BLF Interest List: 3rd Gen Extreme High Current Beryllium Copper Silver-Copper Plated springs and SST-20s FD2 95CRI below BBL!

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BlueSwordM
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Back on a network that doesn’t block imgur.

Wouldn’t that defeat the whole purpose of not soldering a wire to a spring?

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

contactcr
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Maybe he means extruded as a single piece, but doesn’t seem like something the machine could do?

Barkuti
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External spring bypass. Somehow or other, that is a spring bypass sorry to say.

By the same principle, a solid copper conductor spring could be designed to couple with a proper elastic material spring like steel. Somehow or other again, for this to work practically the coils would need to be soldered or spot welded at the base and the top somehow.

 

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Barkuti
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BlueSwordM wrote:

And with pure copper surrounding the steel spring wire, it would result in a catastrophic plastic deformation from the copper, since the copper would need to compress as far as the steel spring would do.

The copper spring could also be on the inside, and so the more resilient steel would protect it from damage.

In my experience doing inner coiled wire spring bypasses, which is more elegant but also more tricky than outer, when properly done they're long-lasting. By the same principle an inner copper spring head connected to an outer steel spring would work fine. Pretty sure.

 

DavidEF
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Is it possible to design a steel spring and a copper spring/coil to be used together as a set in a way that would protect the copper coil from plastic deformation? Also, for me anyway, if it will compete with a large/small pair of BeCu springs, then the steel spring must be coated some way to make it easier to solder. And, with the added complexity, would it be significantly cheaper than a set of BeCu springs?

The Cycle of Goodness: “No one prospers without rendering benefit to others”
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Sidney Stratton
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Modded Q8 with inner coiled copper (~ .040” / 1 mm) and outer nickel steel spring. Capped with brass terminal lugs. Soldered beneath the caps and puddled at base.
Gave very satisfactory results.
Tedious work and if done again, would counter coil the inner part (not to bind in compression state).

Much easier and cleaner w/ BeCu. Also, my experience with silver, excellent solderability.

Barkuti
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Yeah DavidEF came and explained better my prototype idea, but as BlueSwordM says it would probably only work well with a multistrand wire conductive spring.

In my experience with multi-strand coiled copper wire the plastic deformation once set it doesn't gets any worse. I also do not think a spring coiled single conductor copper wire would break, but it would make such a sorry nag of a spring in terms of stiffness that the steel spring would certainly have a hard time pulling it.

So well, better keep devising properly elastic conductive alloys. Innocent

 

Barkuti
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Sidney Stratton wrote:

Modded Q8 with inner coiled copper (~ .040" / 1 mm) and outer nickel steel spring. Capped with brass terminal lugs. Soldered beneath the caps and puddled at base.
Gave very satisfactory results.

Dude! The idea works!

 

Innocent 

Sidney Stratton
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@ Blue;

Just checked my Q8 and the springs are just as stiff and resilient.
The copper is pushed back by the steel spring as they are held together via the brass cap.

As I had said, much work involved. BeCu with silver coating much easier (and excellent solderability).
And I’m just a tinkerer…

Sidney Stratton
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It does not beat nor have the science as your endeavor.

At the time, the only option was an ugly multi strand by-pass.

I had done one such with pure silver stranded wire – what a mess as silver has a creep with the solder (think soldering wick, but much more capillary).

BlueSwordM
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Wait, pure silver wire?

That’s expensive.

And does it pose the same problem as a copper wire bypass?

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

Sidney Stratton
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Well it isn’t gold! (mine is in leaf form – not convenient at conducting).

Have a few odds and ends in the shop. Had some platinum once – used it as a heater.

As for the copper coils, they do get compressed. What did you imply by “lower and lower” ?

Besides, my rudimentary set-up for tailcap measurement gave 17 amps with the stock XPL-2 and Q30s in the lamp. I may try out your springs to see the gain.

Sidney Stratton
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My idea is the copper is the primary conductor, the nickel steel spring to sustain the mechanical load.
Visually, the tailcap looks very much as I had made some year ago.
I could take it apart and compare to my original posting, but I rather wait til I have your gen 3 springs as I may try them.
The trick may lay in the soldered cap, this retains the copper coil. These coils were just wound around some mandrel, I believe some 5 turns and had the ends loop flat. The caps were presoldered and the nickel steel spring was fluxed with an acid (something laying in my soldering pastes drawer). The base is completely puddled in solder. A very good mechanical connection.

Some have posted 20 and some amps on a Q8 (to be taken with a grain of salt). But with my phone’s lux meter and a conversion factor that I derived from a known flashlight, I got some 5700 lumens (on turn on). I’m happy with the results.

BlueSwordM
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Anybody can still enter the BeCu spring GB BTW.
It’s not nearly done yet.

People can still enter for the best spring design yet.

We are at:
571 Large BeCu Silver+Copper plated springs
507 small BeCu Silver+Copper plated springs

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

Agro
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Sidney Stratton wrote:

Modded Q8 with inner coiled copper (~ .040” / 1 mm) and outer nickel steel spring. Capped with brass terminal lugs. Soldered beneath the caps and puddled at base.
Gave very satisfactory results.
Tedious work and if done again, would counter coil the inner part (not to bind in compression state).

Much easier and cleaner w/ BeCu. Also, my experience with silver, excellent solderability.


That’s pretty much what I meant.

Copper doesn’t need to hold the strength on its own, when they are joined together at the top and at the bottom steel should push it up.
And no, double BeCu won’t be nearly as conductive as that.
1 mm copper wire (AWG18) has 50% better conductivity than 0.8 + 1 mm BeCu (w/out extra coating). Furthermore removing coils should reduce the conductor length. And…without tight coils I think that conductor could be thicker.

BlueSwordM
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OK guys.

I’m going to ask the manufacturer if this is actually a good idea or not, and we’ll see what they say.

I already know the answer, but might as well ask someone which perhaps has more practical experience than us.

If they say it’s good, then I’ll just not order the large spring, and use this steel+copper spring array.

If not, well…

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

contactcr
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Just seems like you guys are getting closer and closer to something like this:

BlueSwordM
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We are at:
596 large BeCu springs
532 small BeCu springs

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

BlueSwordM
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We are at:
621 large BeCu springs
557 small BeCu springs

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

BlueSwordM
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Preliminary specifications:

Spring upper diameter: 6,25mm
Spring base diameter: 9mm
Spring thickness: 1,0mm
Spring height: 12mm
Total number of coils: 5
Plating: Copper(25um) + Silver electroplating

Small spring:
Spring upper diameter: 4,25mm
Spring base diameter: 5,70mm
Spring thickness: 0,8mm
Spring height: 10,5mm
Total number of coils: 5
Plating: Copper(20um)+ Silver electroplating

We are at:
621 large BeCu springs
557 small BeCu springs

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

Barkuti
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Source: https://giphy.com/gifs/southparkgifs-3o6Zt4gdNsj11l7Eje

Just had an hypoglycemia, saw BlueSwordM's location and T & P came out in my mind. Fully naive joke. Innocent

 

Barkuti
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Out of topic again if you don't mind, but now that I'm in let me say I also find this pretty funny:

 

Source: https://www.mallorcadiario.com/supremacismo-blanco-no-piadosos-nazarenos

The Semana Santa is just a religious tradition, but certain foreigners seem to look at it in a different way.

Mmmkay, enough with the off topic.

 

Smile 

 

retrolite
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I would like 70 large springs and 30 small springs.

BlueSwordM
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Added to the list.

We are at:
696 large BeCu springs
592 small BeCu springs

https://docs.google.com/spreadsheets/d/1U45ldp-VtJP2GsH8e8xiqKa8nVI2hTYB...

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

BlueSwordM
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So, we’ve got some confirmation for the final specs.

Large spring:
Material: Beryllium Copper C17530 38% IACS
Spring upper diameter: 6,50mm
Spring base diameter: 9mm
Spring thickness: 1,0mm
Spring height: 12mm
Total number of coils: 5
Plating: Copper(25um) + Silver electroplating

Small spring:
Material: Beryllium Copper C17530 38% IACS
Spring upper diameter: 4,35mm
Spring base diameter: 5,80mm
Spring thickness: 0,8mm
Spring height: 10,5mm
Total number of coils: 5
Plating: Copper(20um)+ Silver electroplating

Will probably be ordering the springs soon.

Just post your interest here, and I’ll get you on the list as quickly as possible.
If needed, PM for large quantities of spring orders so we can discuss more about it.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

BillyBobJoe
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I would like 10 large and and 10 smalls. Are these doable for a beginner?

BlueSwordM
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Yes, that’s the nice thing.

They are extremely easy to solder to.

That’s one of the main driving points of using these.

Added to the list:
https://docs.google.com/spreadsheets/d/1U45ldp-VtJP2GsH8e8xiqKa8nVI2hTYB...

We are at 706 large springs, and 602 small springs.

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

flightless22
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Have you received the funds I sent you? I’ve never bought from you before and want to be sure you got it, payment message was my username, check the pm.

BlueSwordM
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Yes of course.

I put usernames+private names in an encrypted folder when I receive the payments.

I’m just waiting for the LEDs to ship now, as there have been delays regarding this.

Sucks compared rather than ordering from Mouser, but tint bin trumps everything.

In other news…

My very own high current Beryllium Copper springs Gen 3:
http://budgetlightforum.com/node/67401
Liitokala Aliexpress Stores Battery Fraud: http://budgetlightforum.com/node/60547

SamHaLeKe
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Sign me up please for:

1 large + 2 small for my Manker BLF A6 (will those work?)

1 large + 2 small for my Manker BLF X6 (will those work?)

1 large + 1 small for my Lumintop GT Mini (will those work?)

4 large + 4 small for my Lumintop BLF Q8

4 large + 4 small  for my Sofirn BLF LT1

8 large + 8 small for my Lumintop BLF GT

Total: 19 large + 21 small 3rd Gen BeCu springs please Big Smile

Beer

 

- SAM -

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