Spraying enamel

[mhorowit]

Re: Spraying enamel

no polyurthanes, use epoxy, epoxy is called out in at least one STC, maybe brushing is better?

Dave - any epoxy paint? I"m using Stewart which doesn't care, but I'm thinking about the next guy. the fuse is currently 2-part primed - Mike
PS: outside sandblasting for :30 and some re-priming around the welding. miserable. - Mike

[mhorowit]

Re: Spraying enamel

Check the manual for your covering process. I don't believe you are allowed to overcoat with non-system products. This is a fairly new requirement.
Dave

DAve - the STC for Stewart begins with the glue; it sticks to anything. I was thinking about the next guy; I m also thinking about $85/qt - Mike

[mhorowit]

Re: Spraying enamel

Most ( NOT AirTech though) STC holders modified their requirements after the

ALLEGED fabric separation on Steve Wittman's " O & O Special".

I've always considered enamel over fabric to be a cheap job that is done only when you're trying to sell a dog.

The fabric/dope & the enamel expand & contract at different rates with

temperature. This leads to cracking & peeling.

No problem if the aircraft is always indoors.


Difficult to patch over enamel as well.

Not on fabric; on metal - Mike

[Ray36048]

Re: Spraying enamel

Hey Mike, what are you trying to do? I think you want to paint the fuse tubing, correct? I would use an good auto enamel from an auto body paint store. I would also use a cat with it to prevent overcoat problems and make it more resistant to the glue. All of this over a good aviation epoxy primer.

[N96337]

Re: Spraying enamel

Hi John,

The part in red above is incorrect.

Some STCs specify the metal enamel as well. By metal I mean the tubing in the airframe.

Maybe you mean other metal parts??

I have one STC like that in my file right now.

You must read fully the STC and understand it.

Dave

Dave,
Good catch...ya knew what I meant wasn't what I said...hahaha.... and it gets more and more difficult every day!

Mike, why not use Stewart's polyurethane? It's awesome stuff and will give you a bit of experience in shooting it before you head to the fabric and sheet metal on the outside. Not only that, but it'll outlast anything you're gonna find in the automotive market. You wont have haz-mat and all that stuff to deal with either, which you will with anything else that will hold up well. Skimping and trying to save a few dollars now may not prove to be too wise in the long run. Every time I've tried to cut a corner or costs, it bites me in the butt.
John

[Dennis Keels]

Re: Spraying enamel

Mike your butt must not be worth much. The only thing saving money and cutting corners does is put you on the front page of the news paper and the 6:00 news

[mhorowit]

Re: Spraying enamel

Dave,
Good catch...ya knew what I meant wasn't what I said...hahaha.... and it gets more and more difficult every day!

Mike, why not use Stewart's polyurethane? It's awesome stuff and will give you a bit of experience in shooting it before you head to the fabric and sheet metal on the outside. Not only that, but it'll outlast anything you're gonna find in the automotive market. You wont have haz-mat and all that stuff to deal with either, which you will with anything else that will hold up well. Skimping and trying to save a few dollars now may not prove to be too wise in the long run. Every time I've tried to cut a corner or costs, it bites me in the butt.
John

I think I"ll order the EcoCoat in the morning; - Mike