{{Projects infobox
|image = Cargo-trailer.png
|designers = [[User:Tim|Timothy Schmidt]]
|date = 2021
|vitamins =
|materials =
|transformations =
|lifecycles =
|tools = [[Wrenches]]
|parts = [[Frames]], [[Nuts]], [[Bolts]], [[End caps]], [[Plates]], [[Wheels]], [[Axial bearings]], [[Keyed shafts]], [[Wheel hubs]], [[Shaft collars]]
|techniques = [[Tri joints]], [[Shelf joints]], [[Wheels and axles]]
|git =
|files =
|suppliers =
}}
[[Category:Projects]]
[[Category:Transportation]]
=Introduction=
A bicycle trailer is a motorless wheeled frame with a hitch system for transporting cargo by bicycle. It can greatly increase a bike's cargo capacity, allowing point-to-point haulage of objects up to 4 cubic yards (3 cubic metres) in volume that weigh as much as half a ton.
=Challenges=
=Approaches=
==Cycle trailer==
Cycle cargo trailer.jpg|Cycle cargo trailer
Wheel adapters.jpg|Wheel adapters
Rear wheel assembly.jpg|Rear wheel mockup
* side bike attachment w/ [https://www.amazon.com/Sydien-Bearing-M8X1-25-Economy-Lubricating/dp/B07YXM56MM/ Right Hand Rod End Bearing M8X1.25 Female Thread]
* bolt-on pneumatic utility tires @ below deck level for true flat bed loading
* expanded mesh bottom w/ tiled coroplast for all weather drainage and easy strapping
* plastic fencing + coroplast sides
* central beam, braces at front, rear, wheels. corner posts w/ pvc flag pole
* modular totes
==Truck trailer==
Truck cargo trailer.jpg|
Front spindle.jpg|Front spindles
==Tractor trailer==
=References=
* [https://en.wikipedia.org/wiki/Trailer_(vehicle) Wikipedia: Trailer]
* [https://en.wikipedia.org/wiki/Bicycle_trailer Wikipedia: Bicycle trailer]
* [https://www.donkeytrailers.com/ Donkey Trailers]