hydraulic triggers

[Wallabing]

I've been studying on tank mounted machine guns and I see they use hydraulic triggers. How do they work? I suppose they just compress some liquid medium down a tube? Can hydraulic triggers be used in bullpup style guns?

[fritztkatt]

Don't see why you couldn't use a hydro line for a bullpup. Might make the best bullpup trigger after the w2000...

Didn't know tanks used hydro, I thought they used a solenoid like the UGWS marks/50s.

[AreWeFree]

A hydraulic trigger would likely be mushy, you wouldn't feel the sear, it'd be more expensive/harder to maintain, and be the same pull weight as a non-hydraulic trigger.

It would certainly be neat, but it's complicating something that doesn't need further complications.

http://hyskore.com/wp/2010/12/13/hydraulic-trigger-release/

[Merc1138]

Yeah, I don't see why you'd want to unless you had a situation where a linkage(made with solid components) between the trigger and the sear was unfeasible, which isn't the case for the trigger in a bullpop since there's no movement between the sear and the trigger where a hose would be necessary to allow for the two to move independently. You'd be making an already generally crappy trigger feel worse, while needlessly over-complicating it(you would need something to return this hydraulic trigger forward again to fire the next round as well, without making the trigger pull garbage).

[Peter.Steele]

Yeah, I don't see why you'd want to unless you had a situation where a linkage(made with solid components) between the trigger and the sear was unfeasible, which isn't the case for the trigger in a bullpop since there's no movement between the sear and the trigger where a hose would be necessary to allow for the two to move independently. You'd be making an already generally crappy trigger feel worse, while needlessly over-complicating it(you would need something to return this hydraulic trigger forward again to fire the next round as well, without making the trigger pull garbage).

This.

You could probably get a much nicer-feeling and crisper trigger out of a solenoid with a switch. You'd have to be clever with the springs though, to get the same feel of taking up slack then breaking the sear. It'd be doable though.