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2007-04-11, 10:45 AM
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#1 |
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Why am i here? I dont unicycle.
Join Date: Feb 2005
Location: A tad left of the milky way
Age: 21
Posts: 3,647
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Powder coating kh hub
Yo yo yo, my friend is powercoating my kh hub for me but when i had inquired about powder coating kh hubs from darren (bedford) he said it was pricey because he had to put "heat protective silocone" on the splines. Is this needed?
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2007-04-11, 10:48 AM
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#2 |
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elcycinu
Join Date: Aug 2006
Location: UK
Age: 23
Posts: 5,472
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I don't know alot about how hot it has to be to power coat... but you can get heat proof silicon from most cooking stores
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I didn't spell it wrong, you just read it wrong! |
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2007-04-11, 01:24 PM
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#3 |
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Ask me about the Ottawa unicyclists
Join Date: Sep 2005
Location: Ottawa, Ontario, Canada
Age: 24
Posts: 4,016
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I don't think its that bad, when I had my hub powdercoated they used what looked like a crapload of masking tape. I think you just need to find a kind of masking tape or alike that has high heat restistant properties. The only problem I had with this method is that getting the tape off was a pain because the glue had gotten really gooy.
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how to build a strong comfy saddle from junk. |
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2007-04-11, 04:49 PM
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#4 |
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The Lone Clothespin....
Join Date: Dec 2004
Location: Evansville, Indiana
Age: 22
Posts: 2,611
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So your not quitting?
Chase
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All hail the exhaulted Sigpoose, for he is forever king... R.I.P Unibiker R.I.P Gazzaloddi R.I.P Paul Hester R.I.P James Doohan R.I.P Mitch Hedberg R.I.P Peter Jennings R.I.P Pope John Paul II R.I.P James_Potters_Cat YAMS Last edited by THE dave and Sigpoose on 2005-09-05 at 08:56 PM |
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2007-04-11, 06:11 PM
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#5 |
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Why am i here? I dont unicycle.
Join Date: Feb 2005
Location: A tad left of the milky way
Age: 21
Posts: 3,647
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whats the point of covering the splines? i wouldnt think 500 degrees is enough to change the properties of steel. Plus, the rest of the hub is made of the same stuff so i would think that would need to be covered as well.
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2007-04-11, 07:08 PM
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#6 |
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Totally Doable
Join Date: Apr 2002
Location: Berkeley, CA
Age: 44
Posts: 3,244
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The splines would be out of spec with powdercoating on them.
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2007-04-11, 07:53 PM
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#7 | |||
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I'm not flying-I'm falling w/ style
Join Date: Jan 2007
Location: On that one-wheeled doohickey
Age: 21
Posts: 523
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Quote:
 
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Quote:
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2007-04-11, 08:07 PM
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#8 |
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Registered User
Join Date: Aug 2003
Posts: 1,865
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Evan, look up normalizing and tempering of steels. Personally, i don't heat any steel precision machined surface beyond 300 degrees farenheight without protecting the surface, unless finish is irrelevant.
The steel will oxidize (rust) faster than it does at room temperature. I would imagine the protection is to repel the powdercoating and keep the steel from oxidizing. If Darren says it, I would trust him, since he knows plenty about the subject. |
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2007-04-11, 10:10 PM
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#9 | |
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Why am i here? I dont unicycle.
Join Date: Feb 2005
Location: A tad left of the milky way
Age: 21
Posts: 3,647
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Quote:
I know that, i was intending to mask them anyway. I just dont get the whole heat protective silcone thing. |
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2007-04-12, 12:43 AM
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#10 |
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i will defenestrate you
Join Date: Feb 2005
Location: L-dale
Age: 23
Posts: 1,025
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use fiberglass masking tape.
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www.unicyclepa.com we suck but its all good team YAMS member in your sig or title and say |
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2007-04-12, 03:54 AM
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#11 |
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Ask me about the Ottawa unicyclists
Join Date: Sep 2005
Location: Ottawa, Ontario, Canada
Age: 24
Posts: 4,016
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Yeah on mine the surface did oxidize a bit, when it was all said and done the splines seemed a bit more gritty and less polished than when it was new. I havn't had any problems with it though.
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how to build a strong comfy saddle from junk. |
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2007-04-12, 01:23 PM
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#12 | |
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elcycinu
Join Date: Aug 2006
Location: UK
Age: 23
Posts: 5,472
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Quote:
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I didn't spell it wrong, you just read it wrong! |
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