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Fuselage May 2008 Updates
May 24, 2008
Manifold Sensor Installation.... - 7.0 hrs
Today I installed the manifold pressure sensor. First I decided I was going to put it inside the firewall. This involved fabbing up a bracket and I riveted it to the angle along the top of the inside firewall. I don't think this is a part that should require serviceing but I can reach it from underneath the panel if needed. I installed the bulkhead fitting and a restrictor fitting on the #3 cylinder head. Each head has a plug in place for things like this and primers. My engine is fuel injected so primers are not needed.
After making up the bracket I primed it and installed the hose from the bulkhead to the #3 cylinder connection. Once the paint was dry I riveted it in place and mounted the MAP sensor. Ran a piece of hose from the sensor to the bulhead fitting on the inside firewall. Next I used the weatherpack connector on the 3 sensor wires. Turned on the panel and I get a a reading but not what I was expecting. I am getting 4.7 inches and with the engine not running I should be getting something close to 30 inches or local pressure. Need to check with AFS on Tuesday.
Next I powered up the panel to test the moving map software from AFS. They allow 5 hours free to test. The map screen looks great but I am not getting data from my GPS. Another configuration probem so I will check with FastStack on what I need to check. The map software is supposed to have more data points than even Garmin like grass fields and such.
Last I installed the starter wire and soldered on the terminals. Some of this stuff sure eats up time. Adle clamps and working in tight spaces is a pain in the butt.
This website was built to document my work in compliance with the FAA requirements
needed to certify my aircraft. My experiences and comments are by no means to be
considered as instructions on how to build any aircraft.
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