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Utility Cycling Want to haul groceries, beer, maybe even your kids? You don't have to live car free to put your bike to use as a workhorse. Here's the place to share and learn about the bicycle as a utility vehicle.

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Old 05-09-11, 10:00 PM   #1
Kabir424
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Wink Bicycle wheeled cargo trailer/garden cart

I am wanting to build a combined bicycle cargo trailer/garden cart. I want the garden function of the garden carts shown below. I do garden/landscaping work all over my city and I travel by bicycle mainly. Having one of these would allow me to haul 200+ lb loads around my clients' properties and it would allow me to bring more functional tools to the job site. Having a cart like this for my work would be terribly useful.





The wheels for the above garden carts are phenomenally strong but they aren't made for going faster than 5 mph. I need something that can go faster than 15 mph since I would be bicycling to their houses. So, I will be using bicycle wheels for this garden cart since they can operate at the speeds that I want. As such I will be using these wheels below since they use 11 gauge spokes and can probably take a beating.


http://www.huskybicycles.com/Merchan...roduct_Count=1

However, this presents the issue that these wheels don't fit into the plans for the garden cart. My solution is to use the chassis from the Malawi Hand Cart plans and then place the framework of the garden cart on top. Here is the Malawi Hand Cart plans below.

http://mercurypoisoningproject.org/m...nufacture.html

For the hitch I was thinking about purchasing the pricey Bikes at Work hitch. Any suggestions on something else that would work better and/or cheaper?

http://www.bikesatwork.com/bicycle-t...ler-hitch.html


So, what do you all think? Too heavy? Am I over building or not building strong enough? Any constructive criticism?
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Old 05-10-11, 08:20 AM   #2
Gareth
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Is a wooden chassis your only option?

It would be my preference to avoid using wood to construct a trailer for towing behind a bicycle. The weather, temperature, and humidity could cause problems with potential expansion, contraction and warping, not to metion the unit weight and reduced payload.

I copied this photo from the utility cycling section of these forum boards about 12 months ago with the intention of building my own version for towing behind the "Capability" model of Cargo bicycles that I build specifically for gardening rounds customers.



General enquires and orders were not forthcoming, and so I shelved the project.

However, only this morning a very close friend who uses one of my Capabilities for her gardening round called me and asked about a suitable trailer come hand cart for her rounds.

So my sketch book, pencil and tape measure have been out today, and I am in the process of designing a trailer similar to the one in the above photo, only larger, with a centre " Over the wheel" combined hand cart handle, draw bar and hitch. It will also include a handle bar mounted lever and cable operated bottom opening, top pivoting tipping tailgate for discharging loose materials, which can also be dropped down to make a ramp or opened to one side for the loading and unloading of larger garden materials, or a lawn mower etc.

My advice to you is to find someone who can make such a trailer from steel tubing. It needn't be expensive if done by a local tube bender/welder, and it will be outstanding value for money in the long run.
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