Question about Set Triggers.

[TN.Frank]

I'm pretty much use to double set/double phase where you can either pull the back trigger and set the front for a "hair" trigger or just pull the front trigger and have a "normal" trigger pull but I just did a swap with a guy and I'm getting a really nice longrifle with Single Phase Set triggers. From what I've read in the Dixie Catalog you must set the triggers for them to work at all by pulling the rear trigger then that'll make the front trigger the "hair" trigger like in a double phase only there's no option for just pulling the trigger. From the way that it looks like it works could I simply push forward on the rear trigger to trip the sears if I wanted to bring the rifle down from full or half cock to uncocked? It looks like that's how it'd work. Thanks in advance for any help ya'll can offer. :hmm:

 

[MikeChapin]

That's what I have done on those rifles with single phase triggers I've had.

 

[LRB]

In many cases, the trigger has to be set in order to cock the hammer. I am not sure, but they all may be that way, unless someone has done some careful adjusting. I have not handled many guns with this type of trigger. You should be able to swap them out for the double action type if you want. On old guns the single action type was often used with a lock that has no fly, and the trigger bar holds the sear out of harms way when shooting. In this case, it would have to be set in order to cock the hammer. Since most locks today have a fly, I suppose the trigger can be adjusted to work in a more conventional manner, and possibly do as you describe, but I think you would be better off with the double action type.

 

[TN.Frank]

From what I've been reading if the trigger group has a Backlash screw it can be adjusted so that you can cock the hammer without having to set the trigger, other wise, likes been said, the trigger engauges the sear and stops it from coming into battery with the tumbler so the lock can neither go into half cock or full cock unless the trigger is set. I'll check it out when I get it and see if it has a backlash screw or not. As long as I can cock it without having to set the trigger I'll be ok, I generally always use my set trigger even with a double lever style where you can fire the gun without having to set the trigger. :hmm:

 

[Zonie]

IMO, if a rifle with a single phase set trigger cannot be placed into half cock, or fullcock without setting the trigger, something is wrong with the trigger assembly blades height. It should be reduced so that it does not contact the sear arm when it is in the unset position.

The single phase set triggers I've seen are basically the same as the double set triggers in all respects except the forward trigger does not have a "blade" which can contact and release the sear.
The forward trigger only has the trigger sear tooth to engage the rear, powered set trigger.

There is no reason for the rear trigger's blade to contact the sear arm when it is not set. It is powered by the same type of spring and releases the same as the double phase trigger assembly.

As for releasing the hammer from full cock or half cock, TN.Frank is correct. It can be done simply by pressing forward on the unset rear trigger.

Zonie

 

[TN.Frank]

There IS a reason for the blade of the trigger to contact and depress the sears, in locks without a fly in the tumbler you want the sear totally depressed so that it'll not contact the half cock notch when you fire the gun. This means that the sear will have to push on the sear with force to keep it from catching either the half or full cock notch until the trigger is set. Here's what I read on TOW's site about triggers. [url] http://www.trackofthewolf.com...catId=14&subId=156&styleId=706&partNum=TR-500[/url]
"this is a single lever double set trigger. It must be set. It cannot be fired, until set. Made without backlash, you may add a backlash screw behind the rear trigger, if desired. With no backlash, you must set the trigger before you cock the lock. Many original rifles were made this way, to eliminate the need for a “fly” detent in the lock’s tumbler."

 

[Zonie]

TN.Frank: You are correct about the locks without flys but I only see one lock offered in TOTW that doesn't have a fly. That lock is the First Model Brown Bess Musket lock.

I suppose if someone had a gun with an old flyless lock on it they would want the sear depressed while firing it. If, however, the lock has a fly I can see no good reason to have the sear held in the released position when the set trigger is uncocked.

Zonie

 

[WV_Hillbilly]

I see that you've already got the answer to your questions, but wanted to add something.

Be very cautious when switching from double phase type to single phase type of set triggers. It can cause you to fumble around trying to get your shot off and miss a fine animal or misplace your shot.

How do I know...? 'cause I had to happen to me. I got rid of the danged single phase gun, just to keep things consistent. For hunting, I'd personally rather have a good adjustable single trigger than having a gun with a single phase style set trigger.

If you choose to use (or own) both types, you just need to make sure which you're using at that particular time. I have enough to think about when hunting to stay safe, without adding another factor... but this might only apply to me. So have what works best for you.

Regards, and shoot safely!
WV_Hillbilly

 

[TN.Frank]

This is the only gun that I have now with a set trigger. Funny thing, both triggers have a lever but only the rear lever trips the sears, strange isn't it. Also, it has a backlash screw so I can cock the lock without having the trigger set most of the time. Sometime it won't cock but generally it will. I had to do a bit of work on the lock to tweak it a bit, it would go off of full cock when you pushed the hammer forward. I got that fixed along with a couple other little things, made a new ramrod for it, ect. I've still got a couple small things to work on but it's a very nice looking gun all in all. I'll post a couple pics in a new thread. Thanks for all of your help. :thumbsup:

Photo server is down, maybe I can get the pics on the site tomorrow.