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#1
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Finally shifted the seized seat post.
had to replace the saddle, so I put a few dabs of flour-emery powder on the
seat clamp. There was enough grip that I could get hold of the saddle and twist the post out. Now re assembled with copper slip anti seize compound. |
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#2
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Finally shifted the seized seat post.
On Sunday, October 8, 2017 at 12:56:21 PM UTC-7, Ian Field wrote:
had to replace the saddle, so I put a few dabs of flour-emery powder on the seat clamp. There was enough grip that I could get hold of the saddle and twist the post out. Now re assembled with copper slip anti seize compound. Nice! But copper? |
#3
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Finally shifted the seized seat post.
On 10/9/2017 1:37 PM, Doug Landau wrote:
On Sunday, October 8, 2017 at 12:56:21 PM UTC-7, Ian Field wrote: had to replace the saddle, so I put a few dabs of flour-emery powder on the seat clamp. There was enough grip that I could get hold of the saddle and twist the post out. Now re assembled with copper slip anti seize compound. Nice! But copper? For a seat post, molybdenum base or copper base paste are fine. The high temp aspect of copper is irrelevant but if that's the can he has then that's the can he should use. -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
#4
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Finally shifted the seized seat post.
On Monday, October 9, 2017 at 1:08:14 PM UTC-7, AMuzi wrote:
On 10/9/2017 1:37 PM, Doug Landau wrote: On Sunday, October 8, 2017 at 12:56:21 PM UTC-7, Ian Field wrote: had to replace the saddle, so I put a few dabs of flour-emery powder on the seat clamp. There was enough grip that I could get hold of the saddle and twist the post out. Now re assembled with copper slip anti seize compound. Nice! But copper? For a seat post, molybdenum base or copper base paste are fine. The high temp aspect of copper is irrelevant but if that's the can he has then that's the can he should use. It should be aluminum, to give up aluminum to the iron-aluminum reaction. |
#5
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Finally shifted the seized seat post.
Aluminum anti seize with Ddef linseed
Copper is produced for hi temps There's a difference AL with linseed is low temp/ longevity Can you see the copper ? |
#6
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Finally shifted the seized seat post.
Good alt example...wheel. bearing grease
Auto (copper) bearing grease is higher temp faster Revis than bicycle bearings n does not spread on or before bearings as well as designed for bike grease As said...you can see the difference As with copper/Al |
#7
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Finally shifted the seized seat post.
On Monday, October 9, 2017 at 6:32:33 PM UTC-7, wrote:
Aluminum anti seize with Ddef linseed Copper is produced for hi temps There's a difference AL with linseed is low temp/ longevity Can you see the copper ? I can see the cop |
#8
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Finally shifted the seized seat post.
"Doug Landau" wrote in message ... On Sunday, October 8, 2017 at 12:56:21 PM UTC-7, Ian Field wrote: had to replace the saddle, so I put a few dabs of flour-emery powder on the seat clamp. There was enough grip that I could get hold of the saddle and twist the post out. Now re assembled with copper slip anti seize compound. Nice! But copper? Copper based anti-seize paste is what they have on the shelves round here. I have a tub of something based on a silvery colour metal, but I generally buy more Copperslip when it gets used up. molybdenum is a "friction modifier" - I had to do the clamp bolt up seriously tight with just the copper stuff on it. |
#9
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Finally shifted the seized seat post.
had to replace the saddle, so I put a few dabs of flour-emery powder on the seat clamp. There was enough grip that I could get hold of the saddle and twist the post out. Now re assembled with copper slip anti seize compound. Nice! But copper? Copper based anti-seize paste is what they have on the shelves round here.. I have a tub of something based on a silvery colour metal, but I generally buy more Copperslip when it gets used up. molybdenum is a "friction modifier" - I had to do the clamp bolt up seriously tight with just the copper stuff on it. This reply does not address the validity - or lack thereof - of the alleged theory of operation of anti-sieze compounds, which says that the metal used therein should match the metal which is having a corrosion problem, so as to be taken up by the reaction and thus spare or partially spare the coated part. |
#10
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Finally shifted the seized seat post.
"Doug Landau" wrote in message ... had to replace the saddle, so I put a few dabs of flour-emery powder on the seat clamp. There was enough grip that I could get hold of the saddle and twist the post out. Now re assembled with copper slip anti seize compound. Nice! But copper? Copper based anti-seize paste is what they have on the shelves round here. I have a tub of something based on a silvery colour metal, but I generally buy more Copperslip when it gets used up. molybdenum is a "friction modifier" - I had to do the clamp bolt up seriously tight with just the copper stuff on it. This reply does not address the validity - or lack thereof - of the alleged theory of operation of anti-sieze compounds, which says that the metal used therein should match the metal which is having a corrosion problem, so as to be taken up by the reaction and thus spare or partially spare the coated part. Translation please................... |
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