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hey / diy /, how i could build a jericho trumpet ?

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hey / diy /, how i could build a jericho trumpet ?
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check out air raid siren (mechanical not electric) schematics. Basically the same thing
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Be sure to weld it to your car exhaust.
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Looking at something like this, aluminium housing with holes in it, turbo compressor and ball bearings- then run lots of wind through it
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>>1239298
>>1240264
>>1239318
Semi related, what's the best way to make noise within a 3" diameter cylinder spinning at 11000rpm
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>>1239298
like this?
Thread posts: 6
Thread images: 3


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