Delayed ignition - The Outdoor Community
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post #1 of 8 (permalink) Old 06-06-2011, 10:11 PM Thread Starter
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Delayed ignition

I'm having delayed ignition issues with my pedersoli Jaeger flintlock rifle. it goes boom every time but just enough delay to throw my shot off. With a friends advice I did drill the touch hole to 1/16" it seems a little better but still the delay. I'm new to these flintlocks so any Help you guys can give me will be greatly appreciated. I am using English flints.
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post #2 of 8 (permalink) Old 06-06-2011, 10:34 PM
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Re: Delayed ignition

Are you slaping the side of the gun to get the powder to settle down into the breech area? I think your gun has what they call a patten breech which is smaller(like 36 cal size),make sure there is no oil in it,Ive used a sloted tip with a cleaning patch on it to keep the breech clean.

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post #3 of 8 (permalink) Old 06-06-2011, 11:56 PM
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Re: Delayed ignition

You may want to replace the liner with a "Hot Shot" liner. Also, check out this site:

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post #4 of 8 (permalink) Old 06-07-2011, 12:12 AM
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Re: Delayed ignition

Are you using real blackpowder or a sub for the main charge?

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post #5 of 8 (permalink) Old 06-07-2011, 12:49 AM
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Re: Delayed ignition

1. clean the gun of grease and oil before shooting
2. after pouring the charge down thye bore, rap the side of the gun once or twice with the palm of your hand. this helps sttle the powder into the flash channel. Powder grains should be visible in the touch hole, with a 1/16th, they should be falling through into the pan. IMO, 1/16 is far too big, but some folks like them that way.

3. a preciously small amount of 4fg in the middle of the pan

4. It takes a bit to work out the bugs and get used to a gun. Especially if you are new to rock locks.

The primary culprit is often too much prime powder in the flash pan.

There is a big debate about touch hole liners and whether they should be coned inside or outside and the size of the hole, or even if a gun should have a touch hole liner.

Most target shooters want a touch hole liner that puts a few grains of the main charge as close as possible to the pan. Coned outside doesn't do that, in fact removes the charge a couple millimeters away. In flint shooting, ignition can be as fast as .028 seconds. Any thing that adds time is the enemy of accuracy. Some guys "claim" their guns go off as fast with an outside coned touch hole liner, but can a human really tell the difference between .028 and .048 seconds?

Another cause is often sluggish lock time, meaning the fall of the hammer may be slowed due to dried grease, rough surfaces. even the main spring binding up against the inside of the lock mortise.

Pedersoli makes a pretty fair quality gun, but does have occasional issues with fit, etc.
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post #6 of 8 (permalink) Old 06-07-2011, 12:49 AM
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Re: Delayed ignition

On my GPR, I didn't enlarge the touch-hole itself, but drilled the inside a little wider and deeper to bring the main charge closer to the hole. I also "coned" (not sure if that's the right term) the outside of the touch-hole to sort of funnel the flash into the hole. No delays after that; just BANG!

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post #7 of 8 (permalink) Old 06-07-2011, 03:03 AM
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Re: Delayed ignition

On my Lymans I store them muzzle down to prevent oil collecting in the breach and I make sure to clean the breach chamber well before loading.

I drilled my touch hole liner a bit deeper like Quackmaster did allthough I left the outside alone.

The factory Lyman vent liners are a couple of threads too long as well. They noticably protrude too far into the breach chamber. You can actually see it with a strong light shining into the bore.

After drilling and shortening them I cannot percieve any delay now.
I want to try one of those white lighning vent liners.
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post #8 of 8 (permalink) Old 06-07-2011, 10:04 AM
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Re: Delayed ignition

Try changing the position of the flint (bevel up bevel down) or try a different size flint. Sometimes a lock can be making good spark but is not throwing the spark into the pan but forward of the pan. It takes longer for a hot spark to finally bounce into the pan and start ignition.
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