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1/23/2003 6:48:35 PM EDT
I've been thinking about this alot lately.  How could you efficiently design an electronic trigger for a semi-auto?  Bolt guns are quite a bit easier, and Remingont has one on the market, but the action of a semi is so violent (AK) that I'm having trouble figuring it out.

I'm almost thinking that a push solenoid w/ spring return(.5" travel) that mechanically strikes a false 'trigger' might be the best way.  You could fit the solenoid back behind the trigger inside the receiver (might poke out the back, but that's OK for this application), and below the path of the carrier.

Can anyone think of some better ideas?  I'm no rocket scientist, so there must be something better...my idea sounds too crude.  A solenoid can't strike the firing pin itself, because it would require too much power, the travel of the solenoid piston would need to be huge (read: long solenoid), and the flying carrier would wreck the entire assembly.  

Ideas?

take care,
Tec
1/24/2003 4:32:57 AM EDT
[#1]
feinwerkbau, walther and morini offer electric triggers on some of their smallbore and air rifles and pistols.

on a semi auto, the solenoid could be fitted in the carrier and used as a firing pin striker. carrying the current to the solenoid thru contact strips might pose a challenge.

a trigger actuated solenoid could also be used to release the hammer.
1/24/2003 4:40:29 AM EDT
[#2]
I'm a hunter and looked at those Remingtons a year or so ago.  I decided against getting one for a few reason, but primarily for the same reason my father-in-law won't ever purchase a car with electric windows: just one more thing to break.
1/24/2003 7:46:37 AM EDT
[#3]
I'm one of those guys who doesn't like electronic windows OR SEATS:)  In a bullpup, I think electronic trigger a necessary evil, so it's a tradeoff.

The carrier is an option, but it would require quite a whack from the solenoid to setoff the primer, and I'm worried that the carrier has too much movement to keep the solenoid in good shape over the life of the rifle.  I never even thought about the power problem, but yes, that's another good point with that idea.

Somehow I need to use the spring to provide most of the whack, and just use the solenoid to release the stored energy of the spring.

take care,
Tec
1/27/2003 12:55:37 AM EDT
[#4]
I'm quite sure there is pretty much NOTHING you can think of that has not already been designed and played with.

But short of Star Wars, laser bean particle energy beams kinda far out stuff there really are a lot of directions that gun makers COULD very easily go with if there was a real need and market for it

For one thing if you want electronic fire control then get rid of the stone aged idea of smashing a primer with a little punch and heavy friggen hammer blow cause that is the way we are still doing it! WHY?  I don't know, it certainly is not for lack of patents and ideas!

For instance we have not needed conventional primers for decades!  All that is needed a tiny electronically fired detonator built into the case of each cartridge ... a zillion different ways to design that but basically two contact points and when the trigger (a switch really) s sends a high voltage charge similar to a car's ignition system, the charge is detonated and the bullet flies ... the perfect trigger? It could simply be that as you pulled the trigger back two holes align allowing an infrared beam to hit the pick up sensor and "KA BOOM" there never was ANY mechanically held sprung lock that needed to be disengaged ,,, that is the crap that crap that expert gunsmiths are always trying to smooth out so things let go with the minimum little jerk as the locking mechanism lets it go ... that has not been needed for decades!  Light, magnetics ...  anything but this clunky mechanical SMACKING stuff would be an upgrade ... but we love our locks and springs and hammers too much I guess.

Actually I would think that the ultimate FIREARM (so we don't get off into particle beam discussions) would NOT use self contained cartidges .. that is a waste of a whole bunch of irregularly shaped brass that is just thrown away ... and friggen gun powder is not much bang for the bulk .. not buck, I said BULK

Some ...other proplellant stored in high pressure quick change cartidges similar to big CO2 cylinders could hold enough liquid energy to propell hundreds of bullets down range!  And the bullets on high buck military weapons could be teensy tiny depleted uranium rounds so that no energy is lost and the bullets would be just as heavy and therefore as stable in the wind as they are now BUT two hundred rounds might fit in a magazine the size of a 30 round M16 magazine now!  And I am just thinking why not but the propellant AND the projectiles in the SAME magazine!  So each magazine is good for 200 rounds in a full COMBAT magazine ... and yes it would be HEAVY!!  But each squad member would have the equivalent to an M60 if needed!  That's FIREPOWER!!  Just take some assign some of GM's fuel injection engineers of Boeing's rocket propulsion guys to take existing injection metering technology to put your propellant behind the slug at the right time and use existing firearms gas cycling systems ... I would want to see part of the gun's gas used as a teensy high volume compressor to provide an air"spring" to move those bullets through the magazine passage as it pushed then up into the feed ramp area where the bolt is grabbing the next one off the top similar to what we have now. Basically you have a "maze" of smooth precision machined channel laid out kinda like the lines you wait in to get on a Disneyland ride ... and "piston" with an identical contour as the bullets is pushed by the gun's self regulated compressor feature so that there is always identical "spring behind however many rounds are left in the magazine (digitally displayed on top by your sights like film in a camera of course)... that "piston" could be sealed with materials like Mazda uses to seal it's RX engine's rotor which is not round like a piston, yet manages to seal for combustion almost as good!

If any of this sounds good it is but I can assure that there is  patent for ever bit of it and I would be amazed if much better has not already been prototyped ... it is full OBVIOUS just looking around at everything else in the world that we have been WAY behind with firearms technology because for whatever reasons we may or may not understand .. it has not been "needed"

Personally I love this old stuff!  But I would never be fool enough to think that it has not already been improved 100 times over on paper at least.  And if someone produced a generation of weapons like that of which I spoke and made them available at competitive prices, then NO ONE having used one could honestly say that they were still served better with this old stuff ... every army and police agency that could afford it would literally be forced to upgrade to it by the sheer overwhelming RIGHTNESS and logic of it!  If they did not they would be like an army or police agency that in this day and insists on using muzzle loaders!  So like I said there is some reason like money or world necessity that keeps it from happening but it is NOT for lack of existing technology, designs or patents .. trust me it is ALL THERE and folks are laughing at things they read of as "advancements" in our present gun industry

Doug  
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