unphorgettable
Newly Enlightened
- Joined
- Apr 29, 2004
- Messages
- 8
Hi Cy
First of all, good job on all your tailcap mods! Although I don't have any ARC flashlights, I've been following the switch threads closely because I was thinking about getting an Arc4.
However, regardless of how well your mod works, putting solder on the gold disc inevitably results in a high-resistance ohmic contact that would increase the apparent internal resistance of your battery as "seen" from the flashlight's head. (technical details omitted for simplicity)
The result is significantly lower performance because your light would either demand more power from the battery to maintain brightness and waste them as heat at the solder/gold contact, or simply have a lower output. There is a reason why the disc is made/plated in gold -- it lowers the resistance between the batt and the circuit.
First of all, good job on all your tailcap mods! Although I don't have any ARC flashlights, I've been following the switch threads closely because I was thinking about getting an Arc4.
However, regardless of how well your mod works, putting solder on the gold disc inevitably results in a high-resistance ohmic contact that would increase the apparent internal resistance of your battery as "seen" from the flashlight's head. (technical details omitted for simplicity)
The result is significantly lower performance because your light would either demand more power from the battery to maintain brightness and waste them as heat at the solder/gold contact, or simply have a lower output. There is a reason why the disc is made/plated in gold -- it lowers the resistance between the batt and the circuit.
