Powdercoating Fan and Steel pulley Wheel, Balancing and Pulley |
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Powdercoating Fan and Steel pulley Wheel, Balancing and Pulley |
914_teener |
Aug 20 2017, 12:18 PM
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#1
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914 Guru Group: Members Posts: 5,193 Joined: 31-August 08 From: So. Cal Member No.: 9,489 Region Association: Southern California |
Getting ready to send parts out to the powdercoater.
Finally found a decent fan....thanks Kevin, no broken fins. Question: Would you ever need to separate the steel pulley from the aluminum impeller? I know it needs to be dynamically balanced and it already has a small weight pinched on the rim of the pulley. Is it worth splitting the steel pulley from the aluminum impeller and masking the threads that sandwich them together? |
McMark |
Aug 20 2017, 01:57 PM
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#2
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
I've painted a bunch of them. And it's satisfying to media blast the whole thing, tape off the aluminum sections and paint the 'pulley' section black. They look great when they're all done.
And then when it's all done you install the engine in the car and you can't see the fan at all. And I always feel a bit (IMG:style_emoticons/default/dry.gif) at all the effort spent on something completely invisible. I still do it, cause it's not that hard. But disassembling the fan and powdercoating and reassembling and rebalancing. That's well beyond what even I would invest in an invisible part. Save yourself some time and headache. Attached image(s) |
reharvey |
Aug 20 2017, 02:04 PM
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#3
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Senior Member Group: Members Posts: 573 Joined: 16-July 08 From: N. E. Ohio Member No.: 9,308 Region Association: North East States |
Getting ready to send parts out to the powdercoater. Finally found a decent fan....thanks Kevin, no broken fins. Question: Would you ever need to separate the steel pulley from the aluminum impeller? I know it needs to be dynamically balanced and it already has a small weight pinched on the rim of the pulley. Is it worth splitting the steel pulley from the aluminum impeller and masking the threads that sandwich them together? The best fan is one that has never been taken apart. You've got a good fan so leave it alone and just install it. Nobody is EVER going to see it! |
Mark Henry |
Aug 20 2017, 02:11 PM
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#4
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
(IMG:style_emoticons/default/agree.gif) you can't see it.
Degrease and/or blast it clean without taking it apart, mask and paint the steel as best you can. I use Nason two stage black on parts like this. Red paint to do the marks and call it done. Also I don't care for PC on pulleys, as it's doesn't wear off where the belt runs and causes a lot of belt slip. Not a huge issue on a T4, but me no likey on T1 and /6. |
914_teener |
Aug 20 2017, 05:10 PM
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#5
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914 Guru Group: Members Posts: 5,193 Joined: 31-August 08 From: So. Cal Member No.: 9,489 Region Association: Southern California |
(IMG:style_emoticons/default/agree.gif) you can't see it. Degrease and/or blast it clean without taking it apart, mask and paint the steel as best you can. I use Nason two stage black on parts like this. Red paint to do the marks and call it done. Also I don't care for PC on pulleys, as it's doesn't wear off where the belt runs and causes a lot of belt slip. Not a huge issue on a T4, but me no likey on T1 and /6. Thanks Mark(s). Media blast it is. |
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