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  1. PotvinGuy

    SuperTrapp warning

    I thought I would get some SuperTrapp discs and make my own version. They come in 3", 4" and 5" sizes. I guessed they would fit in my 4" Sanderson collector. But the 4" discs are only 3-3/4" diameter, which would be OK except the collector is only 3-5/8" ID. Seems everything gets smaller as...

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