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03-27-2012, 08:54 PM | #91 |
I hear them call the tide
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:still has no bike:
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The most difficult thing is the decision to act, the rest is merely tenacity Amelia Earhart |
03-27-2012, 09:04 PM | #92 |
Only looks like a disaster tourist
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Here's a question for you weight weenies: why use titanium when aluminum is so much lighter?
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03-27-2012, 09:44 PM | #93 |
I hear them call the tide
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Location: Perpetual Chaos
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because Brits don't call it titanum?
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The most difficult thing is the decision to act, the rest is merely tenacity Amelia Earhart |
03-28-2012, 05:12 AM | #94 | |
Старый сержант
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Quote:
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03-28-2012, 05:15 AM | #95 |
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I really don't know, being a newb I've thought about this myself a few times in the last few months. I have come to the conclusion that you can make a pretty light alloy, and when you go down with the bike, because you will go down with the bike eventually....the frame will come out in better shape then a carbon or straight aluminum. I am prolly wrong, but it's what I've come up with on my own.
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Birth, wealth, and position are valueless during wartime. Man is only judged by his character --Soldier's Testament. Death, like birth, is a secret of Nature. - Marcus Aurelius. |
03-28-2012, 05:24 AM | #96 | |
still says videotape
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Quote:
Steel vs Titanium Look at the chart again. You'll see that identical steel vs titanium frames would be about equal in strength, but that the titanium frame would be about half the weight and half the stiffness. Such a frame would likely have a whippy feel due to the reduced stiffness, especially in loaded touring applications. To compensate, builders of titanium frames use somewhat larger diameter tubes to bring the stiffness more into line with what riders like. This tends to increase the weight a bit, but by making the walls of the larger tubes a bit thinner, they can compensate to some extent, and come up with a frame that is still lighter than a normal steel frame. Steel vs Aluminum The situation with aluminum is even more pronounced. The "identical" aluminum frame would be 1/3 as stiff as steel, roughly half as strong, and 1/3 the weight. Such a frame would be quite unsatisfactory. That's why aluminum frames generally have noticeably larger tubing diameters and thicker-walled tubing. This generally results with frames of quite adequate stiffness, still lighter than comparable steel ones.
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