brushed aluminium - how to finish?
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Tourer
Joined: Jun 2016
Posts: 396
Likes: 20
From: Maple Ridge BC & Chiangmai
brushed aluminium - how to finish?
I have done my Dyna in all aluminium bodywork, and am thinking of a brushed finish.
My concern is that aluminium starts to oxodize instantly and will get worse with time.
Alloy is unknown.
I live inland so zero chance of salt air.
Is there a flat denim style clear coat?
Paint is difficult to get to stick to aluminium, and I have always used an etching primer
How to get a clear coat to stick?
I have had clear powdercoat turn yellow over time
Anodize?
How did HD do the aluminium on the early V-rod?
My concern is that aluminium starts to oxodize instantly and will get worse with time.
Alloy is unknown.
I live inland so zero chance of salt air.
Is there a flat denim style clear coat?
Paint is difficult to get to stick to aluminium, and I have always used an etching primer
How to get a clear coat to stick?
I have had clear powdercoat turn yellow over time
Anodize?
How did HD do the aluminium on the early V-rod?
Last edited by 65Tiger; Apr 1, 2017 at 10:13 PM.
Grand HDF Member
Joined: Apr 2007
Posts: 3,723
Likes: 3,063
From: Brighton, MI
Wow! I would like to see a pic of your bike in all aluminum.
I know they make satin clear coat, and lot of car wheel/rims are aluminum with a clear coat:
https://www.clearcoating.com/product...FZS6wAod5JoPow
I know some powder coats are photo sensitive and some are not, I think technology is catching up regarding the yellowing.
I would talk with a good well established paint shop, and the same with a powder coater to see what they suggest. I have shot regular automotive urethane clear over brushed aluminum without any adhesion issue.
Personally, I would consider leaving it raw and use a good wax. A regular cleaning routine with wax will keep the raw aluminum looking good. Take a look at some of the vintage BSA motorcycle tanks (as an example). Some models are aluminum and pretty sure the finish is just polished. YD
I know they make satin clear coat, and lot of car wheel/rims are aluminum with a clear coat:
https://www.clearcoating.com/product...FZS6wAod5JoPow
I know some powder coats are photo sensitive and some are not, I think technology is catching up regarding the yellowing.
I would talk with a good well established paint shop, and the same with a powder coater to see what they suggest. I have shot regular automotive urethane clear over brushed aluminum without any adhesion issue.
Personally, I would consider leaving it raw and use a good wax. A regular cleaning routine with wax will keep the raw aluminum looking good. Take a look at some of the vintage BSA motorcycle tanks (as an example). Some models are aluminum and pretty sure the finish is just polished. YD
Last edited by Yankee Dog; Apr 7, 2017 at 04:32 AM.
Thread Starter
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Tourer
Joined: Jun 2016
Posts: 396
Likes: 20
From: Maple Ridge BC & Chiangmai
I used an original Superglide boat tail as a mould for the back half of the fibreglass tail piece, but now thinking to use it as a buck to do it all in aluminium. Same buck thoughts re the fiber chin spoiler, which I had to make larger to hide the Tru-Track chassis stabiliser
Tried Shine Seal on the swingarm yesterday, and may try it on the brushed aluminium but I understand it only is good for 2 years, and I do not need another chore.
Tried Shine Seal on the swingarm yesterday, and may try it on the brushed aluminium but I understand it only is good for 2 years, and I do not need another chore.
Grand HDF Member
Joined: Apr 2007
Posts: 3,723
Likes: 3,063
From: Brighton, MI
I love the look!! That bike looks great!!
Thing long and hard about putting a coating on it. A clear coat will eventually create a maintenance issue with chipping, then stripping it all to reapply etc.
I say leave it raw like it is and just use a buff and wax every now and then. Maybe check out an airstream camper or airplane forum on how to care for raw aluminum. I figure those guys will know to how to clean, polish, and keep it clean with oxidization at a minimum. YD
Thing long and hard about putting a coating on it. A clear coat will eventually create a maintenance issue with chipping, then stripping it all to reapply etc.
I say leave it raw like it is and just use a buff and wax every now and then. Maybe check out an airstream camper or airplane forum on how to care for raw aluminum. I figure those guys will know to how to clean, polish, and keep it clean with oxidization at a minimum. YD
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