Loneoceans GXB172 Driver Group Buy

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KnHawke
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Agro wrote:
BTW, RMM was able to sell his BST2 drivers which are quite similar for $25. And make a profit. So maybe he chose cheaper components or maybe he has a cheaper manufacturer.

Quite possibly the former, since I can do it cheaper locally for NZoom than China, but he’s in NZ and I’m in the States. The biggest cost of these drivers, aside from the 4 Layer board itself (can be anywhere from 3 to 5 bucks each), is not the Boost IC or even the Inductor, it is the 1210 Capacitors for the 202 version. Those run an easy 1.1 dollars each and this thing has 4 or more, while the driver IC is 3 and the inductor is another 3.
I’m no engineer, so I could not begin to fathom where to begin to find a substitute for the inductor, but I do have some idea of what could be possible for those caps.

rngwn
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Dropshipping maybe an option. If possible, just have the Chinese factory ship it to people in the list before shipping the rest for yourself to sell at a full price.

That might save a trip of freight and duties resulting in a lower preorder price.

nzoomed
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KnHawke wrote:
nzoomed wrote:
KnHawke wrote:
Exactly. Even though the same 100 units would be marginally cheaper for me to do locally (2600 at my shop), I’d still have to charge about 45 to 50 a unit because of the time and labor/testing involved, even if only to have a personal incentive to keep going.
Yes, good point. I think we need to feel out what people are prepared to pay. As it is, some feel $30 is too much, so would like to keep it at $40 or less. That is on even par with other drivers I see listed on mountain electronics and sandwich shoppe.

MTNElectronics I’m familiar with, Sandwich? Not at all hehe
Looking over what the GXB can do again, 7.24V@6.5A in 6V mode, 14.7V@2.5A in 12V mode.
That right there is what you get for the price of admission. The MTN Electroic booster can only do 6V and 4.2A at best, barely anything to an XHP70.2
While the end result seems marginal, the amount of parts and engineering involved to get that output AND keep the efficiency above 90% is much more significant. Also, these are premium drivers, likely the best of their class and probably will be for a very long time Wink

Too bad ya aren’t in the States, we could have probably talked turkey about getting these built locally so ya don’t have to deal with China, Taxes, Import Duties and who know WTF else. Plus, I would be able to have a personal hand in keeping a close eye on the production process.

I don’t think it would hurt to get quotes elsewhere but think the cost will be similar.
Some companies don’t charge for small smt components I see.

KnHawke
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nzoomed wrote:
I don’t think it would hurt to get quotes elsewhere but think the cost will be similar. Some companies don’t charge for small smt components I see.

May pay to do some research on them, they may stick it to ya elsewhere.
Anyhow, my quote is for the 20mm 6V version. Definitely good for those that want to have a pocket missile for those that wanna use a 70.2 with a single cell.

nzoomed
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KnHawke wrote:
nzoomed wrote:
I don’t think it would hurt to get quotes elsewhere but think the cost will be similar. Some companies don’t charge for small smt components I see.

May pay to do some research on them, they may stick it to ya elsewhere.
Anyhow, my quote is for the 20mm 6V version. Definitely good for those that want to have a pocket missile for those that wanna use a 70.2 with a single cell.

20mm would be great I agree.
Will see what more interest I get.

id30209
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Richard has just restock 17mm boost drivers

http://www.international.mtnelectronics.com/index.php?route=product/product&path=67_118&product_id=958

 

But still no real powerfull 4A 12V drivers...

Really looking forward to this GB

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Agro
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id30209 wrote:

Richard has just restock 17mm boost drivers


http://www.international.mtnelectronics.com/index.php?route=product/product&path=67_118&product_id=958


 


But still no real powerfull 4A 12V drivers…


Really looking forward to this GB


4A 12V?
XHP35 triple?
Mmmmmmm. Smile
id30209
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Agro wrote:
 4A 12V? XHP35 triple? Mmmmmmm. :)

That’s what GXB172 capable of...

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KnHawke
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id30209 wrote:

Agro wrote:
 4A 12V? XHP35 triple? Mmmmmmm. Smile

That’s what GXB172 capable of…

According to loneceans, his driver is capable of 14.7V and 2.5A at most in 12V mode

Watermanchris
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I will take 2 × 17mm drivers and 2 FET tailcaps please.

nzoomed
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Ok, just thought I would update the thread.
I still have not heard back from the manufacturer as they said they would be away until after the new year holiday, but the coronavirus has gotten in the way, so will give it another week to contact them.
I will ask if they are happy to split orders to each buyer, they may be happy to do this, will wait and see. It should be pointed out that if we do this, they will have no firmware installed and each buyer would need to do this which is more expense.

I will like to cap the price at $40 per driver, but will be able to reduce costs for each buyer if they order more than one driver.
I wont be able to make the order until all units are filled in. I’m hoping we can get most of the 100 units paid for so I don’t have to bear the cost for drivers I can’t move on easily.

id30209
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Thx for the update!

I'm considering to add extra piece to my order since FT02 2020 failed so miserably 

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1stein
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Refreshing the thread.
We are 2 weeks later, any update possible?

nzoomed
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They emailed me today to say they are back in action but have a massive backlog due to coronavirus.
Lead time is estimated to be between 60-75 days.

Either way, I wont be able to place an order until I get all 100 units filled in.
Do you think there is enough of us here to order around 100 boards?

id30209
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I haven’t count IN’s but i’d go with 3pcs. Most of the folks said 2pcs each.

If you could make a list would help a lot counting.

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nzoomed
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id30209 wrote:

I haven’t count IN’s but i’d go with 3pcs. Most of the folks said 2pcs each.


If you could make a list would help a lot counting.

Yes would be useful, if it was possible to pin the post it could be useful, but if im able to edit my first post still, i could put the list there.

TODDb
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What ever happened  to this? I'm interested in 17mmx1 and one FET tail switch. I've got a c8+ and M21A that I'd try it in. They are both currently sst40. I also have the FW21. I'm a noob so I'm buying for the opportunity of getting into some cool stuff.

Todd

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Question about manufacturability. I see folks mentioning PCB cost as up to $5. Have you considered panelizing boards and ordering long? I’m working on a basic 17mm driver, only a 2-layer board with lighter copper so it’s already cheaper, but by tiling several onto a larger panel (10×10cm can fit about 25) and ordering more panels, the price per driver goes way down and I’ll have stock for a long time. With the batch size I’m planning, my PCBs should end up costing under 25 cents each and assembly will be simpler and quicker since it only takes one paste, one trip to the pick-and-place, and one trip to the oven to finish two dozen drivers.

KnHawke
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sidehack wrote:
Question about manufacturability. I see folks mentioning PCB cost as up to $5. Have you considered panelizing boards and ordering long? I’m working on a basic 17mm driver, only a 2-layer board with lighter copper so it’s already cheaper, but by tiling several onto a larger panel (10×10cm can fit about 25) and ordering more panels, the price per driver goes way down and I’ll have stock for a long time. With the batch size I’m planning, my PCBs should end up costing under 25 cents each and assembly will be simpler and quicker since it only takes one paste, one trip to the pick-and-place, and one trip to the oven to finish two dozen drivers.

Already thought of that in my own quote, set up a panel of 5×5, 25 boards in a panel, still came out to a pcb cost of 4-5 dollars each, just so I could get more boards done in a single go within the SMT machine, add in the cost of the components and the actual manufacture, still 20-25 dollars per board in total.
Only time the cost could go down if if it goes from small volume limited production, to higher volume less limited. Which means I could purchase more components in volume.
Only uptick to this is that I got all local manufactures involved, from the PCB House, to the Printscreen, even the company I work with for the actual SMT assembly.

sidehack
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Local PCB house would be nice. I am an SMT assembly company but I order boards from about two time zones away.

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I will take 2 each 17mm and 20mm

 

 

nzoomed
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Just an update everybody, I have been in talks with an electronics manufacturer based in the US, he will be able to help produce these locally in the US and can do a slightly better price than what I could get out of china.
We need a minimum order quantity of only 50 boards of each type, which means we can get started with a run of either the 17mm or 20mm version of this driver once 50 units are filled in for one size.
My preference would be to get the 17mm drivers out first, but if we can fill in 50 orders, we can get on with them.

We are also looking at the tailcap boards, at this stage it might be easier for us to either supply the boards or put a kit together, will wait and see.

I will update this thread in due course to confirm price and ordering instructions. Smile

likevvii
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Wow, very nice.

I am super interested on how the process to order PCB + assembly. There are tons of information about order PCB boards only, but extremely limited information regarding the options to do PCB assembly. Like sourcing BOM if it is overseas, they use different components, etc.
I hope we can all learn how the process goes.

Could we do something like the LED4POWER drivers where the main board is 17mm and then use some kind of PCB extension to achieve 20mm?

rngwn
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Well, my Convoy XHP35 driver for FC-40 has finally given up the ghost so I’m considering one 17mm right now, would be nice if you can sell this with 17mm -> 22mm adaptor.

Edit: I need to spend the money elsewhere now, so I will have to make do with some spare drivers I have for now.

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Excellent! I will definitely be in for a couple 17mm.

rngwn
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likevvii wrote:
Wow, very nice.

I am super interested on how the process to order PCB + assembly. There are tons of information about order PCB boards only, but extremely limited information regarding the options to do PCB assembly. Like sourcing BOM if it is overseas, they use different components, etc.
I hope we can all learn how the process goes.

Could we do something like the LED4POWER drivers where the main board is 17mm and then use some kind of PCB extension to achieve 20mm?

http://kaidomain.com/S025087-KT02-17mm-to-20mm-Brass-Ring-Driver-Adapter...

Would be nice to have adapter included, but it’s not the end of the world otherwise. I think you can buy these separately.

mfrey
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In for two 17mm

JS93
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In for 2 17mm depending on price and shipping.

nzoomed
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Thanks for your responses.

I can confirm that the driver costs will be $30USD each. We should be able to bring this cost down slightly once we have all the upfront costs paid for with the initial order.
BLF member sidehack will be manufacturing the drivers in his facility.

So im not shortchanged through paypal fees, I will have to incorporate this into the shipping costs, at this point, doing rough calculations, im looking at $6 for as many as you can fit in a mailer in the US (since this is where they are being made and shipped from) international orders will be negotiated accordingly. For any members in New Zealand, I can have them ship to my address to save on shipping costs and I will forward them on.

Since it will take a while to fill in the orders and produce them, expect a few months before getting your driver.
The sooner we get the orders come in, the sooner we can get them out.
Once the first 50 orders are placed, we will be able to get on and start production.
Flicking through the past posts, we have a good 50 or so 17mm boards accounted for if everyone so far commits to their order.

I will message those in this thread who showed interest, we can get 20mm produced, but you might have to wait longer unless we get more orders filled for 20mm. 17mm is the priority right now, but we will be able to use the same parts on both drivers, we just need another batch of PCBs and stencils made.

Anyone who has not done so already, please send me a PM with your order and I will follow up with instructions.
Any preference with the configuration, let me know also, all drivers will have the 7070 inductor and default firmware settings, but if you want a different inductor, let me know and I will adjust the order.

id30209
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Sounds good.  Still need them...

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