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All Firefly and Stoplight owners.

dat2zip

Flashlight Enthusiast
Joined
Jan 5, 2002
Messages
3,420
Location
Bay Area
Please be aware that the inside diameter where the module sits is much smaller than the minimag or Brinkmann 2AA flashlight tube. As such, some modules with a slight tilt will result in a fit where the top of the module will not seat properly. This is a result of a too tight fit and the module can not tilt within the tube.

There is no tilt specifcation on the module and some tilt ends up in the MFG process. I can not afford to re-tool and look into expensive fixturing to make sure the modules are perfectly parallel to each other. The fact that the modules work fine in a 2AA flashlight and may not fit in a FF or stoplight is not a defective product from the shoppe.

I am getting returns and requests to fix modules for ff and stoplights and the returned module is fully functional and works fine in a 2AA flashlight.

The corrective action required is for you to file down the modules diameter slightly until the module slides in and the top is flush inside the head. The other alternative is to chuck the head in the lathe and increase the inside bore another 10 thous or so.

In addition, this imformation needs to trickle back to the creator(s) who made the ff and stoplight.

I have contacted DSpeck and he is aware of the problem and did see this to some extent when he made the full turnkey. He said in a few cases he had to file the nubs or diameter to make them work correct.

You cooperation and time reading this post is appreciated.

Thanks for reading this.

Wayne

PS This may not be in the correct location, and if you see other sections and discussions could you inform others in the appropriate threads back to this one so that we can get all the owners notified of this possible problem.
 
I noticed the same problem with the CNC 123 and a BB400 LUX III. The solution to the problem was a gentle application of some 220 grit sand paper. A little bit at a time untill the sandwich drops right in.
 
A "tilted" module may not only adversely affect grounding/functionality. It can drasticly impair heatsinking of the LS to the head! A small needle file, or better yet diamond file or sandpaper as Roy suggests works fine. "Sneak-up" on it so as to not risk cutting any board traces near the board edge!

Larry
 
My sammies from three different boards (MM, MM+, BB) fits right in firefly w/o any tolerance problems. It's a sliding interferance fit.

I know the sammie is all the way in w/o tilt, if I can insert the locking clip.

I have noticed those same sammies drop right in a maglite a little looser fit than firefly. They work just fine on both.

The mag lite pill I just received from lamda has a sliding interferance fit in the mini mag. After a few on/off cycles It works perfect too. I have not tried the mag pill in the firefly yet. It probably will need light sanding to fit firefly.

No big deal.... thanks for the notice.
 

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