Скачать или смотреть Little Gizmo dragracer 4 sec -100 km Ftt Kreidler engine of Luc Foekema

Read here the history about the symmetric twostroke engine: https://www.kiwibiker.co.nz/forums/sh...

This is a heavy tuned Kreidler 90cc engine, original Kreidler cylinder with bore 53.7 mm stroke 39.7mm - 5 gears - Rotary valve - Ftt UltraSap ignition - Ftt calculated exhaustpipe - Max power 30hp at 14.000rpm, with normal fuel 98 octan, no additions, beside lubrication 1:25

This test run was made Sept. 19, 2011 some days before te match.
In less than 4 sec tot 100 km/h
Topspeed in video is 106 km/h (at 150m about 130km/h)
Km/h in 4 gears: 53 - 67 - 92 - 106
5th gear in video not used, the track is to short.

The last and fastest Dutch Prostock record run over 150 meter was driven in May, 2014 with time 6.62 sec, 0.01 sec reaction time. Which is 3.85 sec to 100km/h

If you also want a fast twostroke send a message to [email protected] for:
Ftt calculations for cylinder, combution chamber and exhaustpipe exactly dedecated to your setup, The shortest and easiest way to realise the best performance possible of any twostroke and any ccm3. Just contact me by facebook or messenger or read: the comments of my Ftt calculations:
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Profile:
I started racing in 1964. Computers were still not there. I did hardly no calculation. With the advent of the computer everything has changed and complicated calculations are no problem any more. All old historical notes were struggling. In the past 15 years I got a number of programs. Beside I did developed many programs myself in Excel. It was my profession to do so for my employer for many years.
In 2003 also began making calculations for third parties. Not everything, but a lot can be calculated very accurately for any twostroke engine. For instance the exhaustpipe can be calculated in almost exactly the correct speed for which the setup and cylinder is optimal. Even by a large kart engines manufacturer (TM) was found to be not entirely correct. With a new calculated combustion chamber and exhaustpipe it was far better then before.
This is also partly due to the information I got from Jan Thiel and was freely available after retiring from Aprilia racing end 2007.
Also the UltraSap ignition developed by my son Raimond was a very important part. The combustion and power are strongly influenced. Read about this subject my note on Facebook

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Sincerely,
Luc