Trailer for bicycle based on Carla Cargo design
Project data
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Category: Bicycle cargo trailers URL (first publication): https://www.youtube.com/watch?v=iPnPit1KNgY Keywords: trailer, bicycle, bike, cargo, carla cargo, overrun brake, transport License: CC BY-SA 4.0 Organization: OHO Project status: Active
Maturity of the project: prototype
Contains PDF-drawings: Yes CAD files are editable: Yes Assembly instructions are published: Yes Bill of materials is published: Yes
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Project details
Description
This trailer is based on the design of the well-known Carla Cargo trailer and will utilize Appropriate Technologies to ensure that it is both sustainable and environmentally friendly. We recognizes the importance of promoting sustainable transportation solutions, especially in urban areas where traffic congestion and pollution are major problems. Bicycle trailers are an excellent solution for transporting goods by bike, and the Carla Cargo trailer is one of the most innovative and efficient designs on the market. The project use materials and manufacturing processes that are environmentally friendly, low-cost, and easy to maintain. We believe that this project will have a positive impact on our community and beyond, by promoting sustainable transportation options and reducing our carbon footprint.
Technical data
| Feature | Detail |
|---|---|
| Payload capacity | 200 kg |
| Internal dimensions | 1.6 m (L) x 0.6 m (W) x 0.1 m (H) |
| Trailer weight | 27 kg |
| Brake system | Overrun (inertia) brakes |
| Material construction | Structural steel |
| Wheel size | 20 inch |
| Hitch type | Seat post hitch |
| Suspension | No, upgrade option |
| Certification | In progress, the original model complies with standardised Euronorm |
Technical documentation
Assembly instructions
Tests, practical applications
Carla Cargo, is a widely developed and tested project, Worldwide, obtaining great acceptance from the public and adapting to different needs of its users, here are some successful cases:
+ General Reviews 
Reviews
| Pos. | Qty. | Part Name | Part code | Part Type | Specifications | Review Status | Show All Comments | |
|---|---|---|---|---|---|---|---|---|
| A1 | 1 | 3D Views | |
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| A2 | 1 | 3D Explosion Views | |
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| B | Parts list | |
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| 1.0 | 1 | Frame | |
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| 1.01 | 9 | Belt | Production | Tubular square 1*1"*1.5*610mm | |
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| 1.02 | 9 | Reinforcement1 | Production | Square tubular 2*1"*1.5*121mm | |
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| 1.03 | 2 | Stringer1 | Production | 1*1"*1.5*1625mm square tubular pipe 1*1"*1.5*1625mm | |
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| 1.04 | 4 | Strut | Production | Tubular square 1*1"*1.5*172mm | |
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| 1.05 | 6 | Reinforcement2 | Production | Square tubular 1*1"*1.5*121mm | |
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| 1.06 | 2 | Stringer2 | Production | Tubular square 1*1"*1.5*1399mm | |
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| 1.07 | 6 | Cantilever1 | Production | Tubular square 1*1"*1.5*610mm | |
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| 1.08 | 9 | Cantilever2 | Production | Square tubular 1*1"*1.5*228mm | |
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| 1.09 | 4 | Cantilever3 | Production | Square tubular 1*1"*1.5*112mm | |
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| 1.10 | 4 | Reinforcement3 | Production | Square tubular 1*1"*1.5*71mm | |
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| 1.11 | 1 | Link | Production | Tubular square 2*1"*1.5*201mm | |
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| 1.12 | 1 | Collar1 | Production | Tubular square 2*1"*1.5*400mm | |
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| 1.13 | 1 | Neck2 | Production | Square tube 2*1"*1.5*525mm | |
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| 1.14 | 1 | Bike head tube | Production | Telescope (head tube), extracted from used frame | |
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| 1.15 | 4 | Channel1 for shafts | Production | Plate 6*85*40mm | |
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| 1.16 | 2 | Channel2 for shafts | Production | Plate 6*85*105mm | |
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| 2.0 | 1 | Traction assembly | |
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| 2.01 | 2 | Trailer tubular | Production | Square tubular 1*1"*2*475mm | |
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| 2.02 | 1 | Steering tube | Production | square tube 1*2"*2*150mm | |
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| 2.03 | 2 | Bent plate | Production | Plate 1*1*1/8"*175mm | |
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| 2.04 | 1 | Steering kingpin | Production | Round tube Di1"*2*40mm | |
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| 2.05 | 1 | Threaded rod1 | Production | Threaded bar 1/2 "UNC*114mm | |
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| 2.06 | 1 | Steering bushing | Production | Galvanized water pipe 1/2"*51mm - piece of pipe | |
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| 2.07 | 1 | Coupling U | Production | Round bar 1/2"*260mm | |
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| 2.08 | 1 | Coupling C | Production | Flat bar 1*1/8"*146mm | |
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| 2.09 | 1 | C reinforcement | Production | Flat bar 1*1/8"*32mm | |
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| 2.10 | 1 | Clamp tube | Production | Round tube Di1"*2*38mm | |
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| 2.11 | 2 | Clamp tab | Production | Plate 1*1/8"*38mm | |
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| 2.12 | 1 | Coupling bolt2 | Standard | Hexagonal screw 1/2*2 "UNC, grade5 | |
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| 2.13 | 1 | Locking pin | Buy | Locking pin for 1/2" shaft | |
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| 2.15 | 1 | Locking pin | Standard | Hex screw 1/4*1/2 "UNC, grade5 - or 1" cut out | |
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| 2.16 | 1 | Clamp screw | Standard | Hex 1/4*1" hex bolt, grade 5 | |
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| 2.17 | 2 | 1/4" nut | Standard | Hex nut 1/4" UNC, grade 5 | |
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| 2.19 | 4 | Brake joint | Production | Plate 1*1*1/8"*58mm | |
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| 2.20 | 1 | Tensioner | Production | Plate 1*1*1/8"*225mm | |
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| 2.22 | 2 | Tensioner wing | Production | Angle 1*1*1/8"*76mm | |
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| 2.23 | 1 | Brake spring | Buy | Tension spring L60, D20, d3.5mm, 5 turns, k: 20-26N/mm - reference data | |
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| 2.24 | 4 | Threaded rod2 | Production | Threaded rod 1/2 "UNC*76mm | |
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| 2.25 | 20 | Brake nut | Standard | Hexagonal nut 1/2" UNC, grade 5 | |
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| 3.0 | 1 | Front fork | Buy | Bicycle fork rim 20, optional rim 16 | |
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| 4.0 | 3 | Wheels | Buy | Wheel with bicycle rubber rim 20, optional rim 16 | |
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