Put some RED and WHITE striped tape behind the tube.
The gas level will reverse the stripes and you can see
the level, Virg
On 10/15/2012 9:03 PM, Mark Langford wrote:
> KRnetHeads,
>
> It's been kind of quiet today, so let me throw this one out there. When I
> bought N891JF, the sight tube was discolored due to age to the point that I
> could barely see through it. I updated it with new tubing from McMaster
> Carr, Tygon F-4040-A, which is what was used originally. The problem is this
> tubing is extremely yellow, and it wipes out the blue dye in the 100LL fuel
> to the point that it's like water. You can only see the dividing line
> (miniscus) of the fuel level, and that takes some searching most of the time.
> The easy solution would be to put a little ball of some sort in the tubing,
> and it would have to be 3/16" or smaller to freely float to the surface.
> Anybody have an idea on a source for something that would work for that job?
> Another option (but not as attractive as the floating ball) would be a clear
> tubing that's proven to work with fuel. Any ideas?
>
> Having seen three fuel level sensors fail on N56ML, I'm already a big fan of
> the sight tube thing, although it does mean "fuel in the cockpit".
>
> Before I hit the "send" button, it occurred to me...a cheapo electrolyte
> hydrometer would probably offer some balls that would work, but that remains
> to be seen (yes I would look up the density before I wasted the $3). Any
> other options?
>
> Thanks,
>
> Mark Langford
> ML at N56ML.com
> website at http://www.N56ML.com
> --------------------------------------------------------
>
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