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Chance Manufacturing 'Flying Bobs'
Flying Bobs Amusement Ride
About this creation
Here is a fully functional Flying Bobs ride. It took around a 1000 hours of prototyping, and build time. More than 40,000 elements. The Flying Bobs is a unique carnival ride that dates, I would guess, back to the the mid 60's. It has been built in different themes such as 'Thunderbolt', 'Bobs', or 'Music Express' to name a few. Its design is quite simple, but yeilds a unique and somewhat thrilling experience for the rider. Hinged sweeps are mounted to the center hub in a radial pattern, which allow them to move up and down in the verticle. There is a wheel and bearing assembly attached underneath each of these sweeps that travels on a circular track. The track has hills and valleys very similar to a Tilt-A-Whirl track setup. The 'sleds' are hung on moveable supports that allow them to swing out to the horizontal position when centripedal/centrifugal forces are applied by the spinning center hub. The rider has the feeling of 'flying over hill and dale' on a wild Bobsled ride.
The translation to Lego was a challenge, as working in this scale you suddenly hit the wall that is the physical limitation of Lego elements themselves. In the end I had to use a non-Lego precision bearing for the center hub mount. The weight ith the sweeps, support leaves, wheel assemblies, and the cars was over 30lbs. The track that the sweeps roll around on is made for generic 1/4 inch plastic tubing.
The center is driven by a variable speed drill, controlled by a Lego motor assembly that squeezes the trigger to increase speed. I had a problem when it was setup at Brickfest this past year, as I kept breaking technic rods that were installed the the drill chuck. It turns out that when I got home I figured out why. I had inadvertantly cut the number of support elastics on the sweeps, thus doubling the turning weight. It runs like a dream now. The only other thing I want to do to this model is change the Lego 'lights' to real led's with a chaser pattern on them for realism. Thanks for having a look, and any questions or comments are welcome! :)



  October 21, 2014
i really would love to know how you made the inner HUB circle, because i am stuck at that point, this machine just is art. hope you will answer would be very very nice
 I like it 
  October 21, 2014
Wooooow man, you just got the best ride ive ever seen please make a vid or more pics so we can look at this beautiful machine
 I like it 
  January 13, 2014
any chance of instructions or diagrams for the flying bobs ride? i would pay for the instructions
  February 29, 2012
Beautiful, man. One of my favorites from the midway for sure. Classic. - Huss Q.
 I like it 
  May 12, 2010
Excellent job! This was always my favorite carnival ride! Brings back some memories!
 I like it 
  April 30, 2009
This is a great model of the Flying Bobs. I work for Big A and have one on our lot right now. Excellent workmanship!
 I like it 
  April 13, 2009
A lot of hard work and dedication went into this, I am truly amazed.
Tilt a Whirl
 I like it 
Paul Beach
  July 27, 2008
This is probably my favorite ride. It brings back memories.
 I like it 
  July 5, 2008
Jayne, you are totally wacked. People of all ages love legos, including adults. Who do you think makes the sets and the big models? ADULTS. Your brain is messed up if you think nobody likes legos. And this, might I add, is a site for hosting lego creations, and may not be such a good place to say such a stupid comment like that. If you don't like Legos, don't come on this site and rate creations low because you hate legos. Enough of that. I live in New England, near Canobie Lake Park, and they have a ride like this there. I think its very accurate. Great Job!
 I like it 
  October 8, 2006
how could you get anything lower than 5/5. one of the best creations ive ever seen. wow that took loooong to make!
 I like it 
  September 13, 2005
SUPERLATIVE!!!, and by the way, do you have any videos of it working, i've riden one and i want to know how acurate it is
 I like it 
  May 8, 2003
Goergeous! if you loke big lego projekts you should visit
By Tilt a Whirl
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LEGO models my own creation MOCpages toys shop Chance Manufacturing 'Flying Bobs'

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