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The lower two peice roller also requires a crown to help aid in belt tracking.
A square demonstrates the amount of crown.
View attachment 641093
The calipers show a difference of .0405" (center measurement).
View attachment 641094
Outer measuerment.
View attachment 641095
The side cover shows the groove from a poor tracking belt.
View attachment 641096
More cast iron parts ready for masking.
View attachment 641097

The trunnions painted and test fitting.
Notice the unpainted contact surfaces.
View attachment 641098
Almost ready for paint.
View attachment 641099

View attachment 641100
Disc table.
View attachment 641101
The knobs were painted with aluminized header paint and cured in the BBQ grill at 250º for 40 min.
View attachment 641102
More to follow.
As a side note, tomorrow is my last day at work. My last 24 hour shift... Tuesday morning I'll turn in all my gear and check out from the Tucson Fire Department after 30 years. I plan on working in the shop but at a slower pace and more on personal projects.
I will add further posts of the finishing machine on Wednesday.
Good Morning Mr. Paco! :) :)(y)
Congratulations Sir for 30 yearins of dedication, and service. It takes special kinds of people to accomplish what you and your brotherhood of firefighters do. Job well done.

After my retirement, I realized I had so many projects , I don't really know how I ever had time for a job.

Paco you and your wife, enjoy the day and the start of a new journey .
Till L8R
 
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Discussion Starter · #163 ·
Good evening Ben,
Thanks for the kind words. It was a haul but seems like 15 years was yesterday never mind 30 yrs. Had a great last shift with my crew. Nothing exciting from just medical calls but overall mellow. My Captain brought in Rib-eyes and cheesecake for desert. We actually enjoyed out meal without interruption so that was a bonus. After dinner the presented me with this beautiful custom Ax and rock.
The ax locks into the anchor rock and can be removed by pulling the handle up.
653E33C1-C103-4E1B-B971-4276368B94B7.jpeg

A close up if the nesting fit. The Ax head reads "USA":giggle:
021E7C1A-F35F-49ED-B832-32BC558703AD.jpeg

The rock weighs over 100 pounds with no real place to grip it. I'll dolly it in and find a spot in the office.
They know me well and figured on a unique gift. Gonna miss all of my 620 brothers and sisters but it's time to move on.

I hear you on projects, I need to paint the exterior of the house and remodel the kitchen before I hit the open road.
Thanks again for the warm wishes Ben!
 

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Good evening Ben,
Thanks for the kind words. It was a haul but seems like 15 years was yesterday never mind 30 yrs. Had a great last shift with my crew. Nothing exciting from just medical calls but overall mellow. My Captain brought in Rib-eyes and cheesecake for desert. We actually enjoyed out meal without interruption so that was a bonus. After dinner the presented me with this beautiful custom Ax and rock.
The ax locks into the anchor rock and can be removed by pulling the handle up.
View attachment 641127
A close up if the nesting fit. The Ax head reads "USA":giggle:
View attachment 641128
The rock weighs over 100 pounds with no real place to grip it. I'll dolly it in and find a spot in the office.
They know me well and figured on a unique gift. Gonna miss all of my 620 brothers and sisters but it's time to move on.

I hear you on projects, I need to paint the exterior of the house and remodel the kitchen before I hit the open road.
Thanks again for the warm wishes Ben!
Paco
Thank you for your service with both the Navy, and the firefighting brotherhood ,it's time for a well deserved break from the routine .
Stay safe, and keep healthy, & enjoy.
Till L8R
 

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Discussion Starter · #165 ·
Paco
Thank you for your service with both the Navy, and the firefighting brotherhood ,it's time for a well deserved break from the routine .
Stay safe, and keep healthy, & enjoy.
Till L8R
Thank you very much Sir!
 

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Discussion Starter · #166 ·
More on the Rockwell / Delta finishing machine.
The side cover was stripped of paint to repair the damage caused by the poor tracking belt. This cover is stamped steel and probably 16 gage thick. I used a Mig welder with .035" wire to weld the piece back. I was careful to stagger the hot work to prevent warping.
09BF1C1E-7F89-460D-B0FB-B3B5974D393A.jpeg

Jumping around and allowing cool down between welds. This is the same technique when welding vehicle panels.
725E0913-53BC-44ED-A20E-FE796027295A.jpeg

This is the back side showing the penetration. A little slower speed and I would have welded the cover to the table.
9F258D74-C443-4CFD-A5A8-95511EB64AA6.jpeg

Verifying the piece is still flat.
31451032-F3EE-45E1-8824-1A6225B5B38F.jpeg

A skim coat of JB weld on the inside to smooth out.
57BF7E3E-4F3E-429A-9A65-66F3DFE91A5E.jpeg

Out to paint.
4E1B0E02-6804-428B-AD4B-E4C600BAE030.jpeg

The hammer tone copper paint was cut with Xylene for spraying. That same old cheap gravity HVLP gun was used.
8E4AB6E1-011D-4087-8A5A-E1D5F4164F35.jpeg

The cast iron arm that required all that masking and groove repair.
TIP: When using Rust-o-lium hammer tone paints, you must lay it down heavy to produce the hammer finish without runs.
F8735625-3961-4EC5-9232-C7419C6BD9B6.jpeg

The top cast aluminum cover that was once cut through.
74344F3B-1A98-4A7A-8498-502CDB7FA799.jpeg

The side that was repaired with JB Weld.
9D8BF332-EE5B-4118-A7DE-0BDCEB291858.jpeg
 

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Discussion Starter · #167 ·
With the paint done and tack free the pieced were placed under heat lamps for further curing.
5BB63F4B-C234-418A-9FAC-3039ABAC4A74.jpeg


A2CEB652-6925-470D-A7A1-988EF153031C.jpeg

The paint was burned in for a couple of days.
B5F86E37-2944-41E7-879B-EBB4F9392ADC.jpeg

While the paint was curing I began to work on the lower cabinet and electrical. A new on/off switch was added as well as a new longer power cord.
Inside the electrical box was unmolested and super clean.
32BECD2F-12DB-4E1C-82C4-5089E04AC00A.jpeg

The electric motor also got torn down and cleaned. New bearing installed.
A fair amount of saw dust was cleaned out.
612EB10C-640F-4BCA-847A-C4B5472528BE.jpeg

The centrifugal switch and old bearing.
CFCDDFC3-8950-4E60-8368-B5A3DCBD673B.jpeg

Pulling the bearings.
78DB7E94-39DE-4903-A985-B0575151B756.jpeg

Ready for new bearings.
DC405083-1ACA-4EFF-9B19-0F070895539B.jpeg

The windings after a gentle cleaning.
F5F4167F-60E7-4FA7-830D-CC3619A432D1.jpeg

Pressing in new bearings. A custom sleeve was turned for this operation.
37C6722D-BCE1-4813-AEA5-EFBB1ED0AAE8.jpeg

More to follow...
 

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Discussion Starter · #168 ·
The Koyo bearings sourced for the motor were also in stock on the shelf. Weird how Japanese bearing are made in Romania.
D5C7D3E0-DE1E-4499-86E1-7655BCC5CC00.jpeg

The motor data plate
5DD94E77-E7CD-477B-BDB7-7C6A08D953B1.jpeg

The motor reassembled without drama.
443FF211-D3D8-46C4-9195-BFD5FA749649.jpeg

Focusing on the Lowe cabinet.
A278E766-639B-4E76-B148-6DF5997B3FEF.jpeg

A couple of small dents were massaged.
6F9C581F-3906-42BB-9452-4443E255E75D.jpeg

A nice example of the finish.
E7BABDDD-07AA-40C7-A16D-75D88B80806C.jpeg

Re assembled the belt tracking mechanism.
8D34509D-2033-4448-B45B-08314677BA24.jpeg

The hand crank knobs for the tracking and tension resembles a milling machine table crank handles on these old machines. I dig the look.
B4F05D3D-C14E-4747-8D0C-C2BEE5EFE67A.jpeg

The degree pointer was also shot in bright orange. These parts were completely painted originally including the machined surfaces. The exert effort in masking not only improve the look but allows for smooth adjusting.
02939049-FB4B-40EC-AE7F-95E0D8C7ACDA.jpeg

Some notes for me to wire the motor for correct rotation.
BF0DD195-3767-4904-911A-4AAED4A66512.jpeg

More to follow...
 

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Discussion Starter · #169 ·
The lower cabinet was also shot with Rust-o-lium hammer tone in silver.
EA5DCADF-E838-4E7D-9C90-3E282E327ABA.jpeg

Really laid down nicely.
A0C84C31-3175-4402-A4C5-925F5DB13798.jpeg

The electrical box. The texture is beautiful IMO.
260BC4B7-895B-4D1F-B231-C93D7ABB7352.jpeg

Reassembling after a couple of days curing.
010E2543-A606-4AF2-9A74-C151E54EEF18.jpeg

These schematics found glued on the inside cover are original from 1982.:cool:
2B3827D1-09DE-491C-BE71-AE782B49D68F.jpeg

Reassembling the machine.
F1189654-E023-42BA-BC43-D7127A0DC03D.jpeg

Another view.
6BBF463A-F30A-413E-848C-46CBA52743D1.jpeg

The platen was in remarkable condition

89B4ACAF-4EE8-48AD-8E97-1A591F7E3191.jpeg

Remember the damage on the side and top cover?
68E9EF2B-418F-464C-A8B3-74BE72428691.jpeg

A similar angle to the first photo posted prior to teardown without the belt table.
8217DA19-A0D9-4CD4-AE1D-629636A1BDCD.jpeg

More later...
 

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Discussion Starter · #170 ·
Done!
D1CFB2C4-2457-4F2E-82F9-6709591CCF97.jpeg

Waiting for the Blue Fire series disc and belts.
45A6AE07-1CB1-49BE-877D-7DE1C198BB58.jpeg

The top cover repaired.
0A7BFB83-5468-4BE1-A738-91A09ADDC682.jpeg

The side cover repaired.
48B0C48D-EBFF-40DE-B5E4-47CF0ED2C645.jpeg

I sourced a new warning label on line. Same verbiage but different color.
4384EC0A-F82D-4EE4-A355-3AD09CAEA850.jpeg

Getting closer.
18DA7E92-D411-40A3-A5C3-66F8344A2EDA.jpeg

The belts arrived. These are made by Norton Blue Fire.
68436F29-690C-4F7C-980F-7EB949253B97.jpeg

A short video of the belt tracking as intended.

More to follow shortly...
 

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Discussion Starter · #171 ·
The finishing touches were some custom made caster brackets. The black plates are backing plates since the cabinet is on the thin side. The back plates have nuts welded to serve as capture nuts.
D29E5E30-00D4-4380-99D7-F5210F112B1E.jpeg

Inside view.
CF7FC697-3F1D-4FE4-B46C-954EF0C9CF5E.jpeg

I used the same casters on a Scotchman cold saw that weighs much more than this machine and they have held up great.
6C931033-957E-451A-8D24-243EABC5A3A2.jpeg

The machine remains close to the floor. To the left you can see the heavier cold saw with the same casters.
The spreader bar you see on the left side caster pair prevents the lower cabinet from "oil canning" due to the opening
for the motor.
F6446911-84E4-44C3-954B-8A592C9A099D.jpeg

The brackets on this side of the machine also required a different angle due to the shape of the cabinet.
8FE16D28-01A6-4498-8DC8-C946D108E8BB.jpeg

This side of the cabinet was 90º to the floor.
C3B62665-A610-47B7-AEAF-24FC9068EC0F.jpeg

I had just under $120 in parts and paint. A fun project and a very handy machine.
Have a great afternoon everyone!
Turn and Burn!
 

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Discussion Starter · #172 ·
Tucson Fire purchased a new Titanium (Ti) stokes litter that breaks down into two pieces. They cover a popular area used by mountain bikers and hikers. There's been times when a rescue could require a fair amount of hiking to reach a stable injured victim. The new break down litter can be carried by two separate rescuers in specially designed back packs.
The problem was the new Ti litter is wider than the old one piece Ti litter so the "big wheel" would not fit.
The big wheel is attached to the litter once a victim is secured and ready to be hauled out. The wheel allows 4-6 rescuers to traverse technical (low angle) terrain while maintaining control of the victim.

Once the litter is assembled the "big wheel" is secured to the middle creating a center of gravity (CG). Those loop handles can be rotated out independently in small increments as they are splined. This allows for different heights of rescuers to maintain agronomics.
011EB66F-6C68-408F-95CC-10B7B3AA4A6C.jpeg

The modification required a longer axel allowing the wheel frame to engage on the widest center portion of the litter.
The original axel with offset snap ring grooves and 1/2-13 threaded ends. The rim is offset so this required the axel grooves to be offset to center the wheel assembly over the litter.
The stock used to turn a new axel is .750" A2 tool steel 4" longer than the original.
9597AF69-405D-430B-8845-1ACB228E1C56_1_201_a.jpeg

After facing and turning down to .497" the threads were cut. The 5C speed chuck collet system works well for this type of work.
368D5281-37A5-438A-AB9C-301DBDDFE8EC.jpeg

The nuts threaded in nicely.
2C856D3B-796A-4657-9C8D-D567216020EB.jpeg

With both ends threaded the new operation was to cut the snap ring grooves. I used the digital readout (DRO) to measure from the end of the axel to where the groove need to be. The cutter used was a custom ground High speed steel (HSS). The width and depth were also done using the DRO.
5C86EB12-B1B9-46BD-A1D5-B5E29A907F61.jpeg

The finished product.
08EA0C00-82BB-43D4-B6EC-1E6BE9138546_1_201_a.jpeg

The last modification to the wheel was replacing the 3/8"-16 All-thread section with a 4" longer SS version. This has a hand knob that created the clamping force on the litter frame backed up with four aircraft detent pins.
3B6A232C-A685-4AC0-9E50-EF4FBFA256A3.jpeg

A closer look at the new axel.
39855788-1DA9-4D70-B9AE-46199D891D7B.jpeg

mentioned previously, the offset snap rings grooves compensates for the rim offset keeping the tire centered.
E6B4C276-E0D6-4AC6-9394-6281CC1DBDE1.jpeg

For those of you with detailed eyes, you've probably noticed a different lathe. I will add the journey of the the new bigger lathe soon. This will be a long post but I think some might find interesting.
Have a great day folks!
Turn and Burn!
 

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Tucson Fire purchased a new Titanium (Ti) stokes litter that breaks down into two pieces. They cover a popular area used by mountain bikers and hikers. There's been times when a rescue could require a fair amount of hiking to reach a stable injured victim. The new break down litter can be carried by two separate rescuers in specially designed back packs.
The problem was the new Ti litter is wider than the old one piece Ti litter so the "big wheel" would not fit.
The big wheel is attached to the litter once a victim is secured and ready to be hauled out. The wheel allows 4-6 rescuers to traverse technical (low angle) terrain while maintaining control of the victim.

Once the litter is assembled the "big wheel" is secured to the middle creating a center of gravity (CG). Those loop handles can be rotated out independently in small increments as they are splined. This allows for different heights of rescuers to maintain agronomics.
View attachment 641209
The modification required a longer axel allowing the wheel frame to engage on the widest center portion of the litter.
The original axel with offset snap ring grooves and 1/2-13 threaded ends. The rim is offset so this required the axel grooves to be offset to center the wheel assembly over the litter.
The stock used to turn a new axel is .750" A2 tool steel 4" longer than the original.
View attachment 641201
After facing and turning down to .497" the threads were cut. The 5C speed chuck collet system works well for this type of work.
View attachment 641202
The nuts threaded in nicely.
View attachment 641203
With both ends threaded the new operation was to cut the snap ring grooves. I used the digital readout (DRO) to measure from the end of the axel to where the groove need to be. The cutter used was a custom ground High speed steel (HSS). The width and depth were also done using the DRO.
View attachment 641204
The finished product.
View attachment 641205
The last modification to the wheel was replacing the 3/8"-16 All-thread section with a 4" longer SS version. This has a hand knob that created the clamping force on the litter frame backed up with four aircraft detent pins.
View attachment 641208
A closer look at the new axel.
View attachment 641207
mentioned previously, the offset snap rings grooves compensates for the rim offset keeping the tire centered.
View attachment 641206
For those of you with detailed eyes, you've probably noticed a different lathe. I will add the journey of the the new bigger lathe soon. This will be a long post but I think some might find interesting.
Have a great day folks!
Turn and Burn!

Good morning Paco
I have a great idea that would be a win win situation.
I know of a guy, recently retired firefighter, that rebuilt a combination belt/ disc sander. ( one I probably bid on few yrs. back) Any way seeing as the prairie fires are active here in Ks. ( sometimes too close to home)I figured you may want to stay sharp in firefighting skills, and load up that machine you probably really will never use, and deliver it out here to me.

Sounds like a win ,win. Well O/K that's my story and I'm sticking to it
Good job Paco Enjoy!
L8
 
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Discussion Starter · #174 ·
Good morning Paco
I have a great idea that would be a win win situation.
I know of a guy, recently retired firefighter, that rebuilt a combination belt/ disc sander. ( one I probably bid on few yrs. back) Any way seeing as the prairie fires are active here in Ks. ( sometimes too close to home)I figured you may want to stay sharp in firefighting skills, and load up that machine you probably really will never use, and deliver it out here to me.

Sounds like a win ,win. Well O/K that's my story and I'm sticking to it
Good job Paco Enjoy!
L8
Good morning brother!
Nice try on the Disc/Belt sander. I can't fault you for asking as that knucklehead did a decent job rehabbing the machine and it would be hard to part ways with it. :D

I just read yesterdays fire report in Kansas, looks like the red flag warnings are continuing.

I hope your in a safe area and if you'r on property, clear a good area around your structures.
Let's pray for some rain brother.
Happy Good Friday and happy Easter!
 

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Good morning brother!
Nice try on the Disc/Belt sander. I can't fault you for asking as that knucklehead did a decent job rehabbing the machine and it would be hard to part ways with it. :D

I just read yesterdays fire report in Kansas, looks like the red flag warnings are continuing.

I hope your in a safe area and if you'r on property, clear a good area around your structures.
Let's pray for some rain brother.
Happy Good Friday and happy Easter!
Yes Sir
Out in the country not quite 40 acres all pasture, house on a hill about one acre of ground , with sprinkler system.
Having problems getting someone reliable to swath and bail native prairie grass.
I usually mow pasture about fourth of July, and again labor day or so. Grass out here will be 5 to 6 ft tall by end of summer.
Always keep mowed and trimmed .
Unfortunately lots of people don't, then can't figure out why their homes get destroyed.
Our son was on fire dept, had to teach him how to drive out here in the sand, and not get stuck, taught him to drive old military trucks with no working clutch, and at times no working brakes. Sorry to have to say it but the goofy training officers had no idea. They were always stuck. City boys.

Everyone have a Fantastic Good Friday . Enjoy a Wonderfull Easter Sunday.

BURN & TURN (y)
L8R
 
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Discussion Starter · #176 ·
Yes Sir
Out in the country not quite 40 acres all pasture, house on a hill about one acre of ground , with sprinkler system.
Having problems getting someone reliable to swath and bail native prairie grass.
I usually mow pasture about fourth of July, and again labor day or so. Grass out here will be 5 to 6 ft tall by end of summer.
Always keep mowed and trimmed .
Unfortunately lots of people don't, then can't figure out why their homes get destroyed.
Our son was on fire dept, had to teach him how to drive out here in the sand, and not get stuck, taught him to drive old military trucks with no working clutch, and at times no working brakes. Sorry to have to say it but the goofy training officers had no idea. They were always stuck. City boys.

Everyone have a Fantastic Good Friday . Enjoy a Wonderfull Easter Sunday.

BURN & TURN (y)
L8R
Sounds like a beautiful homestead and you have the means to protect.

I hear you on the City slickers of today, heck many can't drive a stick let alone drive a manual without using the clutch. My son's first car was a six speed and two of his three rigs are manuals today. The first time he witness me shifting clutch-less, he was like What? I had him shifting clutch-less within 30 min. A good skill to have and will get you home if you loos your clutch.
Stay safe and keep a close eye on the changing weather conditions.
I was red card certified (wild land) for several years but I'd rather take my chances inside a burning building than trust the weather.
 

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Sounds like a beautiful homestead and you have the means to protect.

I hear you on the City slickers of today, heck many can't drive a stick let alone drive a manual without using the clutch. My son's first car was a six speed and two of his three rigs are manuals today. The first time he witness me shifting clutch-less, he was like What? I had him shifting clutch-less within 30 min. A good skill to have and will get you home if you loos your clutch.
Stay safe and keep a close eye on the changing weather conditions.
I was red card certified (wild land) for several years but I'd rather take my chances inside a burning building than trust the weather.
Yes Sir
Out here I always have an eye to the sky, and several good neighbors to relay information.
After my last post, I figured you would report back that you were a training officer. LOL.
Whatever it wouldn't be the first stripe I lost, because I told officers what I thought.
They wanted me in Officer Candidate School. I didn't see my self being that polite or politically correct.
Just stayed NCO, that was enough.
Have a great day, go do something. LIL brother.

Till L8R
 
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Discussion Starter · #178 · (Edited)
I'm hitting the shop in a minute but wanted to share some photos of a precision rifle I built back in 2011.
It's a .308 and the only bolt gun I'v built to date. I really like the AR platform and have built many over the years in various calibers.
Full disclosure; All weapons I've built in the past were lost in a boating incident some time ago....These are photos from the past but still fun to share with any one who enjoys the 2nd Amendment.

The receiver is a Remington 700 that I blue printed and mated to a 22" Mike Rock 5R fluted SS cryogenically treated barrel.
The trigger is a Jewell
The chassis id made by Accuracy International (AI).
The front bi-pod and rear mono pod are Atlas.
The 20 MOA scope mount and 35mm rings is from Badger Ordinance.
The optics is a Vortex Razor HD.
The threaded SS compensator is custom made (PITA).
The optional suppressor is YHM Ti and Inconel at 15 oz.

From the photo archives (prior to the boat accident) we begin with the bolt.
A piece of stock was turned and threaded 5/16"-24 on the lathe.
A63C6CEC-D33F-454B-A23F-117871A0C592.jpeg

Opposite the threads a pin was turned to .150" and parted.
4B79F905-EE13-48B9-9539-1C9E04CA00CA.jpeg

After the ball knob was cut, the bolt was set up on the mill for milling and drilling for an interference fit with the pin end of the threaded adaptor.
278D2575-30BC-4BE9-9667-8CD40867087B.jpeg

Centering the drill.
C6A11744-7285-480E-852F-06A3C30390F6.JPG

The pin was pressed in then TIG welded.
9A9DB7DC-C64B-4073-8195-E518D826676F.jpeg

The new part was profiled and blended by hand using a die grinder with a 2" rolll-loc and jewelers files.
E44ABF51-A776-4349-A5FF-0CFEE882CACA.jpeg

Under side.
BA1CEBE2-9D72-4A8E-B622-744EFA8A9F5F.jpeg

A piece of aluminum was then chucked and turned.
BD3CA1BE-6113-4AE3-A235-8F8CF99CBFE6.jpeg

Followed by knurling.
C732DBCF-BFAA-48C0-BEF9-EF17D1474B9B.jpeg

Ready for a taper cut.
E6E07421-91C7-46C1-BE32-A8F092424058.jpeg

More to come...
 

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Discussion Starter · #180 ·
A tapper was cut to create the knob followed by drilling and threading prior to parting.
FAFCBD76-8411-44F0-8FED-BE5FCEC3792D.JPG

The knob installed onto the bolt.
A9E1BD33-284A-4349-8DD7-652D169BA984.jpeg

The bolt blued using cold bluing formula.
A1272A42-A3E5-447C-87F7-393E35F00887.jpeg

The new AI chassis required some relief milling for the Jewell trigger.
5A0A6C72-CE55-4035-8814-D436A8FE6FD1.jpeg

The cut was only required on one side of the trigger well. About .080" IIRC.
DEEB9D24-B6AC-4A7B-A204-5AE4139B178B.jpeg

The AI chassis utilizes a machined V-block eliminating the need to glass in the barrel. The AI stock also folds.
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Some details on the custom Compensator/Muzzle brake. Made from stainless and staggered drilled at 7º angles. An aluminum solid bar was turned and threaded allowing to hold the muzzle break on the lathe and also served as a heat sink when Tig welding the thread adaptor. My order of operation was conflicted when using a rotary head for drilling the ports. This resulted in the need to weld the threaded adaptor.
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After welding.
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The fit after completing all operations on the muzzle brake.
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The glass.
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More to come...
 
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