After Ours
1/2 ton status
I mounted 5 spare tires to the front of my truck...they hold all the air I need and pedestrians bounce right off of them.
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Bumper Air Tanks Yea or Nay?
- Thread starter Dallin
- Start date
- Status
That was funny
G
goldwing2000
Guest
Please.
Not one single post on here has shown that bumper air tanks are either illegal or unethical. Just a few "chicken littles" worried that 3/16" thick steel (with about 50,000 psi tensile stength) will suddenly go nuclear from 120 psi behind it.
Yeah... whatever.
Not one single post on here has shown that bumper air tanks are either illegal or unethical. Just a few "chicken littles" worried that 3/16" thick steel (with about 50,000 psi tensile stength) will suddenly go nuclear from 120 psi behind it.
Yeah... whatever.
fabjunkie
1/2 ton status
BOOM 
TimeWarp
Registered Member
mostwanted said:
Isn't that supposed to say bass tank?
fabjunkie
1/2 ton status
WTH is a bass tank? Looks like it should be gas tank.
Thanks for that characterization. I don't even know you.goldwing2000 said:
Obviously 3/16" plate can hold 120 psi. What about the welds?
Do you know what the stress' are at those welds? Neither do I. Do you know what the Fatigue Life of those welds is? Neither do I. That was my point way back when. It probably won't explode with shrapnel, but that doesn't mean it can't.
Comes down to this: If I'm trail boss your bumper tank WILL be MT. If I'm not trailboss then I'm going somewhere different from you.
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goldwing2000
Guest
ntsqd said:
If done properly, welds are stronger than the base metal (around 70,000 psi tensile).
And YES that does mean that CAN NOT SHRAPNEL from 120 psi behind it!! 50,000 is WAY greater than 120. Period. Full stop. End of discussion.
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goldwing2000
Guest
Just to prove my point, here is a video of ME shooting a propane tank with a .50 caliber incendiary bullet.
A propane tank is WAY thinner than a bumper should be, has a big fat weld all the way around the middle, has a working pressure of 250psi and contains a flammable/explosive gas.
http://home.comcast.net/~tyoturu/propane2.wmv
Here's a preview: IT DOESN'T SHRAPNEL!! It has two .50 caliber holes in it. One going in and one going out.
I swear you people watch too many bad action movies...
A propane tank is WAY thinner than a bumper should be, has a big fat weld all the way around the middle, has a working pressure of 250psi and contains a flammable/explosive gas.
http://home.comcast.net/~tyoturu/propane2.wmv
Here's a preview: IT DOESN'T SHRAPNEL!! It has two .50 caliber holes in it. One going in and one going out.
I swear you people watch too many bad action movies...
IMO, the huge changes in handling caused by suspension and body lifts and larger tires, and the raising of the center of gravity, is immensely more dangerous than a theoretical "catastrophic explosion" caused by an air tank bumper. Hundreds of times I've seen advice given on lifting trucks, and almost every time a sway bar is mentioned, remove it is the response, with no warnings about how the handling significantly changes due to the increased body roll and increased likeliness of a roll over, real everyday hazards encountered by us all!
Yet a pressurized bumper is a top safety no-no............oh, come on!
By the way, I run a sway bar with a QD, thirty five inch tars and about six inches of lift, have driven lifted trucks for over twenty years, and plan on puttin' 120+ psi in my rear bumper............'ell maybe even my (Heaven forbid) sliders!
Yet a pressurized bumper is a top safety no-no............oh, come on!
By the way, I run a sway bar with a QD, thirty five inch tars and about six inches of lift, have driven lifted trucks for over twenty years, and plan on puttin' 120+ psi in my rear bumper............'ell maybe even my (Heaven forbid) sliders!
goldwing2000 said:Just to prove my point, here is a video of ME shooting a propane tank with a .50 caliber incendiary bullet.
A propane tank is WAY thinner than a bumper should be, has a big fat weld all the way around the middle, has a working pressure of 250psi and contains a flammable/explosive gas.
http://home.comcast.net/~tyoturu/propane2.wmv
Here's a preview: IT DOESN'T SHRAPNEL!! It has two .50 caliber holes in it. One going in and one going out.
I swear you people watch too many bad action movies...
I wanna come over and play at your house!!! You got's kool toys!!!
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goldwing2000
Guest
dontoe said:I wanna come over and play at your house!!! You got's kool toys!!!
Thanks. Spent a lifetime collecting them.
smalltruckbigcid
1/2 ton status
You know I shot a tank like that with my 243 and the damn thing split all the way around the middle just below the weld. Did have 2 bullet holes in it though. Big fireball....waycool
George
George
It's not the end of the discussion simply b/c you decree it so. Obviously your mind is made up, as is mine. I hope you're right, I prefer to err on the side of caution when something can kill me or those around me.goldwing2000 said:
Can Can
Pusher Man
And that is the official position of CK5 as well. I would hate to see a news story one day about young Johnny from Alabama that was killed or injured because of something he "read on CK5".........
Thanks for the injection of common sense, Thom.
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goldwing2000
Guest
It's not "my decree", it's physics. Ask anyone with any engineering knowledge and you'll get the same story.
But hey... if you prefer to run around thinking your sky is falling, that's your prerogative.
Unless you're talking about sense that is common in some parallel universe where the physical laws of this universe don't apply. Then yeah, it may be common sense.
Any of you rocket scientists ever hear of the Bricklin? It had pneumatic gullwing doors and the front bumper was... yep, you guessed it... an air tank!! *GASP*
http://en.wikipedia.org/wiki/Bricklin_SV-1
But hey... if you prefer to run around thinking your sky is falling, that's your prerogative.
CanmoreK5 said:
Sorry... this doesn't fit the definition.
Unless you're talking about sense that is common in some parallel universe where the physical laws of this universe don't apply. Then yeah, it may be common sense.
Any of you rocket scientists ever hear of the Bricklin? It had pneumatic gullwing doors and the front bumper was... yep, you guessed it... an air tank!! *GASP*
http://en.wikipedia.org/wiki/Bricklin_SV-1
Can Can
Pusher Man
You know what, brother? You're not picking up what I'm laying down........
As a representative of CK5, I have responsibilty to ensure that what is being preached here is on the up and up. YOU have no such responsibilty, and it shows. Additionally, you have no vested interest in the reputation of CK5 as a reliable source of good info- heck, you haven't even bothered to support the site.
What it all boils down to is that although you're entitled to your opinion, you're NOT entitled to undermine what some of us have worked long and hard to build. And your inabilty to look at things through our eyes, tempering opinion with caution, shows me that you don't really care whether your audience understands the ramifications of your point of view.
Lastly, your cocky attitude isn't doing you any favors.
As a representative of CK5, I have responsibilty to ensure that what is being preached here is on the up and up. YOU have no such responsibilty, and it shows. Additionally, you have no vested interest in the reputation of CK5 as a reliable source of good info- heck, you haven't even bothered to support the site.
What it all boils down to is that although you're entitled to your opinion, you're NOT entitled to undermine what some of us have worked long and hard to build. And your inabilty to look at things through our eyes, tempering opinion with caution, shows me that you don't really care whether your audience understands the ramifications of your point of view.
Lastly, your cocky attitude isn't doing you any favors.
fireplug
1/2 ton status
Too be absolutely fair I'd say not only is he right and on the ball, but CK5 dances in, around, and on, WAAAAAY more dangerous modifications openly everyday. ie. disk brake swaps.
To question of all modifications, air holding bumpers is nothing short of ridiculous.
If we are so diligent at policing common sense around here maybe we as a community are going to have to start requesting driving proficiency tests scored above 80% before being permitted access to the site.
To question of all modifications, air holding bumpers is nothing short of ridiculous.
If we are so diligent at policing common sense around here maybe we as a community are going to have to start requesting driving proficiency tests scored above 80% before being permitted access to the site.
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goldwing2000
Guest
It seems that you don't understand the difference between "my opinion" and the laws of physics.
But hey... whatever. If you consider canonizing false information just for the sake of an ill-placed perception of "safety", then that's your choice.
As has been previously said, "the huge changes in handling caused by suspension and body lifts and larger tires, and the raising of the center of gravity is immensely more dangerous than a theoretical "catastrophic explosion" caused by an air tank bumper."
But that's all just crazy talk, right?
Baaaa-baaaa...
And then wonder why I don't "support the site"...
beater_k20
Banned
right... i'm going to put 10x atmospheric pressure (we'll assume 14.7psi) into a large tube (which will look gay BTW) with caps welded on the ends, then run through the woods or the rocks. great welder or not, pressure WILL be trying to equalize through said vessel. smack a rock or tree just right, and the pressure differential will equalize VERY quickly as soon as it finds a weak spot, be it through the weld, or a dented section of the tube.
if this "cannot happen" would you care to explain why industrial air lines, like the ones in our shop, crack and break? they dont even move, nor are they in harm's way tucked between the rafters in the shop. strap it to the front or the side of your truck, now its flexing and being used as a device to protect the body of the truck, so certainly in harm's way. we've had 5 hard lines rupture in 4.5 years.
if this "cannot happen" would you care to explain why industrial air lines, like the ones in our shop, crack and break? they dont even move, nor are they in harm's way tucked between the rafters in the shop. strap it to the front or the side of your truck, now its flexing and being used as a device to protect the body of the truck, so certainly in harm's way. we've had 5 hard lines rupture in 4.5 years.
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