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Safari Helicopter Construction
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Date: 9-16-2007
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Number of Hours: 5.00
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Manual Reference:
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Brief Description: Fuel Qty Probe Wiring
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I found a good quality water-tight connector at McMaster Carr to use for the fuel probes. The extra coiled length of wire on the end of the harness is to electrically ground the fuel tanks to the frame. I included this on each probe harness.
I'm finding that the electrical wiring is taking an unusual amount of time. A lot of it is due to the fact that I'm not an expert on wiring and I tend to make sure everything is "just right".
Since the plans have virtually no info on wiring techniques, I've based my personal standards on what I've seen on the military aircraft that I've had the opportunity to work on and the typical FAA reference materials. It may be overkill, but as an example, I've decided that any wire that extends through the firewall is to be encased for abrasion protection. This has required the making of over a dozen wire harnesses. I've taken the time to mark each harness and log it with each conductor's color and purpose. The wires on the inside of the firewall will be seperated and protected by a combination of shrink tubing, sleeves and spiral wrap.
The extra time is also due to the fact that I have added a bunch of stuff. If you are building the standard kit I'm sure it would go much faster. Some of the added "features":
Remote switching of the radio via the cyclic controls.
Addition of the Dynon EFIS with remote compass and Temp probe.
Extra anti-collision light on belly.
Cabin/Map and stowage area lighting.
Transponder with encoder.
Plasma III Electronic Ignition (retained 1 mag)
Warning lights for low voltage, over voltage, reverse current, over current, low fuel, governor off, Plasma III off, and starter on.
MP3 input to intercom system
Cabin speaker for radio
5-button collective handle
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Fuel probe with disconnect
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Probe with harness
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