Also known at the Sociable, the side-by-side tandem bike has actually been around since the 19th century. Commonly used for courting couples or newlyweds, the bicycle is seeing a resurgence with hackers and DIY enthusiasts. One guide by Instructables user carlitos is a simple weld job consisting of nothing more than an extra seat, pedals, crank and some tubing. I can’t think of a more perfect wedding gift.
Via: Instructables
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“By my understanding, “side-by-side tandem” would be a misnomer, tandem specifically refers to a front-back arrangement. It is worth noting that timing-wise, it’s more likely that the”bicycle built for two” Daisy would look sweet upon the seat of in the old song was a side-by-side courting bike than a tandem.
The modern bicycle retrofit is interesting – only one of the riders controls the steering and caliper brakes. The couple would probably need to each have a similar weight, to keep the bike from veering to one side.
Riders not weighing the same can be dealt with using a few heavy things. Lead aprons, bricks in pockets farthest from center of bike (Archimedes principle), etc.
The article mentions being able to slide the seats from side to side to counteract this effect. Of course, if there are big differences, then the riders will be offset from their pedals.
The couple who ride together die together huhuhu
Yes, because drivers can’t be bothered to actually look where they are going instead of at anything but the road (radio, cell phone, gps, etc.)
I have a custom built Co-Motion built for racing. Its older, but with Campy Chorus and bladed Zipp-440′s it is plenty fast.
Billy
How the he|| would you core a tight turn? I wanna see it in a criterium!
I used normal wheels in few crits we do, but for time trials and some road races I use the Zipps.
They were custom drilled 23F 36R
-”to the left!!”
-”no!!! to the right!!”
–CRASK–
Note that only the man has the ability to steer and brake the modern version, and she is just horsepower. And rightly so.
Turns out riders of different weight is not a big problem since you can compensate by having the bike tilted slightly.
Sliding the seats should help too but you can’t slide it too far as it quickly
becomes uncomfortable.
I’ve updated the instructable on how to ride it solo and a video, which proves this.
http://www.instructables.com/id/Side-by-Side-Bicycle/
Thanks for watching,
carlitos
Doesn’t it look as if the man’s knees could bump against the handlebars and he is trying to avoid this by making himself knock-kneed. Anyway, I should think that riding this contraption, while a lot of fun, takes a bit of getting used to.
As used and recommended by pedos in five different continents.