Bill Calfee
Gun Fool
The E Turbo, a fascinating history
CYA friends:
It's been almost 20 years since my first E Turbo build.
The E Turbo has been the most successful rimfire accuracy producing action in history.....
Maybe it's time to explore the history of Flash Ebert's Turbo RFBR action.
___________________
I'll start this way:
The E Turbo came about basically, because of two things.
The first is the brilliant design engineering of the Winchester Firearms Company.
Almost 100 years ago, Winchester designed a rimfire target action, the Model 52.
The Model 52 Winchester has been the basis for every rimfire target action since, including today.
1. The horizontal rear locking lugs.
2. The .750" diameter barrel thread.
3. And the most important aspect of all, the 52 Winchesters ingenious PAS ignition system.
__________________________
And the second factor, which has made the E Turbo the greatest rimfire accuracy producing action in history, is luck.
Yes, luck.
____________________
I'm going to stop at this point...and make a couple of comments.
________________________________
CYA friends, I learn best, and retain what I do learn, best, if I have to dig for the knowledge.
The digging has taught me to think.......and, I don't believe I'm the only human being like this....
I believe everyone learns better, and retains better, if they have to think through whatever subject they're dealing with.
This is one reason I pose a lot of questions here on CYA.
_______________________
And now I have a question.........and this question gets into some of the "luck" I spoke of above.
________________________
Question:
If one removes the trigger and loading ramp of the 52 Winchester, the breech bolt will not cock.
If one removes the trigger and loading ramp of the E Turbo, the breech bolt will cock as usual.
The question is, Why?
(Both of these actions are of course, PAS ignitioned.)
_____________________
We're just getting started, more soon.
Your friend, Bill Calfee
______________________
PS:
CYA friends, why is this subject important?
It's important because almost 20 years ago Flash Ebert designed a RFBR action.
And that action instantly went to the top of the rimfire accuracy world.
And it's still there today.....after almost 20 years.
And chances are, it will still be at the top in another 20 years...
_______________
When Flash Ebert decided to produce a RFBR action, for whatever reason(s), he wound up producing an action capable of 10-0, 10 round case head penetration test runs....
Unless I'm mistaken, there is no such thing as a 11-0, 10 round case head penetration run.
___________________
So Flash Ebert wound up producing the absolute ultimate, rimfire ignition consistency......
There is no more...
________________
It is simply fascinating to understand how this all came about..
This is why I started this history of the E Turbo, with the question that I did.......bc
CYA friends:
It's been almost 20 years since my first E Turbo build.
The E Turbo has been the most successful rimfire accuracy producing action in history.....
Maybe it's time to explore the history of Flash Ebert's Turbo RFBR action.
___________________
I'll start this way:
The E Turbo came about basically, because of two things.
The first is the brilliant design engineering of the Winchester Firearms Company.
Almost 100 years ago, Winchester designed a rimfire target action, the Model 52.
The Model 52 Winchester has been the basis for every rimfire target action since, including today.
1. The horizontal rear locking lugs.
2. The .750" diameter barrel thread.
3. And the most important aspect of all, the 52 Winchesters ingenious PAS ignition system.
__________________________
And the second factor, which has made the E Turbo the greatest rimfire accuracy producing action in history, is luck.
Yes, luck.
____________________
I'm going to stop at this point...and make a couple of comments.
________________________________
CYA friends, I learn best, and retain what I do learn, best, if I have to dig for the knowledge.
The digging has taught me to think.......and, I don't believe I'm the only human being like this....
I believe everyone learns better, and retains better, if they have to think through whatever subject they're dealing with.
This is one reason I pose a lot of questions here on CYA.
_______________________
And now I have a question.........and this question gets into some of the "luck" I spoke of above.
________________________
Question:
If one removes the trigger and loading ramp of the 52 Winchester, the breech bolt will not cock.
If one removes the trigger and loading ramp of the E Turbo, the breech bolt will cock as usual.
The question is, Why?
(Both of these actions are of course, PAS ignitioned.)
_____________________
We're just getting started, more soon.
Your friend, Bill Calfee
______________________
PS:
CYA friends, why is this subject important?
It's important because almost 20 years ago Flash Ebert designed a RFBR action.
And that action instantly went to the top of the rimfire accuracy world.
And it's still there today.....after almost 20 years.
And chances are, it will still be at the top in another 20 years...
_______________
When Flash Ebert decided to produce a RFBR action, for whatever reason(s), he wound up producing an action capable of 10-0, 10 round case head penetration test runs....
Unless I'm mistaken, there is no such thing as a 11-0, 10 round case head penetration run.
___________________
So Flash Ebert wound up producing the absolute ultimate, rimfire ignition consistency......
There is no more...
________________
It is simply fascinating to understand how this all came about..
This is why I started this history of the E Turbo, with the question that I did.......bc
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