Marine Beam make an LED specifically for this purpose. They make a Green, a Red and a Cool White. I fitted these some time ago and they work as advertised and are quite bright. I did have to slightly trim the inside edge of the plastic insert in the socket to get them to fit in properly. A couple minutes with a small sharp knife was all it took, and only with the Red & Green, the White went in with no issues.
http://store.marinebeam.com/bay15d-replacement-led-bulb- for-aqua-signal-series-40-50-55/ Ken Heaton & Anne Tobin S/V Salazar - Can 54955 C&C 37/40 XL - Hull # 67 Cape Breton Island, Nova Scotia On 11 August 2017 at 10:21, Bruce Whitmore via CnC-List < cnc-list@cnc-list.com> wrote: > First to Richard, who started this thread: > > First, identify the light. On our 1994 C&C 37/40+, ours lights are Aqua > Signal 41 series lights. 1 screw at the bottom will remove the lens. As > for the bulb, in these, they are specifically Aqua Signal brand labled, and > are 25 watt incandescent bulbs on the bow lights and 10 watt on the stern. > > The base is 1/2 across, but the pins are offset, one higher than another. > I don't know if this is an Aqua Signal brand thing going on, or if this is > a standard base for a similar automotive bulb number - does anyone know? > > I'd like to convert our lights to LED, as 60 watts of total power for nav > lights is 5 amps, and with LEDs, I should be able to drop that to 1 amp or > less - that in my mind is a huge difference for cruising overnight. > > Does anyone know the proper LEDs for accomplishing this, and at a > reasonable price? Yes, I understand if I put a bulb in that isn't > specifically designed for the light I may be deviating from the MFR > requirements and thus maybe causing an issue if there were to be an > accident. Still, it's better than running down a battery in my opinion. > > One other note - From everything I have read, red LED replacements should > be placed behind red lenses and green behind green lenses (rather than > using white bulbs). This is because the colored LEDs produce light that is > close to the same wavelength as the lenses, so the filter very little of > the light. > > Guidance anyone? > > Bruce Whitmore > > (847) 404-5092 (mobile) > bwhitm...@sbcglobal.net > > > ------------------------------ > *From:* Marek Dziedzic via CnC-List <cnc-list@cnc-list.com> > *To:* Richard Walter via CnC-List <cnc-list@cnc-list.com> > *Cc:* Marek Dziedzic <dziedzi...@hotmail.com> > *Sent:* Thursday, August 10, 2017 11:20 PM > *Subject:* Re: Stus-List changing stern light > > Consider mooring stern in, if possible, and work from the dock. > > Marek > > Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for > Windows 10 > > *From: *Richard Walter via CnC-List <cnc-list@cnc-list.com> > *Sent: *Thursday, August 10, 2017 20:35 > *To: *cnc-list@cnc-list.com > *Cc: *Richard Walter <sailind...@yahoo.com> > *Subject: *Stus-List changing stern light > > Ahoy! > > Bulb is out(?) in the stern running light. 1) what is the the bulb for an > OEM 1978 36-footer? 2) suggestions for swapping the bulb while we're in the > water? I'm thinking of taping the frame, etc. to the transom to try to > minimize dropping pieces overboard. 3) wait till the boat's on the hard? > > Thanks, > Richard Walter > s/v INDIGO > _______________________________________________ > > This list is supported by the generous donations of our members. If you > wish to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > wish to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > >
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