
    • Carbon fiber
    • Aluminum
    • Aircraft parts
    • Tubing
    • Couplers
• Instrumentation and Wiring
  • ESC telemetry
    • Example use case: Nikita
    • Example use case: CA
    • Example use case: OpenPPG
    • ESC wiring
  • BMS telemetry
    • BMS wiring

Scattered Cumies

• Ideas and Experiments
  • Prone launch configurations
  • Sustainers
  • Seated
  • Trike-ish
  • From Paraglider-land
• Safety Checklist
  • Battery
  • Electrical
  • Mechanical
  • Glider handling
    • Turbulence sensors
• Reference Library
  • Technical deep dives
    • Paul Martin on props, motors, etc.
    • Batteries
    • Motors
    • Props
  • Calculators
    • Motor
    • Propeller
    • Aviation
    • Entire power train
    • Metals
  • Flying strategies
  • Materials
• Glossary