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Originally Posted by knobster
(Post 11138598)
I think you seriously need to lighten up. Anyone can tell that I was kidding around. Why would I think his bike would burst into flames?
you know what, it's 5pm somewhere, i'll sip some wine. cheers:thumb: |
Originally Posted by knobster
(Post 11138598)
I think you seriously need to lighten up. Anyone can tell that I was kidding around. Why would I think his bike would burst into flames?
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Originally Posted by Fat Boy
(Post 11138611)
Of course mag will burn, but not under normal bicycle usage. In fact, often race car suspension pieces (uprights) are made of mag and the brake calipers are bolted to them. Naturally, brakes get pretty damned hot. There are never mag fires due to brake heat. If it can life through that, then it can live through anything we're likely to put it through. The discussion is about whether it's mechanical properties lend it to being a good bike frame material. Frankly, it seems like a little more trouble than it's worth. Between Carbon, Steel, AL and Ti, I think we're pretty well covered.
The only consideration would be how hot you could get how thin of material. I have no idea. But, say you have a very thin tube that is sliding down the road in an accident. Will it flash? |
American Classic makes a magnesium wheelset, as many of you know, and they want you to wipe them down after each use etc. Very very high maintenance.
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Originally Posted by mcjimbosandwich
(Post 11138620)
b/c some in the 41 are actually dumb enough to say ridiculous things like that.
you know what, it's 5pm somewhere, i'll sip some wine. cheers:thumb: |
Originally Posted by Phantoj
(Post 11138651)
It's all fun until you're the brunt.
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Originally Posted by Tulex
(Post 11138559)
I've turned magnesium. It absolutely will go up in flames. But then, so will titanium and steel. I've seen the results of a lathe that had a chip pan full of fine titanium chips that caught fire. Talk about a flash fire.
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Originally Posted by ahsposo
(Post 11138702)
I had a lot of fun one afternoon playing with a mix of aluminum powder and rust ignited by strips of magnesium. Man that stuff BURNS!
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Originally Posted by wens
(Post 11138744)
Thermite is extremely hot stuff.
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Originally Posted by ahsposo
(Post 11138772)
fify
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I recall these interesting I-beam magnesium frames being sold in the 80's:
http://bikehugger.com/images/blog/kirk_precision.jpg The magazine article described the maker (Kirk?) driving his car over the frame, then reinstalling the wheels and riding it away, completely true & unbent, allegedly. |
Originally Posted by knobster
(Post 11138689)
Oh I take my share... Nobody is immune here.
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Originally Posted by Tulex
(Post 11138661)
Did you note the part where I said so will steel?
The only consideration would be how hot you could get how thin of material. I have no idea. But, say you have a very thin tube that is sliding down the road in an accident. Will it flash? |
Originally Posted by Fat Boy
(Post 11139148)
I think we all agree that this scenario should be the overriding criteria for bicycle frame material selection.
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Just to add some more stupidity to this thread.
Here is what I imagine a Mg cyclist would look like: http://www.maniacworld.com/flaming-bicycle-rider.jpg :lol: |
I've said it before hereabouts, my Litech Mg frame possesses the best combination of ride characteristics of any of my bikes. It is as stiff and light as my CF bikes; Colnago C40, Velo Vie Vitesse 100 and Look 386. It rides as smoothly and forgivingly as my Steel Torelli Express and Ciocc COM 12.5 and tops the ride quality of my Tommaso Super Legerra Ti. It's also nearly as stiff as my stiffest frame, BMC Race Master (mix of CF and Al). I only wish more builders offered more Mg frames. Other than Segal, I am unaware of other builders currently offering Mg frames. When it's going to be a long ride at a fast pace with ample climbing, I'll take Mg.
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Originally Posted by zatopek
(Post 11140057)
I've said it before hereabouts, my Litech Mg frame possesses the best combination of ride characteristics of any of my bikes. It is as stiff and light as my CF bikes; Colnago C40, Velo Vie Vitesse 100 and Look 386. It rides as smoothly and forgivingly as my Steel Torelli Express and Ciocc COM 12.5 and tops the ride quality of my Tommaso Super Legerra Ti. It's also nearly as stiff as my stiffest frame, BMC Race Master (mix of CF and Al). I only wish more builders offered more Mg frames. Other than Segal, I am unaware of other builders currently offering Mg frames. When it's going to be a long ride at a fast pace with ample climbing, I'll take Mg.
Was your Litech made in Russia? |
Originally Posted by Tulex
(Post 11139188)
Oy, my reply was to if it could burn, not if you should make frames out of it.
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I had a look at the Segal website. They look like reasonably nice bikes, but for making such a big deal about weight, they're nothing special. They claim 1175g for a frame (what size?). That's maybe 150g heavier than a top-notch AL frame and 150g lighter than a top-notch steel frame. It's about 300 grams heavier than a very good carbon frame.
There are many different ways to measure a bike's value, and weight is relatively low down on the list for me. If it rides nice, then that is much, much more important. I've never ridden a mag frame, so I can't comment on that. However, for all of you that comment on how light a mag frame is, I think you might need a little reality check. Like I said initially, the specific stiffness and specific strength of most bike materials are frustratingly similar. Carbon being the outlier. There just aren't big gains to be found on the scales when it comes to bike construction. |
Originally Posted by calamarichris
(Post 11139047)
I recall these interesting I-beam magnesium frames being sold in the 80's:
http://bikehugger.com/images/blog/kirk_precision.jpg The magazine article described the maker (Kirk?) driving his car over the frame, then reinstalling the wheels and riding it away, completely true & unbent, allegedly. http://www.kirk-bicycles.co.uk/Kirk.htm |
Originally Posted by sbxx1985
(Post 11140179)
Interesting. If you had to decide between your favorite carbon bike and the Litech to do 95% of your riding, which one would you choose? Why?
Was your Litech made in Russia? |
Originally Posted by mcjimbosandwich
(Post 11138620)
b/c some in the 41 are actually dumb enough to say ridiculous things like that.
you know what, it's 5pm somewhere, i'll sip some wine. cheers:thumb: Is the 41 the only place you find dumb people, jimbo? You ever come across dumb people personally, in real life, jimbo? |
Originally Posted by Fat Boy
(Post 11140375)
At what point was this up for debate?
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