Open Source Pedal Powered Quadracycle: Difference between revisions
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*Original Version will be a Two Seat, with a small trunk, and a trailer hitch | *Original Version will be a Two Seat, with a small trunk, and a trailer hitch | ||
*A Cheap People/Cargo Mover for local areas (no fuel, little maitnence) | *A Cheap People/Cargo Mover for local areas (no fuel, little maitnence) | ||
*Modular, so can start out as frame + drivechain + seats only, and grow into essentially an ac-less small car (low speed) | |||
*Can also add a motor (assist) later if desired | |||
=Industry Standards= | =Industry Standards= | ||
| Line 29: | Line 30: | ||
=Basic Design= | =Basic Design= | ||
== | ==Frame== | ||
* | *Thinking Pipe or Tube | ||
*PVC Pipe, [[Fiber Reinforced Pipe]] , [[Steel Pipe]] / [[Steel Tube]] / [[Aluminium Pipe]] / [[Aluminium Tube]] | |||
*Also want it to be at least dissasembleable to module sections (ie not all welded, use bolts for maitnenece/upgrading) | |||
==Seats== | |||
*OTS or DIY | |||
==Drivetrain== | |||
*Two pedals (one for each person) | |||
*Clutch on each for each person being able to not have feet "pushed" if not pedaling, or if there is not a seccond person | |||
*Then goes to a gearbox | |||
*Then goes to both wheel axles (possibly a differental on each)? | |||
*Also optional [[KERS]] using a flywheel and clutch for non-electric boost for stop/go and hills etc | |||
==Wheels== | |||
*Most likely standard "bike" tires+wheels | |||
*May need non-spoke versions for better load capacity (ie more like motorcycle/car wheel hubs) | |||
==Windsheild== | |||
*Cut Acrylic With Add-on Frame | |||
==Onboard Battery== | |||
*Small battery up to a 12v lead acid for onboard electronics, and systems (if wanted) | |||
*Could also add a roof mounted flexible solar cell array | |||
*Then misc things like headlights, turn signals, bike computer, internal lights, radio/stereo/gps etc | |||
== | ==Trailer Hitch== | ||
*What is the "standard" ? | |||
=BOM= | =BOM= | ||
Revision as of 20:59, 16 July 2020
Basics
- A Four Wheeled Bicycle of sorts
- Original Version will be a Two Seat, with a small trunk, and a trailer hitch
- A Cheap People/Cargo Mover for local areas (no fuel, little maitnence)
- Modular, so can start out as frame + drivechain + seats only, and grow into essentially an ac-less small car (low speed)
- Can also add a motor (assist) later if desired
Industry Standards
Existing Open Source Designs
N55 System
American Speedster
- Seem to be made with PVC Pipe?
- Their Website
University Studies/Designs
- California Polytechnic State University, San Luis Obispo - "The Quadricycle Hand and Foot Cycle" (used hand pedals too (and turning via seat twisting?) , not too needed, but intresting)
Minimum Viable Product
Rough Sketches
Top Down View
Basic Design
Frame
- Thinking Pipe or Tube
- PVC Pipe, Fiber Reinforced Pipe , Steel Pipe / Steel Tube / Aluminium Pipe / Aluminium Tube
- Also want it to be at least dissasembleable to module sections (ie not all welded, use bolts for maitnenece/upgrading)
Seats
- OTS or DIY
Drivetrain
- Two pedals (one for each person)
- Clutch on each for each person being able to not have feet "pushed" if not pedaling, or if there is not a seccond person
- Then goes to a gearbox
- Then goes to both wheel axles (possibly a differental on each)?
- Also optional KERS using a flywheel and clutch for non-electric boost for stop/go and hills etc
Wheels
- Most likely standard "bike" tires+wheels
- May need non-spoke versions for better load capacity (ie more like motorcycle/car wheel hubs)
Windsheild
- Cut Acrylic With Add-on Frame
Onboard Battery
- Small battery up to a 12v lead acid for onboard electronics, and systems (if wanted)
- Could also add a roof mounted flexible solar cell array
- Then misc things like headlights, turn signals, bike computer, internal lights, radio/stereo/gps etc
Trailer Hitch
- What is the "standard" ?
BOM
CAD
Internal Links
- Velomobile
- Fibre Reinforced Pipe 3D Printer possible structual material
- Modular Vehicles
- Team Wikispeed
- This Part of the "Construction Sets" page