bellmouths - home made?

Taffy · Jul 22, 2009

anyone know where i can get the drawings etc on how you make a bellmouth or any similar conical type stuff, i once remember seeing a diagram of an expansion pipe laid out on paper.

i need to make a long belmouth?

regards

Taffy

Smorgasbord · Jul 22, 2009

http://www.pulserate.com/
For making the long cone sheet metal bellmouth of your dreams. Especially good for when you make 2 stroke pipes or divergent 4 stroke pipes. Regards

maicoxx · Jul 22, 2009

Taffy, if you go to a sheetmetal workshop with the dimensions either end the should be able to roll you a cone too suit tig it up and your away or find a copy off "two stroke performance tuning" by bell has a chapter on laying out cones for expansion chambers etc........colin

Taffy · Jul 22, 2009

cheers smorgy! will try that!
i have that book miaco! for trumpets read expansion chambers! cheers bud!

regards

taffy

Taffy · Jul 25, 2009

i found an american company making them and they just did their first 42mm samples. guess i had the right timing there!

http://www.velocity-of-sound.com/

you see, i can help you but you can't help me....

regards

Taffy

kfx440 · Jul 25, 2009

there's a guide around on building chambers by paul turner.

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bellmouths - home made?

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