Back in Black - SST-90 4D Maglite "Shower Head" Aspheric build.

Updated the first post. It works! Sort of.........

very nice project,nice mod you did with the drivers.

Very interesting idea regarding the LED on copper: reminds me of a Led Lenser H7 knockoff I pulled apart a couple of days ago, the leads were wired on the bottom (XR-E) and the center of the LED was pressed (no solder) onto a central plateau.

If you could find a way to electrically isolate 3 pieces of copper while still allowing them to shed heat-easily you could potentially have a quick and easy way of making direct copper bonded LEDs… something like this would work well for isolation and heat transfer: http://www.e6cvd.com/cvd/page.jsp?pageid=309&prod=16 might get a pit expensive though :wink:

Are there any real benefits to in increasing heat conductivity to the cathode and anode of the LED?

I wished I had your skill.

Very impressive.

Its looking really promising. You will be in trouble when the people who were talking about the bright light find out who it is. Looking forward to your night shots.

Looking forward to your beamshots OL!

ha, loved the comment about the neighbours commenting about the light - can’t get a better complement than that! Some of my neighbours told me they thought aliens had landed in my garden one night when I was doing beamshots. They seemed disappointed when I told them it was just some of my lights :slight_smile:

Depends on the led as far as electrically isolating. The crees and the SST don't have to be isolated, at least on the center strip that the die is on. That's where the majority of the heat comes from. I think I remember that the SSC leds had to be isolated on the die plate. As far as the +/-lead strips, I don't worry about heat dissipation from them. Maybe I should, but I don't think it's needed.

There are a few cree XML leds out there, on a copper star, but not too many.

LOL! I love that last bit about shining it on the garage door! I once did something similar with a SST-50 in a homemade reflector driven at 7 amps.

My house is painted with chalk - I think you call that whitewashed in the states - and I just walked 10 meters from the wall and pointed the light directly at the wall, think 90° directly, and turned that thing on! I nearly dropped the thing. Ha ha. Still makes me laugh when i think about it!

Anyway I just wanted to say that so far it sounds really impressive. I've never had me one of those SST-90's to work with so I've no idea about how nice they are. But I sure do look forward to some beamshots.

“lumens”, Your a beast! Nice work!

New photos at the bottom of the First post.

A couple teaser beam shots in POST #35

The real beam shots, for distance, will happen Saturday night, if it don't rain...

Wow.

Nice work OL.
That shower head reminds me of an exhaust on a motorbike.

never mind the amazing searchlight beam that will scare doggers for miles around, I’m just trying to figure out what’s reflected in that aspheric. Looks like a clock next to a balloon on the ceiling. I’m very intrigued!

It’s a clock and a magnifying lamp with a plastic bag over it. On the bottom is a fan grille.

thanks! I can stop thinking about that now :slight_smile:

Great mod Old-Lumens! Seems like a really bright light and probably throws like no one’s business.

Do you think rechargeable D cells would work well for the light?

Probably would work fine. 4 of them might be too much, but 3 and a dummy cell would be a start, then add the fourth if needed.

SaWeet! That pond never looked brighter!

Wow…we’re not worthy! Great stuff, as usual.