GBH
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New spokes wheels have right angle metal valves mounted on the rim. And I have not seen any loose spoke on my 1250 yet
What is this pin for?
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AberdeenAngus
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I know it doesn't exist but we treat it as if it does for practicality sake. FFS what is it with feckin theorists. They'd rather be precise than understandable.
We know gravity doesn't actually exist but we treat it as if it does, to stop our brains exploding thinking about space-time distortions.
Jeeez...
Centrapetal force is what your looking for...
A centripetal force (from Latin centrum, "center" and petere, "to seek") is a force that makes a body follow a curved path. Its direction is always orthogonal to the motion of the body and towards the fixed point of the instantaneous center of curvature of the path.
A centripetal force (from Latin centrum, "center" and petere, "to seek") is a force that makes a body follow a curved path. Its direction is always orthogonal to the motion of the body and towards the fixed point of the instantaneous center of curvature of the path.
AberdeenAngus
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Centripetal force is the inward force. The effect of the outward force is called centrifugal force (though we know it doesn’t really exist).
WTF?! I have vertical valves on my 1250 GSA (base).
Keep the dust cap on - simple.
The force towards the centre isn't caused by the rotation, it's caused by GRAVITY.
fred_jb
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I didn't say what the force towards the centre (centripetal force) was caused by, just that it exists, unlike the imaginary centrifugal force.
I suppose in the case of the earth orbiting the sun you would be correct to say the force towards the centre is gravitational attraction (though let's not get into exactly what that is!). In the case of a rotating wheel I would say that what stops bits of the wheel rim flying off at a tangent is not gravity but the restraining force exerted by the spokes linking rim to hub - at least until they fail!
How does any of this work, if the Earth is flat ?
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fred_jb
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Something screwy going on with the quoting in this thread. I previously quoted ChazzyB's comment about "GRAVITY" and the quote above my reply got attributed to me. You have now quoted my reply to ChazzyB's comment about "GRAVITY" but that quote is attributed to ChazzyB instead of me?
As for how does any of this work if the earth is flat - then as the centripetal force is not due to "GRAVITY" then I don't think a flat earth would matter!
(When I previewed this post my name got inserted into the Tractors are go quote, just like the others, and I had to manually edit it out to get the quote to be properly attributed.)
Parallel universe is twisting gravity; or to quote Scottie;
Yah cannae change the laws of physics Capn
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Yah cannae change the laws of physics Capn
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fred_jb
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I blame Brexit!
(I don't know what I did differently, but that quote worked correctly.)
Nah, it keeps the dust out.I'm sure the valve dust cap might have a hand in keeping the air in too.
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AberdeenAngus
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You could not be more wrong. You could try, but you would fail.
fred_jb
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Except it wasn't me who said that - just the quoting attribution on here seems to be screwed at the moment. Here is the original:
So please direct your comments to the actual author of that statement!
My original reply to ChazzyB's comment was:
"I didn't say what the force towards the centre (centripetal force) was caused by, just that it exists, unlike the imaginary centrifugal force.
I suppose in the case of the earth orbiting the sun you would be correct to say the force towards the centre is gravitational attraction (though let's not get into exactly what that is!). In the case of a rotating wheel I would say that what stops bits of the wheel rim flying off at a tangent is not gravity but the restraining force exerted by the spokes linking rim to hub - at least until they fail!"
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It's a rotation counter. When the tyres go flat, fill it with air and it'll carry on counting. It's the air that keeps it fuelled.
I can handle being wrong, unlike many of the flat earthers on the site.
Can you remind how objects stay in orbit around the earth, please?
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