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Old 06-30-2013, 03:05 PM   #21
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I bow to the gentleman with the toothbrush cleaned bilge. A thing of beauty. My sight glasses are glass tubes. I'm thinking the Captain with the white reflective tape might have the winner for me. My glasses are in a corner where there is little light. Adding reflective tape behind and shinning it with a flashlight should do it. The flashlight by itself won't do it. Thanks to all the great input.

Dick
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Old 06-30-2013, 05:58 PM   #22
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A contributing factor in the loss of the HMS Bounty was a broken sight glass on the day tank which drained the tank causing the generator to quit. I haven't been closing the valves but I think I'll start.
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Old 06-30-2013, 07:00 PM   #23
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Shoalwaters, you have given me a couple of good ideas with those two pictures. Thanks
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Old 06-30-2013, 07:49 PM   #24
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Originally Posted by captrigney View Post
A contributing factor in the loss of the HMS Bounty was a broken sight glass on the day tank which drained the tank causing the generator to quit. I haven't been closing the valves but I think I'll start.
I used to close mine all the time, but it's such a PITA that I have stopped... I know... I might start again though.

OP--- Is the tube faded and old? Mine were in horrible shape and I couldn't see thru them either. VERY brittle too! I just replaced my plastic tubes a few weeks ago. Pretty easy job on Skinny Dippin' and now they are easy to see.

Tom-
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Old 06-30-2013, 11:21 PM   #25
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You don't say if the fuel is dyed or not but either way, a backplate with diagonal black stripes will help a lot.
The fuel in the tube acts as a lens and the angled stripe changes its orientation very visibly.
That's a cunning idea...make use of parallax...
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Old 07-01-2013, 03:40 AM   #26
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Spring loaded valves are common on commercial vessels

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Old 07-01-2013, 07:04 AM   #27
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Automatically closing valves are a requirement. They are not optional.

Round tube type sight glasses are no longer approved at all. A flat glass is required along with self closing valves. Many installations now use a sealed metal tube with a magnetic float that causes a little flap that is white on one side (for no liquid) and red on the other to "flip" and indicate liquid as the magnet passes. As the level changes the other direction, the little flaps change color accordingly.
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Old 07-01-2013, 06:39 PM   #28
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Here a nice fix for hard to see sight tubes take a bright colored yard stick and mount it behind the tube in your line of sight. You kill to two problems at once and daily running logs are easier to do.
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