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|11-08-2012, 10:11 PM||#11 (permalink)|
Join Date: Mar 2006
I remember reading somewhere that when Doc was doing research for his 'Mag adaptor, he had grabbed a handful of different WGP barrels that were made over the years and found some variances in THEIR cocker threading.
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|11-08-2012, 10:13 PM||#12 (permalink)|
Join Date: Oct 2007
Location: A2, Michigan
Compliments of Have Blue's Patently Absurd site
My favorite part of the freak patent is the whole concept of the freak inserts flexing to adapt to the shape of the ball. Neat idea, nothing to do with the actual product.
|11-08-2012, 10:15 PM||#14 (permalink)|
Not Worthy Of "MCBer"
Join Date: Aug 2008
Uh, I think the question and answer were a little inverted.
Cocker threads were a legacy thing from Bud Orr. So you could say they were first.
So the question really should be: what's the point of the coarser threads?
And I thought the answer, at least for the Model 98, was the fact that coarser threads are easier to mold into crappy pot metal.
Dunno what SP's excuse was. Gonna guess it was something similar.
|11-08-2012, 10:31 PM||#15 (permalink)|
Discovr of the Hidden Cup
To be more precise, 98 threads were designed to allow the bodies to be used as-cast, skipping any extra threading and saving cost. I don't know which alloy Tippmann uses, but it's more than sufficient, and the coarse threads have never caused any problems for me.
|11-08-2012, 10:42 PM||#16 (permalink)|
Join Date: Nov 2011
Location: Rice Lake, WI
|11-08-2012, 11:23 PM||#17 (permalink)|
Mad Science of Paintball
Join Date: Jul 2011
Some were easy to explain- the J&J Hardchrome, for example, was handmade. J&J made almost all of their brass, hardchromed brass, and early stainless barrels by hand, turned and single-point threaded on manual lathes, so some variation was to be expected.
Others, not so much- a DAC Tulip, a production CNC made barrel by a Brit maker, which was horribly oversize. To this day I've only seen one or two stock 'Cocker bodies that it'd screw into. I've always suspected the maker probably measured a used/worn 'Cocker body to get their dimensions. That or skipped a decimal when doing an inch-to-millimeter conversion. )
Another is my original, early-run stainless AutoSpirit, the famous 304 stainless, mostly-full-diameter model that by itself outweighs a complete first-gen Ego. The threads are very close to dimensionally perfect, but the thread peaks come to a sharp point. Thus, it won't screw in to anything but the loosest or most-worn bodies. I've had to run a tap down a couple of markers just to get it to fit- the tap doesn't necessarily recut the threads, but mostly just digs out the "points" of the thread grooves so it'll fit.
As I said, Bud's original plan was very different. Most markers didn't even have removable barrels at the time (PGP's and PMI-1's, Phantoms with the original "unibody", Grey Ghosts, WinTecs, Nel-Spots, etc.) so just being able to remove it at all was a new idea, regardless of how fast it could be unscrewed.
And, most of the reason Bud went with a removable barrel anyway, wasn't to change bores or even just lengths, but calibers. The original Snipers were advertised as being able to switch, depending on what paint the field had available (distribution then wasn't what it is today) or what you preferred.
So you could remove the .68 caliber barrel and bolt, and switch over to a .62 or even a .50 cal if you wanted.
'Course, that as an option died out at about the same time as those latter calibers did anyway- the .68 always outranged the others, so anyone with the choice used it. It then became, why offer an option nobody bought?
So by the time the Sniper II came out (basically the production version, the original Snipers were made from bar stock in Bud's garage) the caliber-swap option was long gone and quietly forgotten.
But, the point was, who cared how long it took to unscrew the barrel? You generally only did it between games, or even just first thing in the morning, not out on the field- pull through squeegees wouldn't be invented for another six or eight years.
Now, for later markers, this obviously changed. As semiautos rose, and then electros arrived, as well as tourneys where big money was on the line, it became important to be able to clean a goopy barrel quickly. So various manufacturers tried other ideas.
The original Shocker duplicated the 'Cocker breech end, but gave it a slightly coarser double lead thread so it'd unscrew faster. WDP did more or less the same thing with the Angel- a coarse (albeit normal single-lead) thread so it'd unscrew faster. ICD stepped up even further and made a quad lead thread which unscrews completely in about a turn and a half.
SP improved on the Shocker by making the thread coarser still- and still double lead. An Ion barrel pops out in about two turns.
As mentioned, Tippmann went with the extremely coarse Model 98 thread simply because they were die-casting the threads directly into the body shells. If they'd tried anything much finer, they'd likely have had a huge scrap rate where thread peaks didn't properly fill in during casting.
The only problem with all of those, however, gets back to the corporate inertia- there's already a huge market of, and existing supply of, 'Cocker barrels, and if you're developing a new gun, why make it take your competitor's barrel threads, rather than the ones everyone already owns?
|11-09-2012, 10:42 AM||#18 (permalink)|
Doc. Those are some of the best posts I've read in a long time.
Please do write a book, even if its not all that in depth, you still know more than the average Joe-Schmoe does; and it would give a great background of the early days of our sport.
"Conformities are called for much more eagerly today than yesterday... skeptics, liberals, individuals with a taste for private life and their own inner standards of behavior, are objects of fear and derision and targets of persecution for either side... in the great ideological wars of our time."- Isaiah Berlin
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|11-09-2012, 10:26 PM||#19 (permalink)|
Would a magnet retained barrel be not be difficult to get the barrel straight on? Threads pull the barrel tight to the gun while magnets would just hold it in place.
So if the magnets would pretty much have to be nearly perfect tolerances just to keep the barrel from wobbling around and effecting accuracy. I would imagine it would have to be so tight that it would be difficult to pull apart just because it is so tight. As the parts wear it would begin to lose accuracy.
I say it would be cheaper and far easier just to keep taking the 5 seconds just to unthread the barrel.
|11-10-2012, 07:41 AM||#20 (permalink)|
Join Date: May 2012
Is it realy THAT big of a deal to screw in your barrel a few more turns? I see people complaining about cocker threads a lot.. "it takes too long to screw in!" ... I'm sure that extra two seconds is a horrible loss for you...
EMPIRE AXE - REDLINE OLED
LURKER EIGENBARREL - EIGENBOSS BOLT
CRITICAL AXIOM TRIGGER - NANO FEEDNECK
EMPIRE Z2 - NINJA 50/4500
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