Skylight's entry to the 7th BLF Old Lumens Contest 2019 - modified light category [Matainvoy ML18S FINISHED, video added]

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Skylight
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Skylight's entry to the 7th BLF Old Lumens Contest 2019 - modified light category [Matainvoy ML18S FINISHED, video added]

I’m glad to enter this year in the new modified light category of the seventh BLF Old Lumens Contest 2019.

Description of the project

I would like to fit the 18 led MCPCB and optics of an Astrolux MF01S inside a Convoy L6. I will mix LH351D 90 CRI 4000K and 5000K leds on the board. The flashlight will be driven by a Lexel Anduril driver. Also I’m planning to put an aux led board from Lexel underneath the MF01 optic.

The host

The host is a Convoy L6 clone from Wainlight, bought on Taobao. Apart from the brown color there is no difference to the real Convoy L6, completely the same host. So I will refer to it as Wainlight L6.


Material

Here you can see the material that I have so far:

The MCPCB and optics have been ordered from the Mateminco store on Aliexpress (Link).

The LH351D’s are from AEDe’s group buy here on BLF.

What I already have:

- Wainlight L6 host
- MF01S copper MCPCB
- MF01S optics
- 9 pcs LH351D 5000K 90CRI

What I will need:

- 30mm Lexel Anduril driver (arrived)
- Sofirn Q8 switch (arrives soon)
- 9 pcs LH351D 4000K 90CRI (arrived)
- MF01 aux led board from Lexel (arrived)
- Copper or aluminium for a spacer (arrived)

Preliminary suitability check

These are some teaser pics of what the finished flashlight will look like. The PCB is empty and has been put inside the L6 to see how it works out. Note that the PCB and optics of the MF01S fit the L6 like a glove, as if they had been made for it. You need a spacer underneath, though.

Comparison of the unfinished modded Wainlight L6 with Convoy L6 and Astrolux MF01S

Mod details will be added to the posts below. Stay tuned!

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

Edited by: Skylight on 02/28/2020 - 19:46
Skylight
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Timeline

  • November/December 2019: Collecting ideas for a modded light
  • End of December 2019: Elaborating a parts list and taking fotos
  • January 8, 2020: Posting an entry thread for the BLF Old-Lumens-Contest
  • January 21, 2020: All parts ordered and on the way
  • February 5, 2020: All parts have arrived
  • February 9, 2020: Soldering springs
  • February 12, 2020: Reflowing leds and soldering wires and springs
  • February 19, 2020: Building a model spacer with coins and sawing the copper
  • February 21, 2020: Soldering the copper spacer
  • February 22, 2020: Preparing the switch and thick copper wires for the spacer
  • February 23, 2020: Preparing the copper spacer to fit and assembling the flashlight with copper spacer, switch and wires
  • February 24, 2020: Putting in the MCPCB and aux led board and connecting the last wires
  • February 25, 2020: Making the aux leds work
  • February 25, 2020: FLASHLIGHT IS FINISHED, it will be called Matainvoy ML18S
  • February 28, 2020: Adding GITD tape and taking beamshots

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

Skylight
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Step-by-step summary of the build

First step: Choosing the host

Second step: Ordering all parts

Third step: Reflowing the leds

Fourth step: Building a spacer

Fifth step: Connecting driver and switch

Sixth step: Assembling the flashlight

Seventh step: Troubleshooting

Eighth step: Taking fotos and beamshots

I called my modified flashlight ‘Matainvoy ML18S’. The name is a combinations of the three brands and flashlight that I combined for this build. The host is a Wainlight L6, which is the same as the Convoy L6 and I needed one in brown color. The optics and MCPCB is from the Mateminco MT18S, also known as Astrolux MF01S, but I took the first three Letters of Mateminco as I got the parts from the Mateminco store.

I made a video showing some aspects of the building process in 5x to 10x time lapse so that it doesn’t go for one hour but only 12:29. There is no audio but only background music. Here it is (also in post# 42) :

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

pinkpanda3310
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Very cool mod Skylight Thumbs Up Glad to see you join the comp with this build Beer

Agro
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Interesting mod. Smile

Skylight
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Thanks, Agro and pinkpanda3310. Blushing

I still need some more material and may start the actual mod only in February.

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

man of light
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Good idea and nice pics Thumbs Up

How will be the mcpcb thermally connected to the head body?

.. .-.. --- ...- . ..-. .-.. .- ... .... .-.. .. --. .... - ...

G0OSE
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Glad to see you entering! Thumbs Up we have actually got a good few entries now Smile

Skylight
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man of light wrote:
Good idea and nice pics Thumbs Up

How will be the mcpcb thermally connected to the head body?

Thanks, man of light.

The MCPCB will sit on the small rim (1-2mm) just below the glass. Of course that is not enough for good thermal performance and so I will cut a 35mm copper rod to the right length (3-4cm) to have a spacer. I will have to drill a hole in the middle of the spacer for the cables.

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

Skylight
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G0OSE wrote:
Glad to see you entering! Thumbs Up we have actually got a good few entries now Smile

Thanks, G0OSE. In the beginning there where even more prices than participants. Crazy

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

MRsDNF
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Welcome to the club Skylight. Thumbs Up

 

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.

 

CRX
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Cool, great to see you enter Thumbs Up

- LEDs & Other Stuff -  - UI CheatSheets -  - CRX Mods & Builds -  - Stuff for Sale -CRX Hand Made FlashlightsThe only place that fear can exist is in our thoughts of the future.
It is a product of our imagination causing us to fear things that do not presently and may never exist. Fear is a choice.

MascaratumB
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Gonna be a wall of light? Silly
Now I’m also curious with the beam of this Wink

[REVIEWS] ACEBEAM: H20 / TK16 /// AMUTORCH: S3 / S3 vs 219c / AM30 / AX1 / VG10 /// BLITZWOLF: BW-ET1 /// BRINYTE: T28 /// DQG: AA Slim Ti /// FIREFLIES: ROT66 GEN II /// HC-LIGHTS: SS AAA /// KLARUS: XT1C /// LIVARNOLUX: 314791 /// LUMINTOP: Tool AA V2.0 + Tool 25 /// NITEFOX: UT20 / ES10K / K3 /// ODEPRO: KL52 / B108 /// OLIGHT: M2R Warrior /// ON THE ROAD: M1 / i3 / M3 Pro /// ROVYVON: A2 + A5R / E300S / A8 /// SKILHUNT: M150 /// SOFIRN: SF14 + SP10A / SP32A / SP10B /// WUBEN: TO10R / E05 / T70 / E10 / TO50R / E19 /// XTAR: PB2 Charger ///

Tricks: 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 /// TIR Lenses: 1 / 2/// Others: Biscotti 3 + 1*7135 / Triple TIR w/ XP-G2 ///// My Collection ///// My Review's Blog (PT)

OL Contest 2019

GIVEAWAY: 1 / 2

Skylight
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Thank you, MRsDNF and CRX. Smile

MascaratumB wrote:
Gonna be a wall of light? Silly Now I’m also curious with the beam of this Wink

It should be quite a bit floodier than the SST20 in the MF01S and maybe brighter.

I will for sure compare it to my SST20 4000K MF01S. Cool

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

pinkpanda3310
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I guess you’re still waiting on parts since you were a bit of a late starter?

Skylight
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Thank you pinkpanda3310 for the reminder. Wink

I just updated my first post. Here is a quick summary of the current status:

1) The LH351D’s in 4000K are about to arrive.

2) I have ordered the 30mm driver and MF01 aux led board from Lexel. I may get it in early February.

3) Some copper rods with 16mm and 20mm driver that I already have will be cut to length and used for the spacer along with a 6mm thick copper plate (on the way).

4) I don’t know where my Sofirn Q8 side switch is currently, maybe it shows up in time. If not I will recover a switch from another flashlight.

5) The hot plate for reflowing will most likely arrive too late so the hot air station will be used once again. Maybe with a new MCPCB and fresh soldering paste it will not be too difficult to melt. Reflowing seven leds at once is already a challenge, just figure with 18 leds…

I expect to start the build in the first week of February. First I will fit the spacer, then reflow the leds and finally solder the PCB, switch, aux leds and driver and assemble everything.

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

CNCman
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Nice design Skylight, Thumbs Up
We are excited to see more pictures.

CNC & Manual Machinist. Think outside the box too long , cannot find your way back in.

Never give up, Never surrender. Make someone Smile today.

Skylight
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Thanks, CNCman. Smile

There will be many pictures as the mod proceeds.

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

Skylight
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UPDATE: All the parts and some modding supplies have arrived now! So let the modding begin! Party

These are the things I have been waiting for. Note that the hot plate for reflowing has arrived shortly after I posted that I don’t expect it to arrive in time. Big Smile

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

YogibearAl
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Interested/following this build. With the size and ability to soak up heat on this L6, I’m hoping this would be an ultimate turbo run time monster. The MF01S is nice in a small size, but turbo run time is lacking.

Skylight
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Thank you for following, YogibearAl. I assume that the turbo runs longer with the copper spacer I will use but the total runtime will be less than the MF01S.

Here are some more pictures and a complete parts lineup. Only the Sofirn Q8 switch is missing.

Also, the batteries that I will use in this flashlight have arrived, the Golisi S43 with 30A continuous discharge rate.

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

MascaratumB
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Oh boy, I wish I was so “clean” preparing to mod Big Smile It would make my life better Silly

Great that the components arrived! I am really curious to see how this light will shine Evil
Good work Wink

[REVIEWS] ACEBEAM: H20 / TK16 /// AMUTORCH: S3 / S3 vs 219c / AM30 / AX1 / VG10 /// BLITZWOLF: BW-ET1 /// BRINYTE: T28 /// DQG: AA Slim Ti /// FIREFLIES: ROT66 GEN II /// HC-LIGHTS: SS AAA /// KLARUS: XT1C /// LIVARNOLUX: 314791 /// LUMINTOP: Tool AA V2.0 + Tool 25 /// NITEFOX: UT20 / ES10K / K3 /// ODEPRO: KL52 / B108 /// OLIGHT: M2R Warrior /// ON THE ROAD: M1 / i3 / M3 Pro /// ROVYVON: A2 + A5R / E300S / A8 /// SKILHUNT: M150 /// SOFIRN: SF14 + SP10A / SP32A / SP10B /// WUBEN: TO10R / E05 / T70 / E10 / TO50R / E19 /// XTAR: PB2 Charger ///

Tricks: 1 / 2 / 3 / 4 / 5 / 6 / 7 / 8 /// TIR Lenses: 1 / 2/// Others: Biscotti 3 + 1*7135 / Triple TIR w/ XP-G2 ///// My Collection ///// My Review's Blog (PT)

OL Contest 2019

GIVEAWAY: 1 / 2

man of light
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Nice pictures and thorough preparation. Thumbs Up
I wish you everything fits as planned, I’m really looking forward to the result.

.. .-.. --- ...- . ..-. .-.. .- ... .... .-.. .. --. .... - ...

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Neat idea! Looks like it should perform well and make it all worthwhile. Look forward to beam shots…

Skylight
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MascaratumB wrote:
Oh boy, I wish I was so “clean” preparing to mod Big Smile It would make my life better Silly

Great that the components arrived! I am really curious to see how this light will shine Evil
Good work Wink

Thanks, MascaratumB! Almost half the work is needed for the pictures but that’s worth it.

I have started the mod now when others have already finished but I think I will make it in time. Wink

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

Skylight
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man of light wrote:
Nice pictures and thorough preparation. Thumbs Up I wish you everything fits as planned, I’m really looking forward to the result.

Thanks, man of light! The mod is in progress, more pictures coming soon. Party

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

Skylight
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DB Custom wrote:
Neat idea! Looks like it should perform well and make it all worthwhile. Look forward to beam shots…

Thanks, DB Custom! Maybe it will inspire others as well because I like the combination of L6 and MF01S.

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

Skylight
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I have done a few more things in the last few days.

- Soldered double BlueSwordM Gen3 silver plated BeCu springs on the tail switch board

- Changed the black switch cover to a white one

- Reflowed the 18 LH351D’s to the MF01S MCPCB

Some fotos before the reflow with clean board


Applying the solder paste and placing the leds


After the reflow



Some leds are not placed perfectly but they are not too far off. I had to widen the holes a bit to make the legs of the optic fit.


The last picture shows the special tool used for widening the holes on the MCPCB without damaging the led domes Cool . Big Smile

- Soldered 18AWG wires and double BlueSwordM Gen3 BeCu springs to the driver board


Next thing to be made is the copper spacer.

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

Skylight
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Look what has arrived on last Friday: my Sofirn SWITCHES: Shocked

You don’t see any switches? Well, me neither! Wink Big Smile

But seriously, I won’t complain at all about getting BLF Q8 drivers instead of switches. That’s a nice surprise and an incredibly good deal because I always have good use for those drivers.

The only problem remaining would be that I need a switch for my build. So I thought I will take the switch out of my Sofirn C8F host and see if I can get the green and red indicator leds to work with Lexel’s driver. It would be awesome to get a red switch when the battery is low.

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

CNCman
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Looking Good “ Skylight “ Thumbs Up
Cannot wait to see more Big Smile
I like the 18 gauge wire, some of my lights need that too.
Also you have a sweet hotplate too “ UYUE 946-1010 LED Display Preheating Platform “ Thumbs Up
.

.

CNC & Manual Machinist. Think outside the box too long , cannot find your way back in.

Never give up, Never surrender. Make someone Smile today.

Skylight
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Thank you, CNCman. Cool

Yes, the hotplate works well and is definitely needed for soldering a 300g copper spacer. Crazy

My Youtube channel: Alllightson Reviews

My 7th Old lumens contest build: Matainvoy ML18SBuilt video

My reviews: Sofirn SP31 V2.0Nightwatch NI40 StalkerSofirn C8F 21700Brinyte WT01 ApolloSofirn SD05

My Youtube video-reviews: Brinyte WT01 Apollo, Sofirn SD05

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