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Modular, electric bike trailer provides strain-free haulage

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July 22, 2014

The Rollout Trailer helps motivated cyclists to ditch the car … even when they have heavy ...

The Rollout Trailer helps motivated cyclists to ditch the car … even when they have heavy gear to haul

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The Brouhaha Bike Trailer from Wisconsin-based Rollout Self-Propelled Trailers puts a bit of horsepower behind your two-wheeler. Unlike on some other electric-powered bike trailers, that horsepower doesn't make pedaling any easier; it simply adjusts for the weight of the load so that the cyclist can pedal like normal while carrying everything from a full tailgating set-up to a stand-up paddleboard.

There is already a sizable market of electric cargo bikes and electric bike trailers. Models like the Ridekick are designed to augment pedaling with electric power, providing quicker speeds and less effort.

The Brouhaha is a different kind of e-trailer with a different goal in mind. When he began tinkering with the design several years ago, Brian Bartel sought to build a trailer that could help cyclists replace their cars when hauling all types of large cargo. He wasn't thinking just a plastic bag or two of groceries, but a month's worth of stock for a family of four. He built the trailer to exemplify the motto, "If you can carry it on top of your car, you can tow it with your bicycle and the Brouhaha."

The Brouhaha adds electric towing capabilities to any bike

In designing the Brouhaha, Bartel wanted to be sure not to interrupt the exercise of pedaling – that's the part of biking that's good for you, after all. He went about hacking an existing aftermarket e-bike kit, replacing the throttle with a proprietary controller and adding a force sensor to monitor the towing force continually so the controller can adjust motor output as necessary to maintain "zero towing force." So the trailer essentially propels itself while the cyclist pedals like normal.

The Brouhaha trailer is designed to be hitched to any bike. The cyclist simply turns it on and starts pedaling. To ensure the trailer doesn't start motoring before the cyclist is ready, the motor kicks in only after the wheels have spun through one full rotation. The trailer's braking also activates when the cyclist brakes the bike.

A combination of 36-volt (9 Ah or 12 Ah options) sealed lead acid battery and 500-watt motor give the Brouhaha trailer the muscle for some pretty impressive haulage. Rollout estimates that the motor system can handle up to 400 lb (181 kg) of gross trailer weight.

Rollout plans to make the trailer modular so that users can quickly swap out purpose-built racks and extensions for things like canoes, children and groceries. During beta testing, Brian's wife even towed a party set-up of beer, ice, meat, a table and four chairs to a Green Bay Packers game, in a twist on tailgating that demands new terminology – trailer barring?

The Brouhaha can remove the car from tailgating or picnicking

The Brouhaha is but a prototype for now, but Rollout is running a Kickstarter campaign to raise US$80,000 to polish the hardware and software, smooth out performance and launch a production-ready model. The campaign offers a variety of price points, from a $1,200 three-month rental, to used prototypes starting at $2,500, and a $5,000 first-run production model.

If the campaign is successful, Rollout plans to move toward production this Wisconsin winter, bringing the Brouhaha to market in time for summer 2015. It also advertises customized builds on its website.

Source: Rollout Trailers

About the Author
C.C. Weiss Upon graduating college with a poli sci degree, Chris toiled in the political world for several years. Realizing he was better off making cynical comments from afar than actually getting involved in all that mess, he turned away from matters of government and news to cover the things that really matter: outdoor recreation, cool cars, technology, wild gadgets and all forms of other toys. He's happily following the wisdom of his father who told him that if you find something you love to do, it won't really be work.   All articles by C.C. Weiss
3 Comments

I think that is great for those who carry / transport things with their bike.

With the name of Brouhaha, one would think they make funny coffee. :)

BigGoofyGuy
23rd July, 2014 @ 07:58 am PDT

looks helpful. like anything that cuts oil usage!

billybob1851
23rd July, 2014 @ 10:58 am PDT

Now that IS a good idea for a bike trailer!

Love the ready-for-use BBQ as well.

Should end up making a neat camping trailer set-up down the track!

The Skud
23rd July, 2014 @ 07:08 pm PDT
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