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Kurt Haller RV-9A
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Date:  4-12-2015
Number of Hours:  0.00
Manual Reference:  
Brief Description:  Wiring the ADAHRS units

Another "pictures only" entry, written after the fact on 7/18/2016, without an estimate for hours.

The pics are the view from the bottom of the fuselage looking up. The pitot/static/aoa fittings are on the forward side. The Skyview Network cables and OAT sensor wires plug into the aft side. The OAT sensor are mounted on the sides of the fuselage, underneath the horizontal stabilizer. Some folks advocate putting OAT on the bottom of the wing, out of the swirling prop stream and (maybe) hotter than ambient air from the exhaust. I think I'll put a third temp sensor out on the wing to compare once flight test begins before going to the trouble of moving the OAT sensors.

The network cables run together from the hub at the bottom of the vertical center rib, up the vertical rib, then split left and right running aft before looping around to plug into the DB9 connectors on the back. These "service loops" are much too servicable, the loops going back to the next bulkhead. Shortening the cables would save a few ounces for sure. It's on the master punchlist...can't say I overeager to lay out my 6'5" bod to get in there for a do-over....
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Bottom view of ADAHRS shelf

Bottom view of ADAHRS shelf

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Ditto

Ditto

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