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RoasterRob wrote:
per row 9 mm apart, rows 5mm apart, offset 4.5mm. means that the spacing between holes is 6.7mm from memory. Sort of a diamond pattern formed by any 4 holes. with any side being 6.7mm hole centre to hole centre...

I'm investigating putting together a 1lb gas fired fluidbed based on your assymetrical 4" diameter RC you mentioned quite a while back.

I understand the 25% perf plate area (at a 45 degree angle) and 1/8" holes but I'm having trouble following the "per row 9mm apart, rows 5mm apart, offset 4.5mm". Could you elaborate on this as I want to duplicate your perf plate exactly.



Allen