Second Generation Silver Plated High Current Beryllium Copper Springs and 95+CRI SST20!

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BlueSwordM
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I’m aiming for 0,15$US for the lower performance springs.

Here’s the data for comparison:
1st gen nickel plated springs: 0,30$US
2nd gen silver plated springs: 0,39$US

3rd gen copper(50um)+silver: Slightly higher than 0,39$US
3rd gen copper(50um)+nickel: Lower than 0,39$US, but higher than 0,30$US

3rd gen budget phosphor bronze nickel plated spring: 0,15$US
3rd gen budget phosphor bronze spring copper(50um)+nickel: 0,19$US

4th gen large BeCu C17500 copper(60um)+Silver: Between 0,40$US and 0,50$US.

5th gen Ultimate spring(in the works): ???

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

alberto7
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BlueSwordM wrote:

3rd gen budget phosphor bronze nickel plated spring: 0,15$US
3rd gen budget phosphor bronze spring copper(50um)+nickel: 0,19$US

measurements?

oweban
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Fingers crossed they arrive soon Smile Finally got the rest of my MF01 going, it’s spring time!

Pwsmith
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I’d be interested in buying some of the new batch of springs when they are available.

BlueSwordM
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No problem.

@Oweban and others, I’m sorry again.
Being delayed by Canada Post for almost 3 weeks, and my own mistake of forgetting my bag full of packages for 2 weeks delayed the packages by more than a month…
I’ve just had so much work these days, and I’ll be free starting May 25th, so I’ll be up full force.

I made sure I shipped everything last Friday. I also included some extra goodies to excuse myself over my mistake.

On another note, here are the Rev 3 spring specs.

Large BeCu spring(Rev 3.0):
Material: Beryllium Copper C17530 38% IACS
Spring upper diameter: 6,25mm
Spring base diameter: 9mm
Spring thickness: 1,0mm
Spring height: 12mm
Total number of coils: 5
Plating: Copper(25 um)+ silver

Small BeCu spring(Rev 3.0):
Material: Beryllium Copper C17530 38% IACS
Spring upper diameter: 4,50mm
Spring base diameter: 5,75mm
Spring thickness: 0,8mm
Spring height: 10,5mm
Total number of coils: 5
Plating: Copper(20um) + silver

Ultimate conical spring(Rev 5.1)
Material: Beryllium Copper Titanium C17550 60% IACS

That last one actually comes from one of the R&D centers of the spring manufacturer.
It’s a prototype alloy, from what I understand, having slightly less beryllium and a touch of titanium.
But its conductivity crushes C17530 by a long shot while having similar mechanical properties.

If we can actually get this in our springs, that would make them the absolute best.
However, the price would easily double, or even triple, according to the manufacturer.
Will stay in the R&D phase for now. Smile

So yeah, good news for absolute overkillers.
Had to erase this. Don’t want people getting hyped up over nothing.

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

Pwsmith
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You can put me down for 20 small and 20 large! Thanks!

BlueSwordM
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Excellent.

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

oweban
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No probs mate, these things happen Smile Totally understand. Hope things are going okay with work though.

BlueSwordM
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Work includes job and school, so you can guess which one has been giving me the most trouble these last 3 weeks. Smile
It’s school obviously. :/

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

WTF
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Mouser has three 4000k SST-20’s listed as new.

J5402, J4401 and J4402. Are any of these any good?

oweban
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WTF wrote:
Mouser has three 4000k SST-20’s listed as new.

J5402, J4401 and J4402. Are any of these any good?


402 is probably the bin you’d want; closer to BBL. 5402 has higher output.

BlueSwordM
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I haven’t asked Mouser yet.

And besides, you know Texas Ace has a nice source now?

I’ve asked him, and he said that it would be possible to get quite easily from his supplier.

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

Texas_Ace
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Yes, I have confirmed FD2 tint LED’s from a manufacture I work with. Maukka and djozz both tested them in a SST-20 thread somewhere.

Although there are not that many FD2 bin LED’s available and they could be sold at any time, once gone it is highly unlikely we will find more for some time.

This manufacture has been searching for anything below the BBL for months now and this is the best they have found thus far besides a few FA3 LED’s they got their hands on and are not giving up sadly. They plan to sell them in a light at some point.

Hoop
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BlueSwordM wrote:
BTW, copper powder is still very harmful if inhaled or blown up, as copper oxide power is quite reactive.

Copper is not particularly hazardous. You can look at the MSDS to see associated hazards.
BlueSwordM
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@Hoop, copper is hazardous in the form of a powder, like any metallic powder.

That’s what I was referring to, not copper itself.

I mean, it’s not beryllium levels of toxicity or any nickel salt, but it’s still dangerous, but not toxic.

Also, I would like to wonder why I actually wrote that copper oxide powder is quite reactive. Far from it.
I just meant that copper powder is reactive, like mentioned above.

It’s quite inert actually, and doesn’t react with living tissue at all.

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

Hoop
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It would be generous and helpful of you if you could hyperlink your more esoteric claims to supportive data on occasion, if it isn’t too much trouble.

BlueSwordM
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In relation to what, metallic powders?

No problem then. It’s just that in my laboratory work at college, our professors asked us to be careful when handling metallic powder, as not only would it be a mess to clean it, but they are flammable since they have extremely high surface area to air, but can also be inhaled, so we should always work under a fume hood.

http://jenike.com/files/2013/09/IJPM_Article_11.13.pdf

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

BobG
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I’m a toxicologist. This is a reliable reference for the toxicology of copper.

https://www.atsdr.cdc.gov/toxprofiles/tp132.pdf

It’s complicated, as Cu is both essential and toxic. As with all things, the dose determines the poison (Paracelsus).
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4942381/

In my view, and as Blue mentioned, just be careful in handling to reduce unnecessary exposure.

BobG
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I’d like to pitch in for 10 of each type of spring if that’s possible and not too late. If it is too late, no biggie. Thanks.

Hoop
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I’ll avoid snorting rails of copper powder going forward. Thumbs Up

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Hoop wrote:
I'll avoid snorting rails of copper powder going forward. Thumbs Up

Yeah, snorting L-ascorbic acid powder feels a lot better. Seriously. Innocent

 

Deleting a just published post causes the forum thread answer notification to fail. Thus, if you need to change your just published post, edit it. Thanks.

Please avoid fully quoting lenghty posts, namely with nested quotes. Trim quotes down to the essential. Helps with neatness and legibility. Thanks.

I recommend saying no to Covid vaccine. Listen to your soul. Innocent

WTF
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BlueSwordM wrote:
I haven’t asked Mouser yet.

And besides, you know Texas Ace has a nice source now?

I’ve asked him, and he said that it would be possible to get quite easily from his supplier.

Are you still doing the group buy?

TA’s post confuses me, it sounds like the led’s are not available.

Texas_Ace
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WTF wrote:
BlueSwordM wrote:
I haven’t asked Mouser yet.

And besides, you know Texas Ace has a nice source now?

I’ve asked him, and he said that it would be possible to get quite easily from his supplier.

Are you still doing the group buy?

TA’s post confuses me, it sounds like the led’s are not available.

Sorry if it was confusing. Basically the LED’s are available but they are not “reserved”. So they can be sold to someone else at any time. Once sold it is unlikely I will find more for some time.

So we should strike quick before they are sold.

trakcon
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Assuming prices similar to before, I’m in for 20 FD2’s.

shirnask
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I would be in for at least 20 FD2’s

Pavlo
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I would also get at least 10 FD2’s as well.

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I’m in for 20 SST20 FD2 if TA does the group buy instead of BSM. Cash

BlueSwordM
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So, guys and gals, now that I’ve shipped all orders, and reshipped some orders that were taking too long to ship, I’m ready for the 3rd gen spring groupbuy.

Here are the springs specs.

Large BeCu spring(Rev 3.0):
Material: Beryllium Copper C17530 38% IACS
Spring upper diameter: 6,25mm
Spring base diameter: 9mm
Spring thickness: 1,0mm
Spring height: 12mm
Total number of coils: 5
Plating: Copper(25 um)+ silver

Small BeCu spring(Rev 3.0):
Material: Beryllium Copper C17530 38% IACS
Spring upper diameter: 4,25mm
Spring base diameter: 5,75mm
Spring thickness: 0,8mm
Spring height: 10,5mm
Total number of coils: 5
Plating: Copper(20um) + silver

Because of the thick copper plating to give a large boost in conductivity, the spring is again quite a bit more expensive than even the 2nd gen silver plated version.

Now, we are at 0,46$US/spring.

Express your interest below.

Will make a 3rd thread for it soon enough, along with some sweet sweet FD2 SST-20s. Big Smile
Will also be making budget phosphor bronze springs, probably at 0,15-0,20$US/spring along with some new additions.

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

oweban
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BlueSwordM wrote:
Will make a 3rd thread for it soon enough, along with some sweet sweet FD2 SST-20s. Big Smile
Shocked
BlueSwordM
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Yeah, the Rev 3.0 springs are going to be the biggest upgrade yet, along with some good 4000k SST-20 FD2 LEDs.

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

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