261 kph WATER ROCKET TRIKE ǀ 0-100 kph in 0.55 second (5.1g) ǀ Rider: François Gissy

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Many of us had the opportunity to launch small rockets made from soda bottles filled with water and compressed air. Using this very simple principle and with some rainwater, I have reached 261 km/h (162.2 mph) on a homemade trike, while accelerating from 0 to 100 km/h (62.15 mph) in 0.551 second (the average acceleration during the first 852 milliseconds, which was the elapsed time needed to cover the first 60 feet (18.288 meters), was 50.3868 metres per second squared or 5.138 g).
This video was shot on the Circuit Paul Ricard located at Le Castellet in France.

Here is the longer video, with some alternative angles, slow motion, + bonus:

Some previous tests, conducted a few weeks before, at slower speeds (145, 219 and 245 km/h):

You might also be interested to watch the video of the 333 km/h (207 mph) rocket-propelled bicycle run:

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I would like to thank all people who helped to make this possible:

COMERA (Precision Machining / Mécanique de précision / Outillages / Prototypes)
95 rue Général de Gaulle, 68470 Ranspach, France

PortaTree Drag Racing Timing Equipment operated by Dr Lorenzo Lauro of P&L RACING

I am using a VBOX Video HD2 from RACELOGIC, the expert in automotive data loggers


The staff of the Circuit Paul Ricard

And all the other people who have helped me!

Original soundtrack composed by Yohann Henry

I am looking for sponsors in order to build much more powerful, spectacular, and faster vehicles.
Some amazing projects are waiting to become a reality.

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See also