Stopped by the shop last night to crack open the E-Mag and see what's inside. Snapped off a bunch of pics, but they're pretty dark (not sure why - they're usually not that bad). You can browse through the raw pics at http://matrixpm.com/~haveblue/tech/e-mag/ (yes, many pics contain a shameless 'plug' for Brush Fire Games)
Nitty gritty stuff:
Battery pack is rechargable - appears to be composed of 14 AAA sized cells. Label on the pack says:
AIRGUN DESIGNS, INC.
16.8V, 650mAH 0800
Microcontroller:
Atmel AT90S2313-4SC (sorry - it's SMT, not socketed), clocked with a 4MHz ceramic resonator.
Display:
The LED display is really cool - 8 char, 5x7 dots
No idea who makes it, but it's socketed, so replacement is a cinch. Has markings of:
HCMS-2912 E
0023P PHILLIPINES
Solenoid:
The core is basically held in place by a C-clip that I didn't want to remove (I was grateful enough to Dan for letting me pop the gun open - I didn't want to risk damaging it, as C-clips can be a little tricky to remove cleanly). By loosening up a screw and pushing the solenoid slightly out of place, I was able to catch a glimpse of some of the writing on the label. All I could see was:
etic Sensor Sys
Van Nuys, Calif
-15-75-26
Assuming that the company is Magnetic Sensor Systems, I did a quick search for them. What do you know, it turns out to be the solenoidcity.com that has been mentioned on the board various times. Digging a little through their catalog, it appears that this is precisely the one (in 26 AWG, I would assume): http://www.solenoidcity.com/solenoid/tubular/s-15-75p1.htm
I'll probably write up a bit about the guts later on, but there's a few interesting points about the gun that I'll make:
* The yellow pin shown in about the second or third picture that fits into the top of the foregrip is basically your on/off switch. It just pushes one of the battery contacts out of the way, which I feel is a rather crude method - I would have much preferred a switch.
* The trigger has a feel different from any other gun, as it uses a magnet rather than a trigger return spring. In most guns, you're used to the feel of increasing spring tension as you pull the trigger back, but the E-Mag is just the opposite - you need to apply the most force at the very beginning of the pull, as the top of the trigger is right next to the magnet buried in the top of the frame. This helps the trigger 'break' more easily, though the strange feel will probably require a bit of practice to become proficient with.
* The electronic/manual selector is just a stop, not a switch of any sort - if you have the gun powered up and have the selector in manual, it'll still be firing electronically (if you adjust the trigger magnet right, this is probably the best way to use the reactive trigger in electronic mode).
* The hall effect sensor (well, I'm assuming that's what it is) is a little bit temperamental - when I reassembled the gun, it had a little difficulty firing in electronic mode. I needed to tighten down on the sensor cover a bit (perhaps to shift it into place) to get it firing happily.
* Bottom of the trigger is very sharp - one of the guys apparently cut his finger on it...
* Grip frame feels a bit too long for me, but there's some airsmith up in Alaska that could probably shave it down a bit.
* Sear doesn't have the same old sear pin that we're used to from previous Mags - the sear pin has a threaded head and must be unscrewed and removed before you can separate the frame from the rail.
That's about it for now - hope this appeased someone's curiosity...
