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Gyrobike Wheels to Train Young Cyclists
A novel device which easily trains young cyclists without need for training wheels.
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Irv
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February 11, 2018 - 6:38 pm
Member Since: December 23, 2017
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Hi all.  This is Irv.  An interesting demonstration of physics is when you begin to fall on a bicycle, you need to steer in the direction of the fall to regain balance.  This is the fundimental problem with trying to learn how to ride a bicycle using training wheels (the training wheels eliminates the need for balance correction).

Several years ago now, a small company made a "Gyrobike" 12" diameter bicycle wheel with an integral flywheel, electronics, a small DC motor, and rechargable batteries.  It retailed for about $150 US.  The flywheel could be made to operate at three different speeds.  The idea was that the student cyclist would start with the highest speed and the flywheel speed was reduced as the student gained experience/confidence.  The battery lasted about 3 hours between the need for recharging.  Only the front wheel was replaced with a "Gyrobike" on a normal bicycle.  

It was an extremely good training aid and a child quickly learned how to ride a bicycle with its use (about 3 to 4 hours).  The effectiveness of the device caused the company to fold.  People would by a "Gyrobike" on a friday, train their child over the week end, and return the device to the store for a refund on a monday.  They are still available on eBay and I told the local day care center about them last year.  They were extremely excited and purchased one (I had to replace one of the batteries for about $4 and my time to solder it in).  They trained about 60 pre schoolers how to ride a bicycle with it.  An interesting note, the wheel is "handed" and they initially installed it backwards.  The student pushed to start the bike, and the wheel pushed back to stop it.  

I purchased two of the Gyrowheels for my grandson and put them on a push bicycle (they have no pedals), replacing both the front and back wheels.  The bicycle stands erect with no passenger when the wheels are powered up.  It defies your attempts at pushing it over.  

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Mark
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February 12, 2018 - 7:33 pm
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Had not heard of these will have to check them out for my Grandkids.

Thanks, Mark

Master the Frog and you have mastered the bow.

Albert Sammons

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Irv
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February 12, 2018 - 10:39 pm
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Hi Mark (and others).  I have purchased several over the years.  All have been new units in their original packaging.  I paid between $20 to $40 on eBay (I think that shipping was extra).  I had one unit (the one used by the day care center) that would not take a charge.  If you get one of those, deflate the inner tube of the tire, unscrew the two halves of the plastic rim/wheel, and take a photo of how the wires are arranged so that you can easily put it together.  There are two taped together battery packs of 4 each AA size rechargable batteries.  Take a multimeter and determine which cell has no voltage (this is the bad cell).  Harbor Freight (and others) sell the batteries for about $5 for a package of 4.  I had no problem soldering in a new battery.  Pay heed to polarity.  Do not use too much tape to bind together the batteries or it will not fit where it needs to go in the wheel.  

The only video I viewed on the Gyrobike was from a bicycle dealer on Long Island that has a popular bicycle repair Youtube channel.  He was using it to teach a young girl how to ride a bicycle in his drive way.  I was amazed on how quickly she learned.  He never mentioned what the device was but it was a simple matter to "Google" it.

I would still recommend the use of a bicycle helmet and I always suggest wearing gloves when riding a bicycle.  Enjoy.

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Irv
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February 13, 2018 - 8:19 am
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The video channel on Youtube that I mentioned is BikemanforU.  The name of the video contains the words "How to Ride A Magic Bike."

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