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Old 03-26-2013, 12:31 PM   #1381 (permalink)
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Can you put here the exact results (chrono values) of the best today prototypes?
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Old 03-26-2013, 05:20 PM   #1382 (permalink)
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Originally Posted by russc View Post
So I tested the slam valve on an unregged dropout changer. Very impressive valve, IMO. The valve body I use with my regged setup is too shallow to accept the slam valve base, so I'm going to have to figure something out with it. I've been planning on completely drilling it out anyways.

I actually had to shim the slam valve base in the dropout changer with one of the old valve springs y0da sent me. I think there is a ton of variation over the years when it comes to valve depth.

The first thing I noticed is that the valve has a very short travel, probably about half of what you'd see a normal Nelson valve open to. Despite that, I had no problem getting to full velocity using a standard silver CCI mainspring and Lapco fluted hammer.

I got 34 above 250, with an average of 299 FPS. I could probably do more with a slightly lower velocity, I was running in the 280s before. I think this is a pretty good start.

Attachment 34575
I have extrapolated the values from your graph: 300,307,303,292,299,297,291,303,270,290,282,296,30 8,304,296,315,297,302,298,308,312,315,301,317,309, 309,316,313,317,302,295,272,277,262,249,219,203,17 7

It is corect?

When is the muzzle velocity of the shoots converted in kinetic energy (Joules) - for better comparsion of markers with different velocity setting - the best know results for nelsons are imho:

488 WickedKlown2 GreyGhost
462 1996XJ Phantom VSC w. .679"
460 russc slamvalve unregged nelson
439 greenmtnphantom Gargoyle
419 3022 New Hammer w .683"

Your result is surely very, very good. And from one point of view you are on the 3. place... but from other point of view... when you have not some other problem with the marker (bad paint to barrel match, some leaks or so) then the new valve looks not much impressive for me -you are only few shoots above my miserable New Hammer with common valve and only 4mm ID powertube and 1996XJ Phantom has the same efficiency like you.
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Old 03-26-2013, 06:21 PM   #1383 (permalink)
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As always, 3022 will find a way to manipulate the deadest of all topics. This is no different.
Let's see what you can do. I just about wrote this thread off
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THE-SHOOTIST Anyone chubbin' like me for this?
mailmanmike Since Monday! That's more than 4 hours though, so according to those cialis ads I should see my doctor.
tlane77 I think for a non-chemical chubby it's 6 hours before its time to see a doctor. So you should be good for another couple hours.
splattttttt I wasn't goin to google "chubbin" because I assumed it had to do with fat. The lard type, not the fun stuff. But what ever feelings Jeff's experiencing, then they must be of the fun like stuff...
tlane77 He's got a woody for your woods.
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Old 03-26-2013, 08:25 PM   #1384 (permalink)
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Please dont. I have every intention of gettint this even if its a **** hair of a difference
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Old 03-26-2013, 09:07 PM   #1385 (permalink)
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Please dont. I have every intention of gettint this even if its a **** hair of a difference
so it ain't dead?
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THE-SHOOTIST Anyone chubbin' like me for this?
mailmanmike Since Monday! That's more than 4 hours though, so according to those cialis ads I should see my doctor.
tlane77 I think for a non-chemical chubby it's 6 hours before its time to see a doctor. So you should be good for another couple hours.
splattttttt I wasn't goin to google "chubbin" because I assumed it had to do with fat. The lard type, not the fun stuff. But what ever feelings Jeff's experiencing, then they must be of the fun like stuff...
tlane77 He's got a woody for your woods.
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Old 03-26-2013, 09:23 PM   #1386 (permalink)
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Not dead on my end either, I just have even less time than I used to for getting things out.
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Old 03-26-2013, 09:35 PM   #1387 (permalink)
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Originally Posted by splattttttt View Post
As always, 3022 will find a way to manipulate the deadest of all topics. This is no different.
Let's see what you can do. I just about wrote this thread off
I have really problem understand you. With what do you have problem?
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Old 03-26-2013, 10:04 PM   #1388 (permalink)
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I have really problem understand you. With what do you have problem?
not at all friend. I think you're awesome
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"Democracy is the worst form of government except for all the others which have been tried." Winston Churchill

THE-SHOOTIST Anyone chubbin' like me for this?
mailmanmike Since Monday! That's more than 4 hours though, so according to those cialis ads I should see my doctor.
tlane77 I think for a non-chemical chubby it's 6 hours before its time to see a doctor. So you should be good for another couple hours.
splattttttt I wasn't goin to google "chubbin" because I assumed it had to do with fat. The lard type, not the fun stuff. But what ever feelings Jeff's experiencing, then they must be of the fun like stuff...
tlane77 He's got a woody for your woods.
splattttttt land
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Old 03-26-2013, 11:12 PM   #1389 (permalink)
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Any improvement is an improvement. If you group several small improvements such as proper underbore, high flow power tube, high flow tpc, proper springing, large volume valve, properly weighted hammers, and a highly efficient and consistent valve. You end up with a better version of a design that was bad *** from the start. I mean its a testiment to the design that we all have to scratch our heads this long to improve upon it no?
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Old 03-27-2013, 07:19 AM   #1390 (permalink)
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agreed Keebs! Though from a mathematical standpoint, a Nelson valve has been said to achieve as many as 75 shots max. Don't know which Nelson brand valve that figure came from? But a mathematical genius might?
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"Democracy is the worst form of government except for all the others which have been tried." Winston Churchill

THE-SHOOTIST Anyone chubbin' like me for this?
mailmanmike Since Monday! That's more than 4 hours though, so according to those cialis ads I should see my doctor.
tlane77 I think for a non-chemical chubby it's 6 hours before its time to see a doctor. So you should be good for another couple hours.
splattttttt I wasn't goin to google "chubbin" because I assumed it had to do with fat. The lard type, not the fun stuff. But what ever feelings Jeff's experiencing, then they must be of the fun like stuff...
tlane77 He's got a woody for your woods.
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