What is the effect on 2 stroke expansion chamber tuned length after raising cylinder ? E9
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 Published On Feb 3, 2018

Viewer questions answered covering an IAME 100 cc Reedjet Kart racing Engine that runs a restricted class.

We take the specs given in the regulations and allowed modifications and run the numbers through my model software to see what the resulting engine specs are.

Also what effect the port timing change will have on the RPM peak of Expansion chamber at a fixed tuned length.

The model software is simply a basic simulation of specifications and timings with port timings and heights shown in an animated diagram.

It is based around the Port Position program as provided by Blair et al 2 stroke engine study and published articles from SAE.

Freeware 2 Stroke Expansion Chamber Exhaust calculator program
Download at http://birdcagesoft.com
(Page link on sidebar at site)

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