ScallywagII
Well-Known Member
In preparation for extended cruising I wanted to fit a bright masthead tricolour. Some sealed units were available at a frightening price, so I opted for an aquasignal unit and replaced the bulb with a 50 LED tricolour unit. 3.5W for a brighter light than the 25W incandescent bulb does wonders for the electicty budget. In order to line up the coloured LEDs with their respective coloured lenses, a spider type light fitting was included. The lifetime of the bulb is claimed to be 50,000 hours.
View attachment 16509
After 200 hours the light failed, firstly the green and white dropped out and then the next night there was no red either. It turned out there was nothing wrong with the bulb, but the replacement holder was the problem. I bought another and had it sent to Cape Verde, but the holder on the new one was broken. After a clean up, it did last across the Atlantic but fell apart soon after. My next e-mail to the chandler was returned because their inbox was full. Fortunately I had kept the original bulb and holder and had them sent to St Lucia. I then dropped the mast, modifed the holder to align correctly and put it up again.
It would have been a lot easier and cheaper to fit a NASA unit, but I was not aware of them at the time. If you have one of these replacements, test the holder with a magnet. If it is mild steel like mine, it will rust and it will fail.
View attachment 16509
After 200 hours the light failed, firstly the green and white dropped out and then the next night there was no red either. It turned out there was nothing wrong with the bulb, but the replacement holder was the problem. I bought another and had it sent to Cape Verde, but the holder on the new one was broken. After a clean up, it did last across the Atlantic but fell apart soon after. My next e-mail to the chandler was returned because their inbox was full. Fortunately I had kept the original bulb and holder and had them sent to St Lucia. I then dropped the mast, modifed the holder to align correctly and put it up again.
It would have been a lot easier and cheaper to fit a NASA unit, but I was not aware of them at the time. If you have one of these replacements, test the holder with a magnet. If it is mild steel like mine, it will rust and it will fail.