by olcoolone on Thu, 19 Jun 2008 12:51 +0000
Haven't seen this problem with Plus 50's yet but it might be the same as high powered globe failing early.
High power globes have a shorter life the standard globes because the filaments are made with smaller gauge wire and have more windings, the filament burns a lot hotter causing it the become more brittle and with the thinner wire and more windings it will vibrate and snap easier then a standard globe.
Plus 50's are the same except the filaments are much the same as standard globes in winding and thickness, the way the output is increased is by using higher temperature gases making the filament burn brighter.
You can get a Plus 30 heavy duty version that is used on a lot of trucks, the filament has a support leg that is connected to the middle of the filament stopping vibrations.
Regards Richad