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      John Williamson



            Or my new Dynamometer info pages?

             DynoPower build and design automotive chassis dynamometer systems

                    Welcome to  DynoPower Dynamometers page,
                  Please be patient, eight photographs to load at once

                                    Bruntingthorpes wide runway can be seen through the side door.

This is a view into the rear of my own home built development unit. This was a mobile trailer dyno unit, while testing bikes for performance bikes magazine at Bruntingthorpe test facility in 1995. The side door that you can see open on the left side is why they call me Burgerman! The bike drives in top gear a half tone solid steel drum, from low speed/rpm up to the rev limiter or its max possible speed, and the power and torque produced at any given engine speed is calculated  from the rate of acceleration of the drum.

 

Gear changing by hand at around 160mph is easy! The drum is solid steed and weighs half a ton!

Above. This unit was used for electronics and software development mainly, and over a few years nearly sent me deaf! Ever stood next to a full blown drag bike with open pipes at full throttle and 200 mph?


Below is a few screen shots from my software, which you can download here! (1.3Mb Download) includes lots of bikes and run data.

Blue box is the area about to be enlarged

The blue box can be resized and any part of any bikes power or torque curves can be enlarged and small differences clearly seen.

Run screen

Hold the speed in the variable green part on the speedometer, and the light sequence starts. On the green give it full throttle! No buttons to push, it's all automatic.

Customer details page for the database

Customer Details still need to be entered into the database though.....

This graph shows the effect of a single stage of Nitrous Oxide on my own otherwise stock GSXR1100 Suzuki. The green line was the base run. The blue line was with Nitrous Oxide and you can clearly see the effect when the button was pushed at 7400rpm...... About 50bhp extra at the rear wheel instantly causes a lot of excitement on the road, making short work of very expensive tyres in lower gears!

Setting parameters

Setting various parameters......

Data for any RPM points given and correction factor.

The right mouse button allows an exact bhp/rpm/correction factor readout for any rpm. As shown by the blue line.



Or my DIY www.nitrous.info pages?
Or my new Dynamometer info pages?

 

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