Are these tires any good?

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Randy H

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I use billet aluminum caps and titanium valve stem cores. It reduces unsprung weight and makes any machine handle like an Indy car.
 
Bbqjoe

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Poboy kartman said:
HELIUM???? Didn't the Hindenburg teach you anything???

Hydrogen is much more fun....( although, if anyone REALLY wants to research that, they'll find it was the fabric and not the gas.)
Click to expand...

A little research also shows it was filled with hydrogen and not helium.
Helium is non-flammable.
 
Flyinhillbilly

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I actually had a guy telling me that he knew some people that filled the tires on their race car with helium. I use nitrogen in mine, but I didn't bother arguing with him.
 
Bbqjoe

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Randy H said:
I use billet aluminum caps and titanium valve stem cores. It reduces unsprung weight and makes any machine handle like an Indy car.
Click to expand...

I once had a dude stop in at the R, he had a biz set up in a van.
He replaced people's air in their tires with nitrogen, or something like that.

I did not partake of his services.
 
Flyinhillbilly

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Bbqjoe said:
I once had a dude stop in at the R, he had a biz set up in a van.
He replaced people's air in their tires with nitrogen, or something like that.

I did not partake of his services.
Click to expand...

Nitrogen filled tires is actually legit. The molecules are larger than the rest of the components of air and it loses less air through the body of the tire because of it, also nitrogen had no moisture in it and doesn't vary with temperate nearly as much as air which is why I use it in my race car. Big burnouts don't affect my tire pressure as much, and I'm kind of known for my 4-600ft burnouts.
 
chancer

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Flyinhillbilly said:
Nitrogen filled tires is actually legit. The molecules are larger than the rest of the components of air and it loses less air through the body of the tire because of it, also nitrogen had no moisture in it and doesn't vary with temperate nearly as much as air which is why I use it in my race car. Big burnouts don't affect my tire pressure as much, and I'm kind of known for my 4-600ft burnouts.
Click to expand...

That is Correct. We used to use Dry nitrogen in Stock Car Racing tires
For the same reason. As the tire heats up, the air heats up, increasing the pressure, and also increasing the size of the tire. Which can negatively effect the handling of the car as a race progresses.:thumbsup:
 
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Oh yea? Well I fix computers n stuff.:rolleyes:

If it weren't for Youtube and sites like this, folks like me would be screwed on this kinda stuff!
 
Poboy kartman

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FB: I have racing relatives. You are 100% correct, (but you always are where racing is concerned.)

And Joe....reread that post...I was fully aware of what gas was in the Hindenburg. That's why I mentioned it when I mentioned hydrogen.

However, it was the fabric that brought it down, not the gas. You can even see it in the way it burned. They did tests on the fabric, and found it to be highly flammable, and even ignited a sample with static electricity ( the other cause of the Hindenburg tragedy.)
 
Whitetrashrocker

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The hydrogen definitely helped the demise but yes it was the "dope" that covered the skin that burned.

My dad and I are restoring a Piper super cub. It like many other planes are a cromolly frame covered in fabric. The fabric is glued to just a few places on the frame. Namely the hard corners. Then you run an warm iron over it and the fabric shrinks. Quite the learning curve to do this uniformly.
The next steps are many layers of "dope". A thin paint like plasticised lacquor. There are different kinds. The first few coats are to fill the holes in the fabric, then the next are a silver color to stop the UV from damaging the fabric, then the top few coats are the actual color of the plane.

The chemical formula has changed a little to make it less flammable. But the process is still in use today.

Here's a quote from wiki.
The highly flammable mixture of fabric, dope and hydrogen gas was a factor in the demise of the Hindenburg airship.
 
Poboy kartman

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Good gosh...NOW WE FIND OUT YOU'RE A DOPER AS WELL?

For the rest of the world: "dope" in the aviation world is lacquer based finish.

BUT!!! It wasn't a lacquer based finish that was on the Hindenburg!!!!

It was the metal that caused the problem!!!

Do some research, prove me wrong.....(ain't happening....but I get bored now and again... )
 
Rail rider

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Bbqjoe said:
To be honest, I'm not even sure what those are, but I'm gonna guess you'll get at least a few more HP.

Another way to add compression is to make the cylinder volume smaller.
You can take up some cylinder space by adding a few ounces of lead shot through the spark plug hole. I use #7 shot.

It sounds awful when you first start it up, but eventually the lead melts and adheres to the top of the piston, making the piston much taller.
Click to expand...

Those are valve extenders for duelly's. Found on RVS and big rigs.
 
Hellion

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Flyinhillbilly said:
...I do front end and brake work at a tire shop, and we get bundled tire all the time. None have been a problem yet.
Click to expand...

Not that I really doubt it, but they squash flat passenger car and truck tires too?

I had the same deal with some bargain lawn and garden tires I ordered through that big 'W' retailer; squashed as flat as the monkey with the shrink wrap could get them. :censored:
 
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