The 1967 Gyro X is a self-balancing two-wheel prototype vehicle, a magnificent example of inventing a problem so that you can invent its solution.
The project was born in 1967, designed by Alex Tremulis and gyroscope specialist Tom Summers, with a budget of $750,000 (about $6 million today) but it was soon abandoned due to Gyrocar Company's bankrupt, ran out of funds to perfect the product.
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