Zenith Aircraft Builders and Flyers
Online Community of Zenith Builders and Flyers
MA3-SPA dimension
Anyone have the top flange dimensions for a Marvel Schebler MA3-SPA carb?
Replies to This Discussion
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Permalink Reply by Bob Pustell on
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I happen to have my MA3-SPA 10-4894 here in the den at the moment (I have a very understanding wife). The top flange of mine measures 2.5 inches square. The circular hole in the middle that the air/fuel mix comes through is 1.75 inches in diameter. The four mounting bolt holes are spaced 2.75 inches center to center when measured diagonally across the flange. Measureing along the edge of the flange the bolt hole centers are about one and fifteen sixteenths center to center. These measurments are all taken with a tape measure so they may be off by a fraction but are pretty darn close.
The flange on the bottom side is much larger, three inches square, by the way.
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Permalink Reply by William Stewart on
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Thanks, that is exactly what I was looking for.
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