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Stuart Beam Engine

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Eric Cox04/01/2019 10:17:53
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491 forum posts
24 photos

On the Stuart beam engine how deep does the recess on the top of the column need to be to take the entablature arms.

JasonB04/01/2019 11:37:02
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Drawing I have shows the top of the entablature as 2.125" wide and the width between the recesses as 2" so that would make the cuts 1/16" each side.

Eric Cox04/01/2019 14:18:37
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491 forum posts
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Thanks Jason, I should have paid more attention to the drawing

Mick B104/01/2019 15:12:48
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Running a caliper across the top of mine, it looks as if my column top is 2.111" across, with 55-56 thou recesses to achieve the 2.00" arm gap. I'd think it's the 2.00" across the recess bottoms - with equal depth recesses - that you need to attend to, or several other dimensions'll be thrown out. But the thin flanges above and below the recesses only fit fresh air, so the height of those is not very significant.

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