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Search: Posts Made By: Test_Engineer
Forum: RFC Community Forum 09-16-2019, 04:16 PM
Replies: 22
Views: 342
Posted By Test_Engineer
The direction the sight moves when the screw is...

The direction the sight moves when the screw is turned depends on 2 things. First is are the screw threads right or left hand wrapped? The second thing is where are the mating threads located within...
Forum: Mk IV 09-16-2019, 09:56 AM
Replies: 16
Views: 419
Posted By Test_Engineer
I agree that's ridiculous. A while back, I needed...

I agree that's ridiculous. A while back, I needed to order a 5 pack of rebound springs from Tandemkross and their shipping was just as ridiculous. So I waited for the next big holiday to place my...
Forum: Mark I 09-16-2019, 09:28 AM
Replies: 7
Views: 149
Posted By Test_Engineer
That's very strange. Did they say why not?...

That's very strange. Did they say why not? :confused:

Ruger sold me new firing pins for my MKII, MKIII, and MKIV. All they needed was the serial number for each one to sell them to me.
Forum: Mk IV 09-15-2019, 01:02 AM
Replies: 40
Views: 1,996
Posted By Test_Engineer
Tim, Look at the Majestic Arms (3-hole)...

Tim,

Look at the Majestic Arms (3-hole) firing pin:

https://i.imgur.com/ENTRQEh.jpg

This firing pin is in no more danger of breaking than the VQ, TK, or any other well made firing pin. The...
Forum: Mk IV 09-15-2019, 12:17 AM
Replies: 21
Views: 412
Posted By Test_Engineer
My bad. Not plastic. But... The pin to the...

My bad. Not plastic.

But... The pin to the right looks like steel should look IME. Zinc alloy, pot metal, or whatever that housing is made of is certainly not very strong. Maybe it just wasn't...
Forum: Anything 10/22 09-14-2019, 11:40 PM
Replies: 12
Views: 411
Posted By Test_Engineer
The OP asked what improvements he might see by...

The OP asked what improvements he might see by reducing the headspace of a Ruger bolt. That's what we're talking about.

Clem suggested fewer fliers. RCP suggested improved accuracy. I suggested...
Forum: Mk IV 09-14-2019, 11:45 AM
Replies: 21
Views: 412
Posted By Test_Engineer
That's precisely the break I was anticipating...

That's precisely the break I was anticipating when I saw the MSH was made from plastic. The tube on the bottom that holds the spring and plunger shouldn't be a problem, but that upper piece should be...
Forum: Anything 10/22 09-14-2019, 10:42 AM
Replies: 12
Views: 411
Posted By Test_Engineer
SAAMI spec for headspace is .043"-.051". ...

SAAMI spec for headspace is .043"-.051".

Most of my new (to me at least) Ruger bolts have measured .046" to ".049". But I did have a really badly finished MKII bolt that wasn't square and the...
Forum: RFC Community Forum 09-13-2019, 09:07 AM
Replies: 42
Views: 853
Posted By Test_Engineer
HAH HAH HAH!!! Thanks for that! You are the...

HAH HAH HAH!!!

Thanks for that! You are the first person to give me a reason to go to the store on "Black Friday". This should be fun (for me). :eek::):D

Other than groceries, I seldom go to...
Forum: RFC Community Forum 09-12-2019, 05:57 AM
Replies: 16
Views: 886
Posted By Test_Engineer
DANG BRO! Doncha no dat sayin sumptin LOUDA...

DANG BRO!

Doncha no dat sayin sumptin LOUDA makes it mo impotent? Get wit it man!!
Forum: Mark III 09-12-2019, 05:32 AM
Replies: 6
Views: 186
Posted By Test_Engineer
Without seeing the parts in your gun, it's hard...

Without seeing the parts in your gun, it's hard to say exactly what you have. But from your description, it sounds like the previous owner probably put in a Volquartsen sear and one of the...
Forum: RFC Community Forum 09-11-2019, 10:22 AM
Replies: 9
Views: 244
Posted By Test_Engineer
The year that happened, my truck radio wasn't...

The year that happened, my truck radio wasn't working. The day it happened, I was out hunting with black powder. I remember coming back to camp that night to find every other hunting camp had left. I...
Forum: 22/45 Mark IV 09-11-2019, 10:02 AM
Replies: 3
Views: 138
Posted By Test_Engineer
Volquartsen has produced several versions of...

Volquartsen has produced several versions of trigger kit since the MKIV came out. So it's hard to know what version you have. But I only see 2 possible reasons it may make your safety get stiff.
...
Forum: Recipes 09-09-2019, 01:52 PM
Replies: 34
Views: 4,274
Posted By Test_Engineer
OUCH! I don't even know how you'd be able to...

OUCH!

I don't even know how you'd be able to do that with more modern cookers. Manufacturers added several safety valves to the cooker I have. I think this was possibly mandated by the powers that...
Forum: 10/22 Action 09-09-2019, 01:09 PM
Replies: 5
Views: 593
Posted By Test_Engineer
You have that backwards. In a mark pistol mag,...

You have that backwards. In a mark pistol mag, the TOP round's rim can dent the top of the next round under it. That usually happens when a shooter slams a mag into place with the bolt closed. You...
Forum: 22/45 Mark II and III 09-08-2019, 03:38 PM
Replies: 10
Views: 301
Posted By Test_Engineer
That's a pretty good representation for the...

That's a pretty good representation for the differences in Ruger sears, but not so good for the differences in Volquartsen sears.

This shows the biggest change VQ made for the MKIV:
...
Forum: 10/22 Action 09-08-2019, 02:20 PM
Replies: 34
Views: 1,167
Posted By Test_Engineer
Please be specific in what provided information...

Please be specific in what provided information is incorrect. Also, please provide your evidence that proves it is incorrect. If you have none, well...


Here's some evidence that supports my...
Forum: 22/45 Mark II and III 09-08-2019, 06:45 AM
Replies: 10
Views: 301
Posted By Test_Engineer
Multiple possible causes. 1) What VQ sear...

Multiple possible causes.

1) What VQ sear did you install? They have a MKIV version and a MKII version. You DON'T want the MKIV version put in a MKIII. It's tab slot is cut higher and it may not...
Forum: 10/22 Action 09-07-2019, 03:52 PM
Replies: 34
Views: 1,167
Posted By Test_Engineer
Most of the slo-mo videos on 22s are 600-1000...

Most of the slo-mo videos on 22s are 600-1000 frames/sec, or less than 1 frame/msec. These are way to slow to capture the details of semi-auto operation.

I recall finding one pretty good video...
Forum: 10/22 Action 09-07-2019, 02:43 PM
Replies: 34
Views: 1,167
Posted By Test_Engineer
That's correct. Slow and/or incomplete combustion...

That's correct. Slow and/or incomplete combustion is the most likely problem.



Travel begins when the pressure has dropped enough that the friction between the case and chamber is insufficient...
Forum: 10/22 Action 09-07-2019, 11:53 AM
Replies: 34
Views: 1,167
Posted By Test_Engineer
That's about right DrGunner. Most of the bolt's...

That's about right DrGunner. Most of the bolt's acceleration occurs after the brass has released it's grip on the chamber. The brass is only about 1/3 protruding when this happens. A little under...
Forum: 10/22 Action 09-07-2019, 10:32 AM
Replies: 34
Views: 1,167
Posted By Test_Engineer
I guess I had missed the OPs post saying he was...

I guess I had missed the OPs post saying he was shooting Super-X. Back in the day, this was good ammo. But recent production is notorious for having slow and inconsistent burning powder. The result...
Forum: RFC Community Forum 09-07-2019, 08:28 AM
Replies: 7
Views: 397
Posted By Test_Engineer
My grandfather had one of those toolkits. We...

My grandfather had one of those toolkits. We found it in the garage workbench after he passed away. None of us knew what it was for, so we pitched it.

It is definitely not a gun kit. He only had a...
Forum: 22/45 Mark IV 09-07-2019, 07:52 AM
Replies: 16
Views: 449
Posted By Test_Engineer
The people I've known who installed the MA kit...

The people I've known who installed the MA kit report it gave results equal to their other pistols that had the Volquartsen kits installed.

Personally, I don't care much for the Volquartsen...
Forum: Mark II 09-07-2019, 07:13 AM
Replies: 16
Views: 607
Posted By Test_Engineer
The MK512GCL is a blued Competition Target model...

The MK512GCL is a blued Competition Target model with a 5.5" barrel made for Lipseys. The gold trigger distinguishes it from models made for sale anywhere else. The MKII Competition Target was the...
Showing results 1 to 25 of 500

 


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