I have been looking out for some time for a good waterproof LED lantern for use as a backup anchor light. I have a masthead one, but apart from that it doesn't hurt to have a second light hung lower - more in the line of sight of most small boats.
[/ QUOTE ] Maplin give no indication of the power consumption. I was rather disappointed with the one I bought from them about a year ago as it draws 0.25 amps from a set of AA batteries. The result is that if it is to be kept going at full output it needs a fresh set every night, or rechargeables and the means to recharge them. That's why I am now thinking of going for something, probably the Triton, that will run off the ships battery.
The half price offer has just expired.
Often wondered about the ones Coopers of Stortford sell Here
Often seem to be on a two for one offer but again they do not say what the power cosumption is at full output.
Nasa do an all round white anchor light. It has 32 leds and can be seen well in excess of 2nM. It draws 0.2 amps which they say is 90% less than equivilent incandescent. Bit more than 9 quid though. Got mine from an internet seller for £80.
[/ QUOTE ] This is something to look at if considering any camping lanterns. I looked at a 12 LED one in the local camping shop last year. the LEDs were arranged in four columns of three. It gave a good light level in four directions at 90degrees to each other but very poor in between.
No problem of course with those like the 17 LED Pifco one as the they are all in the base aimed at a conical reflector.
That's right, the best anchor lights use a Fresnel lens just like a lighthouse. You don't want a focused light for this application, you want a light that can be seen rather than one used for seeing, if you see what I mean!
Our anchor light uses an incandescent 6v 40Ma bulb which gives very low consumption together with a minimum of 2nm visibility through the Fresnel lens.
We are about to launch the LED version, but that is a 12v cabled light because a six volt lantern battery won't fire up an adequate LED cluster.
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Our anchor light uses an incandescent 6v 40Ma bulb which gives very low consumption together with a minimum of 2nm visibility through the Fresnel lens.
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It would be interesting to use your 6v lantern type as a base line when we do a proper evaluation of the Powerflare.
Have you compared it to either the Triton or NASA LED units?
OK so the nasa light still needs wires but the powerflare needs batteries. Expensive lithium batteries that last 100 hours when flashing and a lot less when all leds are fully on.
Not practical for a nav light.