Pneumatic course indicator RC ALLEN. This tool measures precisely all kind of planes heading. It is insensitive to fast heading or altitude changes. This is a gyroscopic instrument which needs a depression source from 4.0 to 4.5 inches Hg, produced by a venture or a depression pump. A setting button allows failing directional according to a magnetic compass indications. Diam 83 mm – Depth 145 mm – Weight: 0.825kg – Net price
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