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Old 08-07-2018, 04:49 PM   #41
HighWing
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Default Re: Hoenshell's Build

This got me thinking. Back in the day one of the guys we flew with regularly would have his wife sit in the seat and call out when the fuel level was at the top of the vertical tube in the sight gauge. I always found this interesting as on my first Model IV, I fueled each tank a gallon at a time to get an accurate mark on gauge. What I found is that at the top of the vertical tube just as the fuel began filling the horizontal part there was 9 gallons in the tank. I suppose tom never flew with more than 9 gallons in each tank. I did the proportional fill both tail in three point and fuselage level as in flight. With a 90 degree barb, I suspect you will be covering more of the vertical tube - top and bottom for probably a visual indication only between about 4 and 8 gallons.

Regarding the three point and flight attitude readings. In the middle the readings were really close, but low fuel and high fuel indications were a gallon or two different. Can't remember high or low, but a gallon or two different.
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Old 08-17-2018, 11:15 AM   #42
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Default Re: Hoenshell's Build

Well, here is what I come up with so far. I've seen some Cubs that are setup like this and thought you might be able to see the fuel level a little easier with the lines extending out into the cockpit a little. I would image that any markings on the white plexiglass will not show through the fuel line being so far away.
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Old 08-17-2018, 12:02 PM   #43
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Default Re: Hoenshell's Build

Hi Shawn.
Assuming that your post was made to draw comment?
" I would imagine that any markings on the white plexiglass will not show through the fuel line being so far away."
Leads me to wonder why 1/2" closer to your eyes is better than being able to have the markings magnified by the fuel when the tube is 1/2" closer to the placard. Might work pretty nicely if you were to put markings directly onto the tubes. Silicone tape that's cut into thin lines may wrap around your tubes and act as fuel level marks. Or colored sharpies.
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Old 08-17-2018, 12:11 PM   #44
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Default Re: Hoenshell's Build

Given the location of the fuel lines and obstruction 1/2" might make a difference, but I get your point. Regardless, I think I'm going to change my mind and make it where the tubes are flat against the white background and ultimately the fuel markings. Something like this.
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Last edited by Hoenshell; 08-17-2018 at 12:21 PM.
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Old 08-17-2018, 02:10 PM   #45
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Default Re: Hoenshell's Build

Also consider parallax. If the fuel hose is far from the markings, then where the fuel is relative to the markings will depend on the angle at which you're looking at it. It will be different from the right seat, or if you change seat cushions, etc.
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Old 08-17-2018, 03:29 PM   #46
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Default Re: Hoenshell's Build

I was thinking about this. Could you put a concentric reducer coming out of the so the hose is larger and then put some fuel proof ball in the hose so you can see where the ball is in the tube? Since the ball is larger tubing than the tanks fittings, it wont be able to get into the tank and block something important. It would just be stuck between the reducers
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Old 08-17-2018, 04:22 PM   #47
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Default Re: Hoenshell's Build

Im not so sure. My tubes are held onto the fittings with a clamp. This Pic shows nothing to secure the tube except the ridges of the barb. Totally possible it won't leak I suppose, but then why does Kitfox provide clamps?
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