Friday, September 30, 2016

Flintlock Lock No 3

FlintLock Lock No 3: 


Oct/07/2016:  Main Spring Construction, added below.
Oct/08/2016:  Grinding the Main Spring, adding the first bend.
Oct/10/2016:  Newer Tumbler, 4130 steel.
Oct/12/2016:  New Main Spring started, 1095 steel from AZ-Metals.
Oct/17/2016:  Main Spring Mounted.
Oct/18/2016:  Another Main Spring started.
Oct/19/2016:  Main Spring Installed.Full Cock, done.
Oct/20/2016:  Made Sparks!
Oct/21/2016:  Sear Spring Made, Oops, it broke last night just sitting on the coffee table.
Oct/22/2016:  Sear Spring Made #4, ALL DONE!

Jan/22/2017:  Updated parts.
May/7/2018: More pictures, Nick.



Note:
For those of you who think this cannot be done by you, let me tell you about the tools I have at my disposal.

1. Drill Press, this one is very inaccurate as the table keeps moving in various directions.
2. Belt Sander, work fine except the disk portion is missing.
3. Band Saw, wood only, works fine.
4. Piles of HF files, hacksaw blades, hobby files, all kinds of hammers and pliers.
5. Books & Internet, invaluable resources for "going back to school".

That's it folks.  Not much in the way of tools.  Determination is the best kind of tool.  Figuring out how to get the job done is the creativity part, the rest is play.



I decided to start a lock from total scratch, except the screws.
I have enough metal pieces to at least get started, minus the screws.
These are hand cut (think hacksaw) from the steel and filed (piles of metal shavings) to shape.

Here are two pieces so far.
Plate is 1/8 inch thick steel, unfinished.
Cock is 1/4 inch thick steel not formed but still in raw form.

I like these two patterns below as a point to start
Probably will be a combo of both plate designs, etc.



















Sept/30/2016

Starting Imagination















Seeing if it matches, so far.















Just playing with engine-turning. Yes it's crooked.
Bottom half of the cock is now thinned to allow for the cock stopping on the backing plate, someday.














Oct/01/2016

Pan attached, crudely, low-temperature plumbers solder.  The pan will get a lot of "trimming".
The frizzen is a too soft one with a piece of saw-blade riveted on and hardened.  Frizzen will be ground down to fit the pans width.



















Black sharpie marks where the flash guard goes and where brass will be removed.




















Black sharpie to mark trimming areas.



















Next: The tumbler and it's tool.  An old file can make a tumbler mill.
Various types and instructions here: Tumbler Mill types and tutorials



Oct/02/2016

Tumbler, Bridle.
Tumbler made ala "JACO" style, 3/16 inch thick plate with 5/16 shafting, roll-pinned together.
Tumbler inner shaft turned on the drill press with a file.
Bridle is 1/8 inch thick sheet steel.  Screws are 6-32US.
Frizzen screw is 8-32US.




















Oct/04/2016

Added:
Cock (hammer), tumbler.
Tumbler screw is 4-40.
Hammer/flint screw is 6-32 socket head.




















Bridle, beginnings of the sear.  Sear will be made from old pliers handle, drop-forged steel.
My initials and year: "PTB '16".




















Oct/05/2016

Fuzzy picture, sorry.
Sear handle finished.  Sear notches and sear nose will not be finished right now.
I will begin to cut the main spring strip, 1/8 inch thick, 1/2 inch wide and 5 inches long.
This piece will leave plenty of material for filing mistakes, etc.
Strip will be out of truck leaf springs.















You may see a lot of mistakes in this lock.  Remember, this will be my first complete lock and a very instructive learning experience.




Oct/06/2016

Top jaw piece and frizzen spring.

I did a lot of fancy file work on the frizzen spring screw mounting area.  After tempering that spring, I noticed that the file work was on the back side, bummer.

Top jaw needs some more "refining" but it should work.

Picked up some more hacksaw blades today, will need them to cut free that main spring piece.





















Story:
I purchased two hacksaw blades from the local Ace Hardware store, $3.79 including tax.  After about 10 swipes while cutting mild steel the first blade became very dull and would not cut anymore.  I will be taking these USA made blades back to the store.



Oct/07/2016

Manual Hacksaw Cutting Main Spring Piece (sore arms here and I need the exercise)
Spring Steel (truck helper spring) 3/8 inch thick, softened in the barbeque overnight.
This piece to be cut free will be about 5 inches long and about 1/8 inch thick, probably thicker on one side due to hacksaw blade twisting.













The beginning of sore arms and sweating as it's only 100F today.














Decided to us up that single cobalt 1/8 inch drill bit.















Finally free, now for the large belt sander and a dust mask.



















Oct/08/2016

Belt Sanding the main spring blank.
Worn 80 grit belt makes tons of sparks.

I must remember to leave enough width for the spring stud.
So far the blank is tapered on all sides.














Red Heat Bending the curl.

Approxinated the curl at the working end, not finalized yet.
Needs a bit more drop at the point.














Combination View




========
Well, after red heat bending the spring and beginning to file for the stub, the spring broke.
Starting over.






Oct/10/2016

The tumbler was too soft.  I took a slice of hammer forged barrel stub (4130, thanks Chuck Kramer) and made another tumbler.  This steel is tough stuff.  Also made the inner tumbler bearing area (about 1/4 inch) larger as I got tired of turning down shafts in a drill press.

Picture with the bridle removed.




















Oct/11/2016

1. Brazed up that old sear, it works.  Cut the full cock notch.

















2. Brazed up that broken main spring at the bend.  Filled the inside of the bend.  It held, but broke somewhere else as I forgot to fully heat treat it.  But it held! Yay for brazing.




Oct/12/2016

Went to the local metal market, AZ-Metals where I picked up a strip of 1095 steel, 5/8 inch wide, 1/8 inch thick, 12 inches long for less than $8 including the $5 for the cut.  This will give me two springs, if I mess up on the first one.  It is not yet tempered as it needs a lot more "fancying up".  The stud is 1/8 inch round.  It would be nice if the fold was flatter.




















































Oct/17/2016

Main Spring mounted, two studs.  Reason: The brass pan is only soldered on and the solder joint may not take the strain of this main spring pressure.  Now to fit the spring to the tumbler.


















Oct/18/2016

OK, that one broke also.
I got it installed but I could not pull the hammer past half-cock, way too stiff.
In the action of removing that spring, it broke at the bend.
Looks like I will be ordering a spring vise from TOTW. (Done, Oct/19)

In the process of making another spring, hopefully this one will last.  If not, then I'll get some 1075 steel.

The tumbler+shaft has been roll pinned for safety and security.



Oct/19/2016

The Kit Ravenshear books arrived. Kit Ravenshear Books
I received springs, crafts 1 & 2.  Need to get the metal and wood books next.

Main Spring Installed.

The arch is a bit too tall and keeps the full-cock notch from engaging.  That's OK, the arch toe can be ground back a bit to lower the arch and the bridle boss (left screw) can be trimmed back a bit.  That should work.

On the workbench on top of a paper rag.

















Hard to take this picture holding back a main spring at full cock, so it's fuzzy.
Here this picture shows where the arch hits the bridle boss.  Arch does not hit the pan.















Another shot in daylight.  Rest Position.

Looks like the bridle needs another mounting screw and it will be just to the right of the "3" probably the sear spring mounting location.  Main spring tries to rotate the bridle and bind the tumbler and shaft.
















I will let this spring sit and ocassionally flex it a bit.  I won't use it to make sparks yet but force the spring to get used to moving in and out.





Full Cock Working

Main spring does not hit anything at full cock (Yay!).  Modifying the bridle boss gave the clearance.  Third screw installed, will be used for the sear spring and bridle support.  Half-cock will be next.  Tightened up the bridle bearing hole, was a teensy bit loose.

Ordered more Texas flints from Neolithics.com.




















Oct/20/2016

Made Sparks! Woo-Hoo! White Chert that comes out of Oklahoma

Half-cock notch installed.

Made a sear spring from an old hacksaw blade, broke the first use, right at the bend.  Need better thin spring steel.

Almost done.



Oct/21/2016

Sear Spring Made, after two broken ones.
Front View, more stars.



New sear spring, it actually works.
















Odd Angle Views


















Sear Spring wraps around the middle bridle screw.
Corner of bridle holds the spring down into it's little notch.














It does spark but not a lot.  The frizzen face can be refaced with some of that 1095 steel left over.

Now to make another rifle, I have the wood for the stock, just need a barrel, etc.





Oct/22/2016

#4 sear spring from blue spring steel.  It also limits upward sear travel.
Let's see how long this fourth spring lasts. :-)



































Jan/22/2017

Updated parts.

After a consult with a local flintlock guru, I strengthened the frizzen spring.
Done by heating the bend and pulling it out another 1/4 inch more.
Also refaced the frizzen (again) with a slice of old table saw blade.

The refacing was done as thus:
Cut a slice of a used table saw blade.  Shaped it to match the curve of the frizzen face.
Tempered it to full hard, no drawback.  JB-weld'ed it to the frizzen.
It works much better and makes many more sparks.

Tomorrow I will finish the shaping of the new face.






May/7/2018:
Sear spring Notch. Sear spring is held into that notch by the bridle's point.




















Another view.
























IdeZilla

Comments Welcomed



Tuesday, August 9, 2016

Small Bore, really.

Small Bore, with range reports.


Stock shape taken from a childs .22 bolt action rifle, a Stevens Model 15, then modified to fit.
Brass pieces left over from a H&A Spanish rifle, butt, trigger guard, etc.
Cherry, 2 inches thick, a bit soft but seems to work OK.













During a rain storm today, got most of the barrel inlet.  Some of you will recognize the barrel brand, about 18 inches long of what's left.  Barrel chamber stub removed, flat filed on right side for a flintlock, yes that one.  Now breached at 3/8-16.  If this barrel does not work out then it can be bored out for a bit larger bore smoothie.















Aug/10/2016
Butt Plate installed.  More shaping done but not finished.
Trigger guard modified to fit this stock.
Barrel plugged.  Now for a hook breech tang, would be nice if it was brass but may end up as steel.



















Aug/12/2016
Went to the local metal store, AZ-Metals.  Bought a foot of 2x3x0.188 angle steel.  Turns out it's ASTM A36, whatever that is.  I also had them cut a 1 inch wide piece from that foot long.  After about 1 hour I had what you now see.  Top corners of the tang need trimming, also the tang needs a "bit" of bending.

It is going to be over 100F today and the shed gets too hot to work out there for more than 1-2 hours.  My do-rag hanky is hanging in the bathroom curtain rod trying to dry out.

It is too bad that the barrel looks like a 10-22, argh.

























































OK, thanks to an idea by Tim Crosby on the AmericanLongRifles forum, I now have a touch hole insert.  Stainless 1/4-20 and 1/4 inch long allen set screw inserted backwards, with a 1/16 inch diameter hole drilled through it.  Set screw probably needs to be a bit longer as this one only gave 4.5 full threads out of 7 threads available in the barrel.
Shown here is the hook breech partly installed with temporary screws into the Cherry stock.  Now for a barrel band or a wedge to hold the front of the barrel down.

























Aug/13/2016
Pinned the barrel front.
Folded brass soldered to the barrel.  Pinned with 3/32 inch wire (old coat hanger).
Lock comes next.



Aug/16/2016
Lock in.
Barrel in.
Trigger in.
Trigger guard on.
Flint in.
Sparks made.














Simulated left side plate.















To do:
Test Fire.
Walnut stock nose.
Side Plate.


Aug/17/2016
Beginnings of the side plate.  Still a bit large.


















Side plate hammered from the backside to "round it out".

















Range Report:
Aug/20/2016

25 yards, 10grains of Goex FFFg, prime was Schuetzen FFFg, 0.22 caliber air gun pellets that I found at the range on the ground.

Large Target
Four hits upper area, about 10 to 11 inches high from the POA at dead center of the target.

























Closer View:












During the fourth shot, it would not spark at all (argh).  I changed the flint, not needed but it had to go off so that the public range could go cold.  After about three more tries it finally went poof.  That darned frizzen again.  Time for a new one.



New frizzen ordered on flea-bay.

Notes:
I don't care about speed of the bullet, just that this rifle functions.  Since it's my first hand-made flinter I am happy with it as is.  The choice of wood is not good, this piece of Cherry is way too soft for a rifle stock, it keeps cracking and the sharp edges keep flaking away, disappointing.




Aug/22/2016
Ordered NAA black powder bullets today, 100 each.  These are made for their NAA black powder .22 revolver and they should work fine in this rifle.

Made a tool to concave the backend of pulled .22 bullets.  Lots of mis-fired ones at the range.


Aug/23/2016
Blued the tang, changed screws, etc.  Length is 33.5 inches long, that's all, butt to muzzle.




























33.5 inches long.  Camera angle shows it all wrong.















Questions about the ramrod used; what? materials?

Core of the ramrod is steel of 0.156 inch or 5/32 inch diameter, outer is 0.187 or 3/16 inch hobby brass tubing, then a .22 caliber jag, all soldered together into one solid piece, jag end up against the steel rod.  Jag is permanent.

Stainless rod with a brass brush for .22 cal, used after every shot.


Range Report: Aug/31/2016

Was able to get 16 shots before it got too hot at the range (AZ).  Shoots a bit high.  The barrel is so-so, either it's me or the barrel is not good for muzzle loading applications, too fast of a spin.  Groups of 2 to 3 inches at 25 yards seem to be normal.  This grouping is with 10gr of Goex FFFG, NAA bullets and some or no lube.  Cleaning with a brass brush after each shot seems to be required.  Using less than 10gr of Goex doesn't seem to help accuracy.  It's a bit of a pain to load 10gr of BP from a large horn, spilling more than used.

The lock works fine if the flint is kept right up against the frizzen at half-cock.  Once it wears down the lock starts to not spark.  I can work with that.  Frizzen spring seems to work fine.

The touch hole liner as it exists works fine, amazing.



Sept/08/2016
Range time today.
Have reduced the main charge to 7gr of Goex FFFg.  Groups seem smaller.
Will be picking up a can of Goex FFFFg for testing, someday.
Keeping the flint up close to the frizzen and sharp, works.  This lock is a flint eater, bummer.



Sept/15/2016
Range Report:
Benchrest at 25 yards, 7.5gr of Goex FFFg, no patches.
That 7.5gr is estimated by moving the marker to halfway between 5 and 10 on the brass powder measure.
All holes are those NAA BP bullets, except one.
The single hole just to the left of the "X" is a round-nose air-gun pellet of unknown weight and manufacture.






















I talked to one of the air-gun fellas at the range, he suggested to try some JSB 18gr air-gun pellets of which he let me have three.  The three holes to the targets left are those pellets.  The three holes on the right are 14.3gr pellets.  Same distance, same powder charge, no changes.

I rezsized the pellets through another 10-22 barrel before trying to push them down the muzzle of this rifle.  That helped to keep the pellet skirts intact and correctly sized.



























When I got home I moved the trigger pivot to the new location shown by the shiney pin showing just under the rear lock screw.  Now the trigger pull is around 3 lbs instead of what it was and terrible it was!  Trigger was flattened a bit to accomodate the internal vertical move.  Plug that old hole!


















Sept/21/2016

Removed broken rear sight and replaced it with a 1/16 inch diameter brass peep sight.
The peep hole has been countersunk on both sides to reduce internal reflections from the AZ sunshine.

























Sept/22/2016

Some embelishment on the lock plate.
Frizzen spring finished, now locks the frizzen open.



























Oh look, another one:
https://youtu.be/rFfsBZURIdQ



Building an iron flintlock lock:
http://americanlongrifles.org/forum/index.php?topic=26825.0






IdeZilla

Comments Welcomed