Shane661
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posted September 03, 2009 01:54 PM
 Edited By: Shane661 on 3 Sep 2009 22:04
Heating/Cooling of Aluminum??
I just got a lead furnace today, and I have been experimenting with filling some old axles. In a couple of cases, I heated the end of the axle with a propane torch to smooth the lead on the ends (after filling).
In order to cool the axle, I ran it under tap water. My question is, at these temps is there any danger of making the aluminum brittle by cooling it rapidly? The aluminum was not red hot or anything, just a little benzo torch.
I may be dumb about a lot of things...but when it comes to metallurgy, I am just plain stupid. 
Shane
  
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Gixx1300R
Expert Class
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posted September 03, 2009 02:58 PM
Are you axles aluminum or steel?
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Shane661
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posted September 03, 2009 03:20 PM
Looks and feels like aluminum to me. 
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dougmeyer
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moderated
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posted September 03, 2009 08:26 PM
Lead melts at about 660F, aluminum at about 1200F, so I wouldn't worry.
What I WOULD worry about, though, is that you have aluminum axles. Better do a magnet check on those.........
I've never held a ZX-14 axle, but I'm just sayin'.....
Doug
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Shane661
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posted September 03, 2009 09:20 PM
quote:
Lead melts at about 660F, aluminum at about 1200F, so I wouldn't worry.
What I WOULD worry about, though, is that you have aluminum axles. Better do a magnet check on those.........
I've never held a ZX-14 axle, but I'm just sayin'.....
Doug
Did I mention:
"I may be dumb about a lot of things...but when it comes to metallurgy, I am just plain stupid."
The front axle weighs 15 oz. I thought that was pretty light, and I don't have a magent here...I guess it is just thin, lightweight steel of some sort.
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NOX
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posted September 03, 2009 09:32 PM
cast iron skillet on a burner, or stove.........,
pour into what ever you are filling with lead........., wear boots, jeans, etc. No shorts and flip flops...., he he.
You will be fine with stock axles. half the bikes at the track have lead in a lot of places you would never think.........
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Texas12R
Zone Head
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posted September 04, 2009 02:04 PM
Well aluminum is sort of the opposite of steel
if you wanted to make 6061 aluminum soft
you would get it hot and quench it in water
then to harden it ..... Heat it and let it cool
in air..... Much more technical than that but thats
a general idea of what's involved
http://www.matsci.ucdavis.edu/MatSciLT/Other/Files/HT-Aluminum.pdf
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kaw-rick
Pro
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posted September 05, 2009 09:37 AM
Got mine filled. And it makes a difference.
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Shane661
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posted September 05, 2009 09:43 AM
I purchased a small lead furnace, and filled a spare axle:
Supplies:
Stock axle weighed:
Filled:
I did two axles, and the first was 6 oz. lighter when filled. I didn't heat the lead enough and it cooled quickly, causing some voids.
Shane
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tcchin
Zone Head
Posts: 867
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posted September 05, 2009 10:09 AM
You drag racing guys do the damndest things to your bikes. In roadracing, the ultimate setup is to use custom titanium axles that weigh about half of what the stock axles weigh. I guess the ultimate drag racing equivalent would be to use solid depleted uranium. A malignant tumor or two and an active FBI file: A small price to pay for a 20-pound axle.
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Shane661
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posted September 05, 2009 10:10 AM
quote:
You drag racing guys do the damndest things to your bikes. In roadracing, the ultimate setup is to use custom titanium axles that weigh about half of what the stock axles weigh. I guess the ultimate drag racing equivalent would be to use solid depleted uranium. A malignant tumor or two and an active FBI file: A small price to pay for a 20-pound axle.
I would love to find a lightweight Ti axle for LSR use....
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tcchin
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posted September 05, 2009 10:57 AM
http://www.yoyodyneti.com/ProductInfo.aspx?productid=YS03
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Shane661
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posted September 05, 2009 04:56 PM
quote:
http://www.yoyodyneti.com/ProductInfo.aspx?productid=YS03
I've yet to see one for the 14...
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entropy
Moderator
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posted September 06, 2009 09:01 AM
Shane,
you are obsessed!
(that's a compliment)
I like yr lil lead melting kit 
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SteddyTeddy
Pro
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posted September 07, 2009 05:36 AM
quote:
quote:
http://www.yoyodyneti.com/ProductInfo.aspx?productid=YS03
I've yet to see one for the 14...
The front axle out of a ZRX is just a couple mm different in length. I forget if it is longer or shorter. There are several guys around that can make you a Ti axle but will cost a couple hundred $$. This guy can make them. http://fmp215.com/index.shtml
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KZScott
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posted September 07, 2009 05:45 AM
hey Shane, check with Harry (northernkaw) he probly has some TI stuff made allready and on his 14s. he dropped something like 60 pounds from a 12R one time by going all out with TI and CF
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Shane661
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posted September 07, 2009 05:50 AM
Edited By: Shane661 on 7 Sep 2009 13:52
quote:
hey Shane, check with Harry (northernkaw) he probly has some TI stuff made allready and on his 14s. he dropped something like 60 pounds from a 12R one time by going all out with TI and CF
Any Ti will have to wait until winter.  I am broke as hell right now. My bike is currently around 80 lbs. lighter than stock, but this winter I plan to put it on a real diet.
If I wasn't 200 lbs, it would really be moving right now...
Last time out, still didn't hit the 8's (#9200):
Yes, I'm threadjacking my own thread.
Shane
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CrotchRocket
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Bracket Racing with Betsy
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posted September 07, 2009 06:00 AM
Hey Shane...Dont start with the Titanum crap now!!!
The lets say 30lbs you might drop with Titanium, would be ALOT more cost effective if you barely eat...
By barely eating you save $$$, and lose weight !!!!!...Therefore enabling yourself to go faster on your 14 !!!
Thread Jack that
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Shane661
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posted September 07, 2009 06:02 AM
Edited By: Shane661 on 7 Sep 2009 14:05
quote:
Hey Shane...Dont start with the Titanum crap now!!!
The lets say 30lbs you might drop with Titanium, would be ALOT more cost effective if you barely eat...
By barely eating you save $$$, and lose weight !!!!!...Therefore enabling yourself to go faster on your 14 !!!
Thread Jack that
I agree 100% Rick. My diet goals went to hell. I started at 211 in feb, went down to 191, and now back to 200. My goal was 175...
I bet if I put everything Ti I can on the bike, it would only save me under 10 lbs....and cost a whole lot.
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CrotchRocket
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Bracket Racing with Betsy
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posted September 07, 2009 06:05 AM
Thats it no more Cannoli's for you...lol
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2000redrocket
Pro
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posted September 09, 2009 07:42 AM
going on a diet is the cheepest horsepower you can get.
i like the heavy front idea. i may have to look into this. on my zx11c i had 10lb of weight i bolted on the front. that made a hell of a difference with no strap.
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Shane661
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posted September 09, 2009 07:43 AM
Well, if you have spare axle you want filled let me know. I can do it pretty cheaply now that I have the tools...
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VincentHill
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posted September 10, 2009 12:12 PM
Crotch, the difference is the Weight you take from the Bike NEVER Returns! The weight you take from yourself does! In Road race I always thought it was better for a 200 Pound rider to handle a 200 pound motorcycle than a 125 pound rider handling a 275 Pound Motorcycle
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