PVC MR16 Flashlight.

speedywheelz123 · Sep 8, 2012

Hi, I am new to custom flashlights and want your opinion on a conceptual flashlight I want to make. So my plan is to make a flashlight out of 2 inch pvc and an mr16 bulb. I will use a 6 watt (supposed to be 500 lumen which i doubt). The mr16 bulb will hopefully (carefully) be glued into a coupler that joins with the pipe which does have an inside diameter of 2 inches (the same as mr16 bulbs). My main concern is that the pvc will either melt or cause the bulb to overheat. It is only 6 watts so idk.

DUQ · Sep 8, 2012

Interesting idea. I would suggest that you use CPVC since it has a higher MAWT (max. allowable working temp.) than PVC. 140F for PVC and 200F for CPVC.

speedywheelz123 · Sep 8, 2012

Yes the plan is to use a heat withstanding pvc. So I take the led emitters should be fine with out a full heat sink body.

jason 77 · Sep 9, 2012

speedywheelz123 said:
Yes the plan is to use a heat withstanding pvc. So I take the led emitters should be fine with out a full heat sink body.

They might not be. What LED emitters are you looking at?

Gunner12 · Sep 9, 2012

If you are using LEDs, use a copper tube, since LEDs will cook themselves and die if not heatsinked well (assuming high power LEDs). If its an array of 5mm LEDs, then you'll be fine.

DanglerB · Sep 9, 2012

Copper tube or pipe as used in plumbing might work a lot better than PVC, it isn't so much that 6W is a lot, its that it has to have someplace to go and PVC doesn't dissipate heat well.

speedywheelz123 · Sep 9, 2012

I was thinking that the pvc wold be a problem as it wont heat sink well (Or at all). The specific bulb I am using is
[h=1]LED Dimmable 6w LED Mr16 Flood 45 Soft White Light Bulb[/h]But I will prob go with copper pipe, besides its much more bad ***.

PVC MR16 Flashlight.

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