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saving gas?

Printed From: Tippmann Paintball
Category: Tippmann Paintball
Forum Name: Paintball Ideas / News From Tippmann
Forum Description: Got a new idea or a way to improve something?
URL: http://www.tippmannsports.com/forum/wwf77a/forum_posts.asp?TID=143904
Printed Date: 09 June 2026 at 11:31pm
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Topic: saving gas?
Posted By: aGUYnamedLARRY
Subject: saving gas?
Date Posted: 24 October 2005 at 9:02pm
Using a stock barrel for a 98c would wrapping electrical tape around the air ports in the middle of the barrel save any gas?

I tried doing that today but since my co2 tank was almost empty I couldn't really tell.   


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Replies:
Posted By: ninety8freak
Date Posted: 24 October 2005 at 9:38pm
probably not very noticeable if any at all, i hope you like the sound it makes...


Posted By: Tippy740
Date Posted: 24 October 2005 at 9:44pm
No the co2 needed to shoot it has already been used by then... think bout it.

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Posted By: sneaky_sniper
Date Posted: 24 October 2005 at 10:30pm
all the gas that would have gone out the porting still leaves the tank, thus goes bye bye and covering the porting makes barrels louder

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Posted By: pepprdog
Date Posted: 24 October 2005 at 11:56pm
you do actually get a bit more velosity when covering the ports in the middle of the barrel, so to lower the velosity you would screw in a stock adjuster theortically saving a small amount of CO2.
Using a rear velosity adjuster you would save some more but probably not enough to be very noticable.

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Posted By: aGUYnamedLARRY
Date Posted: 25 October 2005 at 10:19am
But I read somewhere that a ball picks up to its full speed in the first 8 inches of a barrel. Seeing as a stock barrel is only 8 inches long, wouldn't it be letting out quite a bit of gas from the middle ports?  

It  didn't make a difference in sound,  in fact I thought it was more quiet then before.   But it's probably just me.

And another thing,  it isn't JUST a 98c stock barrel.   I've done some crazy stuff to it.   It has a 4 inch shot grouping  at 65 feet  and no curve  long distance.   Stays straight the whole way.   I can probably  get  pics of it  onto my computer but someone else will have to host it for me.   I took a metal file and did a crappy job rifleing it and it works REALLY well.


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In a world where everyone has gone mad, only the lunatic is truly sane.


Posted By: sneaky_sniper
Date Posted: 25 October 2005 at 5:47pm
i got a website, ill host if for ya, but u gotta gimme the pics first

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Posted By: aGUYnamedLARRY
Date Posted: 25 October 2005 at 7:26pm
Ok,  I also need to take those too. 
I won't be able to shoot till next sunday or monday and by then this thread'll be dead lol

I'll try it anyway.


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In a world where everyone has gone mad, only the lunatic is truly sane.


Posted By: Devil2
Date Posted: 26 October 2005 at 8:50pm
There is no use in taping them off if you are trying to save Co2. The ammount you will save will be negligible. Possibly enough to shoot 1 or 2 extra balls, if even that. But if you want to gain velocity, then that is a different ball game.
The gun (98 Custom) releases a certain amount of Co2 for each pull of the trigger. This ammount may be higher or lower depending on whether the Co2 is coming straight from the tank, or is expanding in a remote or expansion chamber before being released. We'll just assume that it is all being expanded before being fired. The gun will always release the same amount, or very close to the same amount of Co2 for each shot, thus there is no way to alter it significantly by just altering the barrel. You would need to mess with the internals to do this. Lighter bolt spring.. RVA.. those kinds of things.

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Posted By: Mr. Heckler
Date Posted: 26 October 2005 at 10:08pm

All taping the stock barrel porting does is make it go further at the expense of accuracy in my experience.



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Posted By: aGUYnamedLARRY
Date Posted: 26 October 2005 at 10:59pm
Well,  like I said,  I filed the inside of my  barrel as best I could like real rifling (works great btw)    in the process of doing this "rifling"  I made the inside of the barrel slightly bigger,  only slightly though. 
I noticed   no difference in accuracy  by closing up the barrel portings.


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In a world where everyone has gone mad, only the lunatic is truly sane.


Posted By: commie_killer
Date Posted: 27 October 2005 at 7:16pm
rifling won't work on a paintball the way it works on an actual bullet.....the rifling in a barrel actually grips the bullet and forces it to spiral....that's why if you look at a recovered bullet you'll notice gouges in the bullet.....that's how they can match up the bullet to a particular gun.  All it's going to do on a paintball is bust it. Also I'd like to know how you rifled a barrel with a file....it takes special equipment to do that kind of work....all you'll do with a file is scratch it to hell.


Posted By: aGUYnamedLARRY
Date Posted: 28 October 2005 at 12:36pm
http://www.hammerheadpaintball.com/main/barrels.htm

There,  rifled paint ball barrels.   They also have a video if you'd like to see it. 

Well,  I said it was a crappy job rifling,  didn't I?
All I did was stick the metal file in at an angle halfway down the barrel  so all the scratches go in the same direction.   

It's not huge deep grooves  like in a real rifle,  The biggest groove I have is less then an 8th of an inch deep,  it's not gouging  the side of the ball at all.   On the inside of my barrel,  there are parts of it that are un touched by my file, leaving smooth spots for the ball to run on.   The part that I filed down are just past the finishing on the barrel.   So I have some rouch spots that the ball follows,  thus putting a slight spin on the ball.   You can shoot them up into the air on a clear day and see them spin,  it's pretty cool looking. 
Out of the 500 or so shots I've fired from it,   I have not broken a single ball.   

And for all those people who say "a paintball is not perfectly round,  when you spin it it'll curve"   well,  I have not noticed  a curve in my shot,  at close range or at a distance.    The balls don't curve,  and even if they did,  they'd  curve the same direction everytime. 
So you could simply adjust to how much it curves and there ya go. 
Cause it would curve to the same place everytime. 

Hey,  I said I can try and take pics,  I won't be able to have a good shot of the inside of the barrel  but I'll be able to prove the accuracy of it. 


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In a world where everyone has gone mad, only the lunatic is truly sane.


Posted By: Yomillio
Date Posted: 30 October 2005 at 5:43pm

Originally posted by aGUYnamedLARRY aGUYnamedLARRY wrote:

But I read somewhere that a ball picks up to its full speed in the first 8 inches of a barrel. Seeing as a stock barrel is only 8 inches long, wouldn't it be letting out quite a bit of gas from the middle ports?  

It  didn't make a difference in sound,  in fact I thought it was more quiet then before.   But it's probably just me.

Your right about the 8 inch thing.  But, it should make it louder.  That is why the A-5 flatty sounds like you just blew something up.



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Posted By: c411m3b0b
Date Posted: 30 October 2005 at 5:58pm
in theory yes but i dont think on a stock 98 barrel it would make much difference but a barrel with alot of porting it could help a little

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Posted By: aGUYnamedLARRY
Date Posted: 31 October 2005 at 1:27pm
Well I'll experiment with it a little,  see if I like it better with or without  the tape.   I know I'm keeping the barrel though,  it's FREAKIN AWESOME!!!

lol


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In a world where everyone has gone mad, only the lunatic is truly sane.



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