The 4th Annual BLF / O-L Contest; MtnDon's Entry, Hand Made Class

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Rufusbduck
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I don’t think a regular integrating sphere will be able to measure it with another degree of confidence given the radial output and complete lack of any “beam” so there wouldn’t be other similar lights to calibrate from. Best comparison might be measuring some standard lights with diffusion caps for relative numbers but even then the actual lumen output measured could be way off. I think “best guess” will be as close as anything.

A while ago I tried to envision a way to make a chandelier bulb by illuminating a hollow Chrystal shaped diffuser but this would be an ideal way to do that or make illuminated costume jewelry. Somebody get rich and remember me. Cash

Three Tanna leaves to give him life, nine to give him movement. But what if he eats the whole bag?

Scott

MtnDon
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I was thinking it was a problem; more a subjective thing than objective with the equipment available.

I should note that all along the planning stage I was thinking 4 × 7135’s mightbe unneeded. DBSAR is quite happy with only 2 or 3 – 7135’s on his SRK lantern project.

Rufusbduck
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What’s necessary really depends on what you’re doing. I’d want more light in the OR than in my bedroom and more light for fine solder work than for cooking. For a lantern to while away the hours of a storm reading it may or may not need more. Chances are you’d be fine just sitting close enough to it.

Three Tanna leaves to give him life, nine to give him movement. But what if he eats the whole bag?

Scott

MtnDon
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This the the “while away the time” and not trip over stuff when the lights go out or when camping type of light. We have other assorted lights for detail work, etc. etc. Not having a super bright setting gives more of a guarantee the light will stay lit longer.

I’ve done a couple of ceiling bounce comparissons. I find they waste more light illuminating the ceiling and upper spaces. Also that doesn’t work outside. Facepalm

lostheplot
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great work I’m loving all the effort that goes into these hand made lights

sorry all images down
thanks photobucket

TexasLumens
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Very…VERY inventive! What a thought…what an execution of the thought. You hand building guys are just tough critters. Really enjoyed the read!!

Thank you for every image & share!! TL

Texas Lumens Website… http://www.texaslumens.com

WE LIVE IN THE LAND OF THE FREE ONLY BECAUSE OF THE BRAVE!

MtnDon
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For the heck of it I removed the heat sink and ran the light on high, maximum 1050 mA. After a half hour the metal lid where the heat sink used to be registered 22 degrees F higher than the room ambient temperature. Considering that a prior test on level 5 (525 mA) with the heat sink in place registered 20 F above ambient, I may leave the heat sink off for a cleaner look. Using the light around home and at the cabin in the mtns. I find myself usually operating on levels 1, 2 or sometimes 3. so heat is really not much of an issue.

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Nice. Haven’t been in here for some time. That’s one sweet mug-o-light you built there. Lot’s of different materials that had to be machined and brought together. Congrats Smile

Is this the first successful remote phosphor build here on BLF?

Rufusbduck
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It’s the first one I’ve seen and a perfect application. I didn’t even know it existed before.

Three Tanna leaves to give him life, nine to give him movement. But what if he eats the whole bag?

Scott

MtnDon
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Just a memo to state that if anyone has thoughts of playing around with a remote phosphor Arrow Electronics has some of the Chromalit products in their stock.

For the month of September they have free shipping with no minimum special going on. That’s limited to the USA for the no minimum part. International has a US$50 minimum to qualify for free shipping.

Phosphors link;

Rufusbduck
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Hmm, they also had the Ledil Cute-3 optic for awhile. I’ve been wanting to do something with an umbrella and this would be perfect, thanks.

Three Tanna leaves to give him life, nine to give him movement. But what if he eats the whole bag?

Scott

MtnDon
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Mug’O‘Light, Mk. II

Can’t leave well enough alone…. Wink

I had glued up an extra block way back there at the beginning. This one has the same walnut and padauk but has red oak in place of the maple. This afternoon I couldn’t resist drilling some holes I had marked out a few days ago. I may not have sufficient time to complete Mk. II by October 31. If I do I’ll nominate only one of these to be my official entry. I hope that is okay with the letter and the spirit of the official rules that permit only one entry per person. Anyhow here is the start….

The larger hole is space to be used for two TP4056 charger boards along with a heat sink that will cool to the outside of the mug. That is the biggest plan addition / change. I have some NCR18650, 3400 mAh cells I plan on using. That will give 85% of the capacity of the 4 Samsung 30Q’s I used in the original. That will still be plenty of run time and I don’t need the high drain of the 30Q’s in either of these. I’m also planning on cutting out another 7135 and using two. From what I have seen with Mk. I this should be quite adequate for the designated purpose.

I have a mini voltmeter thanks to Lazy-R-us, which I am going to try to add the Mk.I version as a modification to the original. It would be nice to know the SOC of the cells.

evolution….

CRX
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I like the idea with the charger boards & voltage meter.

Rufusbduck
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Good luck with MkII.

Three Tanna leaves to give him life, nine to give him movement. But what if he eats the whole bag?

Scott

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Rufusbduck wrote:
Good luck with MkII.

+1 here.

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

MtnDon
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Well, the MK2 version will not make it in time to be placed in the contest. So, we go with the original with a slight mod. Today I drilled one small hole, soldered two connections and placed a mini voltmeter inside.

The meter is on whenever the light is on. I did not measure the mA draw for just the meter. I meant to but forgot. So this is just a gap filler measure. The MK 2 version with the charger will also incorporate a mom-on push button to take the voltage reading. But it will have to be “just another” project to be (hopefully) completed in the next month or so.

Thanks for looking.

MRsDNF
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No pun is intended with this. Beer Smile

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

Rufusbduck
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The ultimate in clear ano.

Three Tanna leaves to give him life, nine to give him movement. But what if he eats the whole bag?

Scott

TexasLumens
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Just downright neat!!! We have pickle jars, peanut butter jars, all kinds of jars….. and now a light jar…WITH A HANDLE!!!! Just too cool!!!

Congrats on the build and thank you for letting us all watch!! Thumbs Up TL

Texas Lumens Website… http://www.texaslumens.com

WE LIVE IN THE LAND OF THE FREE ONLY BECAUSE OF THE BRAVE!

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Rufusbduck wrote:
The ultimate in clear ano.
MRsDNF wrote:
No pun is intended with this. Beer Smile

These two comments are priceless…. Both correct too!! Wink TL

Texas Lumens Website… http://www.texaslumens.com

WE LIVE IN THE LAND OF THE FREE ONLY BECAUSE OF THE BRAVE!

TexasLumens
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Just thought of this and had to….. call it “Mug O Lite”. Innocent TL

Texas Lumens Website… http://www.texaslumens.com

WE LIVE IN THE LAND OF THE FREE ONLY BECAUSE OF THE BRAVE!

southland
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Nice build.

4D
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Ok fellas , let me shed some incite on this ripped off material they call remote phosphor. its just a florescent yellow with blue laser or led.
any combination of yellow and blue makes white lite. The only challenge you may encounter is making sure you find yellow fluorescent pigment, paint or nail polish that retain a yellow glow under regular light and under uv light, most of the yellow glows green under uv. The second option , you could mix bright blue fluorescent(better with optical brightener blue) and a little orange fluorescent marker fluid with a uv purple laser. The uv laser shine on blue and orange fluorescent will make white glow also. In this case the blue glow substance replaces the blue laser and a little orange will complete the process. Its an order of operation, uv laser makes all the colors glow, follower by blue and green… in other word, uv laser can make blue substance glow blue, but blue laser cannot make uv or blue substance glow, blue laser can only make green, yellow and red substance glow. In conclusion you can use blue laser/led with fluorescent yellow or uv laser with blue and orange/yellow fluorescent substance. For some strange reason blue led/lasers are more expensive. The fluorescent yellow is also hard to find, but use your common sense and grab you a uv laser and take it to your local hardware to get some none green neon yellow. if the yellow glows green using your laser\led , then its not the correct yellow. green and blue neon substance will give you a aqua glow, not white lite…

DavidEF
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Welcome to BLF! So, are you saying that one could paint a clear surface with fluorescent dye and that would make it the same as a “remote phosphor” dome for all intents and purposes? Have you done this before? What brand of dye works best for this?

The Cycle of Goodness: “No one prospers without rendering benefit to others”
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MtnDon
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I have re-hosted and re-linked all the images in my build thread to resolve the photobucket no-show issue
No other changes.

MRsDNF
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Nice work MtnDon. I need a bit of your motivation.

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

MtnDon
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I kept putting it off, then was prodded by an old friend from back home saying he couldn’t see the images………..

MRsDNF
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Thumbs Up Smile

 

djozz quotes, "it came with chinese lettering that is chinese to me".

                      "My man mousehole needs one too"

old4570 said "I'm not an expert , so don't suffer from any such technical restrictions".

Old-Lumens. Highly admired and cherished member of Budget Light Forum. 11.5.2011 - 20.12.16. RIP.

 

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