Expansion Chamber Design Forum
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Starting with the expansion chamber

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Starting with the expansion chamber Empty Starting with the expansion chamber

Post by BmPrimeRider Wed Nov 09, 2016 2:53 pm

I have been working with expansion chambers for a year, following the designs posted in the Bicimotor Bogota Facebook page.
These Exhaust System work properly, especially in the 66cc Two stroke Engine,which is usually sold as 80cc.But in the 48cc engine, they
do not work at 100%. My trials in my 48cc engine show a lot of mistakes in the calculation of the expansion chamber, although I have reached
the 62 Kph limit on it. According to the EC Calculations, my expansion chamber is a disaster. There is no sinchrony between sizes of diffuser, baffle and
belly pieces, besides the header length is out of the recommended, but it works.
However, I would like compare it with a 100% effective expansion chamber developed and built for someone in this forum.
I apologize for my rookie use of the language.....Thanks to all of you.

BmPrimeRider

Posts : 1
Join date : 2016-11-09

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Starting with the expansion chamber Empty Re: Starting with the expansion chamber

Post by Admin Thu Jan 19, 2017 1:43 am


Admin
Admin

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Join date : 2015-03-28
Age : 67
Location : Asuncion, Paraguay

http://www.dragonfly75.com/motorbike/ECtheory.html

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