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Look Inside Your Engine—From the Cockpit! An Insight G3 Engine Monitor Pirep Part 2: Installation

Look Inside Your Engine—From the Cockpit! An Insight G3 Engine Monitor Pirep Part 2: Installation

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02-13

In part one of my Insight engine monitor pirep (Piper Flyer, January 2013), I described the G3 engine monitor’s operation and its diagnostic and data logging capabilities.

This month, I’ll focus on how the G3 engine monitor got installed, along with how the 22 sensor leads were wired in order to make all those features light up on the liquid crystal display.

The journey starts with configuring the G3 monitor to fit your aircraft.

Custom Design

Insight does not have a one-size-fits-all approach to engine monitor configuration, which is readily apparent from the beginning: the company’s website includes a separate order form for each G series model.

I ordered the G3 instrument, and this form featured lots of additional questions to properly configure such a full-function engine monitor. The first six sections were straightforward and asked for owner and installer contact information. The remaining questions involved details about aircraft make, model and year; engine make and model; buss voltage; plus specific sensor type and size information.

The website describes and shows pictures of these sensors and how to select the sensor for your aircraft. The fuel flow sensor selection highlights an important difference between aircraft: fuel flow sensor options vary for fuel injection versus carburetor installations and mounting locations. Prior planning for necessary AN fittings to insert the sensor in the fuel line will help the project go smoothly later on.

Insight’s technical support is available when questions come up. They will assist with selecting the correct configurations and discuss installation options with you.

For example, I wasn’t sure whether or not to keep the OEM carburetor air temperature gauge. At first I thought I wanted to keep the 2 ¼-inch gauge, but after giving it some thought, I decided the best course of action was to remove the OEM gauge and use the Insight carb air temp, which is logged on the SD memory card. (For more information, take a look at the “Why is That?” section in Part 1. There I discuss how logging this variable helped me find the best temperature to improve fuel air distribution.) Sometimes it’s hard to let go of something that is old and familiar, but moving on was the right decision.

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