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Rust prevention
I'm building up a bike using a rather nice vintage steel frame. There is
more rust inside the tubes than I would like. It all seems to be surface rust, since a little steel wool removes it. Is there an oil or some rust prevention compound that I could use to coat the inside of the tubes to prevent further deterioration, or even remove some of what is there now? -- Bob Wheeler --- http://www.bobwheeler.com/ ECHIP, Inc. --- Randomness comes in bunches. |
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#2
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Rust prevention
"Bob Wheeler" wrote in message ... I'm building up a bike using a rather nice vintage steel frame. There is more rust inside the tubes than I would like. It all seems to be surface rust, since a little steel wool removes it. Is there an oil or some rust prevention compound that I could use to coat the inside of the tubes to prevent further deterioration, or even remove some of what is there now? -- Bob Wheeler --- http://www.bobwheeler.com/ ECHIP, Inc. --- Randomness comes in bunches. Weigle's FrameSaver |
#3
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Rust prevention
On Sun, 05 Jun 2005 16:40:13 -0400 Bob Wheeler
wrote: Is there an oil or some rust prevention compound that I could use to coat the inside of the tubes to prevent further deterioration, or even remove some of what is there now? I like LPS-3 for this. Don't confuse it with the more commonly available LPS-1, which has no real staying power for rust prevention. Don't worry about the rust that's already there, that's history. but preventing future rust is a smart thing to do. - ----------------------------------------------- Jim Adney Madison, WI 53711 USA ----------------------------------------------- |
#4
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Rust prevention
Bob Wheeler wrote:
I'm building up a bike using a rather nice vintage steel frame. There is more rust inside the tubes than I would like. It all seems to be surface rust, since a little steel wool removes it. Is there an oil or some rust prevention compound that I could use to coat the inside of the tubes to prevent further deterioration, or even remove some of what is there now? LPS products: http://www.lpslabs.com/Products/Lubr...Penetrants.asp or http://snipurl.com/fdtj FrameSaver available lots of places (ex: http://www.branfordbike.com/bikecare/bcare1.html#item3 ) Quoting from http://www.vintage-trek.com/refurbish.htm : INTERNAL RUSTPROOFING OF A FRAME Unlike some other frame materials, a steel frame does not degrade through normal use or simply through age. However, if a steel bike is ridden in the rain or is kept outdoors, rust in the inside surfaces of the frame tubing can be a problem. A way to check if your frame has been damaged by rust is to remove the bottom bracket and look at the bottom bracket shell and the tubes. Some rust is normal, but lots of rust or significant pitting can be a problem. To prevent, or significantly reduce, internal rusting, people spray the inside of the tubes with a rust preventative. Two excellent products are "Frame Saver" by J. Peter Weigle and "Boeshield T-9" developed by Boeing. Frame Saver is available at most pro bike shops and over the web. Which to use? Peter Weigle is a custom frame maker (support a fellow bike guy). Boeing makes lots of great things, but I believe bikes are not included . . . A poor-man's solution is to spray the insides with WD-40 penetrating oil. It dries to a thin, varnish-like coating that protects the metal. Not as good as the two products above, but much better than nothing at all. (BTW - because of this drying characteristic, WD-40 should not be used as a long-term lubricant.) |
#5
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Rust prevention
Neil Brooks wrote:
Bob Wheeler wrote: I'm building up a bike using a rather nice vintage steel frame. There is more rust inside the tubes than I would like. It all seems to be surface rust, since a little steel wool removes it. Is there an oil or some rust prevention compound that I could use to coat the inside of the tubes to prevent further deterioration, or even remove some of what is there now? LPS products: http://www.lpslabs.com/Products/Lubr...Penetrants.asp Better link for the LPS-3: http://www.lpslabs.com/Products/CorrosionInh/Lps3.asp |
#6
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Rust prevention
hhmmmmm!
the stuff mentioned is no better than rusto's mail box saver. the stuff is a temporary fix while you getb your act together to take the frame to a professional metal guy and have the tubes stripped clean with caustic and boiling water then immediatedly painted with a pro primer. the mail box saver is a phosphate treatment (for steel boats where using the dremel and hand pick tends to be inconvieneint) that produces a skim of non rust over the rust then adds latex as an impermeable vapor barrier (like alkyd but without the oil based layer) but ponder latex is waterborn-gives rust with O2) the rusto works but its temporary. i ssume the weigle is similar. linseed oil thinned then covered with white farm rusto thinned works better than the rusto mail box saver. phosphate straight then rinsed with boiling water... its gets complicated. a pro knows!! |
#7
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Rust prevention
for the linseed-need to do this on a hot day allowing the frame to cook
water out. gotta let the linseed dry before appllying the farm rusto. farm rusto is better than consumer no patience rusto. the manure spreader gets paint then is allowed to sit under the sun to dry until august |
#8
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Rust prevention
ima talking to muhself agin.
the deal with the quick fix is do you trust or believe whyjell's intent to sell the stuuf YOU NEED IN A CAN???? or to make a profit selling stuff to you in a can. like what in tarnation could wyejell put in a can that yawl can't pour in urself? like i wuz looking for very finely ground zinc powder to ix into the thinned linseed. you name it. |
#9
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Rust prevention
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#10
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Rust prevention
"Bob Wheeler" wrote in message ... I'm building up a bike using a rather nice vintage steel frame. There is more rust inside the tubes than I would like. It all seems to be surface rust, since a little steel wool removes it. Is there an oil or some rust prevention compound that I could use to coat the inside of the tubes to prevent further deterioration, or even remove some of what is there now? Two broad categories for removal: physical, chemical. If you can find a way to get the inside scrubbed - perhaps a Scotch brite pad on a stick - that would do it. There are also various chemicals that will remove rust but I've always scrubbed. Prevention: same thing. Physical barriers to moisture and air or chemical catylists that will alter the surface of the metal to make it in-oxidizable. I don't know what kind of steel your frame is but Chrom-Moly Steel is fairly rust resistant on it's own so it may require less protection (if any) than other steels. My last CrMo frame lasted 14 years with no protection - in horrible riding conditions, being put away wet - and it only had mild surface rust (like a powder) on the unpainted tube interior, which didn't affect anything. I decided to protect my new frame innards and went with Linseed Oil, which acts as a moisture & air barrier. Bought at a hardware store in the wood finishing section - 1quart for about $5, labeled "boiled linseed oil." Applied with a pump sprayer used to mist plants. Left in bright sun to dry. Net result: inside of tubes have a coating with a consistency somewhere between hard plastic and parmesan cheese. I looked for "Frame Saver" but it's unheard of within 500 miles of my home and there's been some debate about whether or not FrameSaver IS in fact Boiled Linseed Oil! I took the risk on a natural product. My apartment smelled of linseeds for a week - not unenjoyable at all. Highly recommended. Be sure to rotate the frame once the oil's in there to ensure it all gets coated. C. |
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