Damn it's been a while....
This thing looks friggin amazing.
SgNerf: I was wondering if you could give us an idea of the size of the plunger tube. Is it similar to a longshot's? It looks smaller to me, but it's hard to tell, not having anything familiar for reference.
I may start up again, just to use this thing.
I really don't like the sounds of this, even if half this is true. It's probably just all speculation, but seriously? Tactical Shield? The fact that it takes 6 D batteries makes it likely too bulky to use in a war, and it most likely won't shoot far, likely operating on gears pulling back the plunger, therefore requiring a pretty weak spring as to not break the gears.
That's pretty cool. I bet you could squeeze more range out of it if you sacrificed the deployability and made the powerstock longer, and put in a piece of [k26] or something.
But this is pretty cool that you were able to do that while still keeping it collapsible.
I found a way to get around this whole etape dilemma. The E-tape kept slipping and ruining the seal. I decided to get rid of the need for etape. I cut down my plunger head like this (I removed all the etape first)
I then took a small drill bit and made a hole in the end of the big plastic nub in the middle of the plunger head that keeps it on.
I then made a washer sandwich out of two 1 1/4 inch metal washers and a 1 1/2 rubber one. This makes a perfect seal with the LS plunger tube. Goop your sandwich together. Make sure the rubber washer is centered with the metal ones. I then took the screw pictured and screwed the whole assembly together so it looks like this.
No ranges as of yet, but I would assume they are very good.
Note that no stress from the spring is being put on the washer sandwich. If you wanted to eliminate some deadspace and elongate the plunger stroke, you probably could, but use legit tapping bits. This screw in the drilled hole will only work if there is no stress on it.