MatchBox Instruments HF-R Ti Mods

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CRX
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MatchBox Instruments HF-R Ti Mods

MBI HF-R Ti Nichia 219C 4000K 90CRI - 10440 - Rotary Tail & Mo Side Sw - Rechargeable - 620lm.Nichia 219C 4000K 90CRI emitter
12mm Copper DTP MCPCB
ARC glass
OP reflector
Five Mode Resistor Driver
Lighted Momentary DD side switch
Switch Position Locators
Red 6mm x 1.5mm tritium vial

Length - 101 mm
Width - 14 mm
Weight - 49g (With 10440 cell)
Max around – 620lm OTFMBI HF-R Ti Nichia 219C 4000K 90CRI - 10440 - Rotary Tail & Mo Side Sw - Rechargeable - 620lm.

MBI HF-R Ti runtime graph:

MBI HF-R Ti runtime graph:

.

MBI HF-R Head & Tail construction:The original resistor values in the switch are:
92A – 887Ω
201 – 200Ω
150 – 15 Ω
5R1 – 5.1Ω
0 – 0Ω

Body parts modified.

USB Charging Module & Lighted Momentary Side Switch built into the 10250 extension piece.

Switch Resistor Changes & Modes:

Momentary mode – 620lm
92A – 887Ω to 1Ω – 210lm
201 – 200Ω to 2Ω – 142lm
150 – 15 Ω to same – 28lm
5R1 – 5.1Ω to 200Ω – 2lm
0 – 0Ω to 887Ω – 0.5lm

USB Charging Current - 250mA.

MBI HF-R Ti Nichia 219C 4000K 90CRI - 10440 - Rotary Tail & Mo Side Sw - Rechargeable - 620lm.

.

Other modded versions:

MBI HF-R Ti MT-G2 P0 5000K - 2x10250 - Rotary Tail Sw & Mo Side Sw - 1260lm.MBI HF-R Ti MT-G2 P0 5000K - 2x10250 - Rotary Tail Sw & Mo Side Sw - 1260lm.

MBI HF-R Copper Nichia 219B - 10250 10440 - Rotary Tail Sw - 450lm.MBI HF-R Copper Nichia 219B - 10250 10440 - Rotary Tail Sw - 450lm.

MBI HF-R Ti Nichia 219C 4000K 90CRI - Glow Reflector - 10440 - Rotary Tail - 500lm.MBI HF-R Ti Nichia 219C 5700K - 10440 - Rotary Tail & Mo Side Sw - 660lm.MBI HF-R Ti Nichia 219C 5700K - 10440 - Rotary Tail & Mo Side Sw - 660lm.

Edited by: CRX on 11/24/2019 - 06:31
Persechini
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Always the coolest builds

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vwpieces
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Wow, Nice work. That is an ODD one. Like a resistor fan SW.
Consider a Pot in the tail?

CRX
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Nice idea, probably could but I do prefer set modes as opposed to variable output.
Taking this one apart has given me some ideas for future builds though Wink

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I think something may be going on with Guy from MBI. He hasnt been online for a while and his website is down since a few days. 

 

Cyzan
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Can I ask what size wire is used in the hf-r. Or what size you used if you replaced it.

CRX
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Possibly 30AWG & 28AWG.

djozz
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Another monumental build! Very nice work CRX!

I do not understand everything that happens though, your pictures without words always make it quite a tough puzzle to work out eveything that is going on.

CRX
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I thought pictures spoke a thousand words! Big Smile
I know, I’m bad for that but it makes people think about it a little Evil

I think I did the MT-G2 mod first then the other emitter swaps and then seeing what I could eventually pack into the tiny host.

I basically swapped resistor values, changed them around so the switch works the opposite way, upgraded everything and built in a lighted side switch.

Then I also added a tiny charger unit into the 10250 cell extension piece which also has the lighted momentary side switch. very useful that one.

So, the longer version ended up with built in charging and a momentary lighted side switch.
The copper version was a repair job & new emitter.
The short Ti version has a shortened rotary switch and GITD coated reflector.