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LANCE'S WEB SITE
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Date: 12-16-2020
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Number of Hours: 4.00
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Manual Reference:
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Brief Description: Research fuel sender options
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The hours on this are off, really, cause I've spent the last couple of days researching which sender to get and where to place it.
I had turned back the one that Zenith offered with the kit because I read too much about those seep/leaking over time. So, maybe mechanical is not out, but the VW ones definately were out.
I also didn't like the idea of cutting big hole in the side of my tank. So I thought I'd do either a top-down or bottom-up hole. Eventually this firmed up as top-down is probably the best.
I moved to capacitive. I thought that if i could find one that was double bendable I could actually come in from the side so i can get a full sweep of empty-to-full. I called Centroid Products because I heard that they will actually bend it for you. Well, they said that they don't do double bends. So my only option would be either to come down from the top (6") or do a single 90 deg down-turn from the side only really getting deflection from mid-tank to empty. One other issue with these is that they have about .80" profile, which seems a little tall above the tank to cover with a blister.
I then found the Princeton capacitive senders (https://www.princeton-electronics.com) and even found one guy that successfull double bent it. He never answered my questions as to how well it worked. So I called the company directly. Left messages 3 times. And then eventually emailed them...It's been a few days now, with no response, so nope.
After finding out that capacitive would loose it's calibration depending on which fuel you were using (100LL or mogas). I figured that I'd probalby be switching from time to time due to availability while traveling, which really also concerned my wife, so she decided for me that capacitive was out.
I saw a video from Jan Eggenfellner (Viking) where he has started using marine Moeller Reed Switch Sending Unit plus I read of a few other folks on the builder forums were using them. I like this unit. It's got a magnetic float that slides up and down the shaft that affec
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VW Mechanical (Zenith default)
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Princeton capacitive
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Moeller reed type
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