Reflection 3:

I have finally handed in the projects so now I can start the ideation process of my safety torch. So far this is what I have researched:

MEASUREMENTS:

LED 2-Cell D Flashlight Specifications:

Length: 10" (254 mm)


Barrel Diameter: 1-9/16" (39.67 mm)


Head Diameter: 2-1/4" (57.00 mm)


Weight with batteries: 23 oz. (674 g)

http://www.maglite.com/d_cell_led.asp

Batteries:

AA: 14.5 × 50.5 (diameter x height)

AAA: 10.5 × 44.5 (diameter x height)

http://en.wikipedia.org/wiki/List_of_battery_sizes


IDEATION SO FAR:

I really like these because they are relatively simple and they have ideal features like anti role bar around the head of the torch, non slip grig and shatter proof lenses.