[R-390] White lines on knobs

[Larry H]

Thank you John, for the very good info.  Can the knobs be put into the oven
right away?  About how long should they be baked?

Regards, Larry

On Wed, Jul 24, 2019 at 4:42 AM John Gedde <jgedde at optonline.net> wrote:

> HI Larry,
>
>
>
> It took a  bit of experimentation to get it right.  Both with paint and
> application.  For paint I settled on acrylic model paint from Vallejo
> called “Model Color” that I picked up at my local hobby shop.  I used color
> “Ivory.”  It has good body.
>
>
>
> Application was a bit trickier.  I settled on using a hypodermic style
> syringe with interchangeable tips.  I used a really fine tip.  It was fine
> enough that the paint came out slowly enough to control, but was also
> sufficiently fine that I kept having to replace tips since they clogged
> after a few knobs.  They were either the sky blue or blue colored tips.
> https://jensenglobal.com/pages/standard-dispensing-tips#it-series-standard
>
>
>
> The a quick swipe with a dry finger to smooth it out and remove the
> excess.  A little rubbing alcohol on a tissue can be used to get rid of any
> smears as long as the knobs were painted with good paint (Krylon is not
> alcohol resistant).  It’s important if the rubbing alcohol is to be used
> that the black paint on the knobs is fully cured else just about any rattle
> can paint comes off.  If the knobs still smell like paint, they’re not yet
> cured.  An oven bake at 200F cures the black paint quickly.  I used
> Rustoleum black gloss for my R390A and VHT stain black engine enamel for my
> R390.
>
>
>
> John
>
>
>
>
>
>
>
> *From:* Larry H <larry41gm at gmail.com>
> *Sent:* Tuesday, July 23, 2019 9:23 PM
> *To:* jgedde at optonline.net
> *Cc:* R-390 Forum <r-390 at mailman.qth.net>
> *Subject:* Re: [R-390] White lines on knobs
>
>
>
> John,  As I mentioned to you a short time ago, I'm redoing all the black
> on the 'A' I'm working on now and have come to the point where I need to
> apply the white lines on the knobs.  I like how yours turned out and this
> has been a problem for me in the past, so I was wondering what paint you
> used and your method of application.  Thanks.
>
>
>
> Regards, Larry
>