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Height of Stern Light?
kamie
#21 Print Post
Posted on 06/13/07 - 6:40 AM
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Thanks Tom,

I placed the order.

 
kamie
#22 Print Post
Posted on 06/18/07 - 6:38 AM
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I got the tube and I am waiting for the light assembly.

This weekend I was playing with the height using my boat hook as a test light. Dave is correct the regs indicate 1meter above the red/green lights. Measuring from the deck to the top of the gunnals is 18 inches, which means the light pole should be a total of 57 inches assuming the measurements are done to the bottom of the light. If the 1 meter includes the height of the light, then the total length of the pole is 55 1/2 inches. Past the 53/54 inch range the light is running into the stern cleats, although it's possible to work it back between the wires and the gas lines.

This is all assuming that you don't have to account for bow rise when measuring for lighting. Does anyone know if that is a true statement? The regulations didn't indicate anything other than height above navigation lights. They also didn't indicate height above things like, outboards, standing humans or sun tops.

 
Tom W Clark
#23 Print Post
Posted on 06/18/07 - 7:13 AM
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Kamie,

Of course you need to account for bow rise. The stern light needs to be one meter highr than the bow lights WHEN THE BOAT IS FLOATING IN THE WATER.

 
kamie
#24 Print Post
Posted on 06/18/07 - 9:19 AM
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Tom,

Do the rules apply for the bare hull or with the heaviest engine possible?
Even acounting for the difference, I think this turns the stern light pole into 5 foot length of pipe which is still doable to store although shorter is better for storage.

 
kamie
#25 Print Post
Posted on 06/25/07 - 2:34 PM
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I measured the difference between the bow and the stern with the boat floating and got 8 inches. So the stern light pole needs to be 60 inches long in total. This will put the light 1 meter above the Nav lights when the boat is in the water.

I will keep you posted on how the construction goes.

 
kamie
#26 Print Post
Posted on 07/31/07 - 4:08 PM
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I have almost finished the stern light. I used teak to make the washer and a 1 1/4 inch dowel that I then glued and nailed together. I drilled two holes thru the SS pipe to insert #8 x 3/4 inch screws to hold the top section in the pipe. The total length of the pipe is 60 inches although I am actually going to shorten that by 3 inches to 57 inches. That makes to light a total of 61 1/4 inches high when you factor in the the 3/4 inch thick washer, the 3 inch high light and the 1/2 inch rise for the teak block that the light sits in.
Evenstar

Light - Perko P/N 0371DP0CHR
Pipe from McMaster Carr - P/N 89995K62
Teak - leftover scrap

If the teak doesn't hold, I will have a 2 1/4 inch washer of Stainless Steel welded onto the pipe and drill / tap for screws to hold the light fixture on.

 
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