Hi Cath
If enough Rando-Proof filler is used to fill the weave (this takes quiet a
number of coats and sanding),
then about 10% retarder thinner in the Butyrate top coat (be careful, the
retarder is Nitrocellulose) .
S'pose I shouldn't be giving away trade secrets, but there ya go.
Craig Tuit
[EMAIL PROTECTED]
----- Original Message -----
From: "Catherine Conway" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: 20 August 2001 16:26
Subject: Re: [aus-soaring] Paint
> Hi Mark
>
> What sort of glider?
>
> If you have a wooden glider, I researched 3 schemes before we painted
ours.
>
> 1. Polyurethane - Looks great, wears well, but nasty stuff to spray
> and hard to get nice invisible repairs. A heavier paint than some
> finishes. Requires some expertise to spray.
>
> 2. Acrylic lacquer (ie Duco). Easy to spray and polish up. Looks
> great. cracks over open fabric areas after time (5 years depending
> on plasticiser added), Nitrate based so keys well with Randolph dope
> products. Fairly easy to repair invisibly. Not as nasty chemicals
> as some. Lighter than polyurethane.
>
> 3. Dope. Two main brands.
>
> 3.1 Randolph. Nitrate and Butyrate based. Not as nasty as some
> chemicals. Very easy to spray, very easy to repair invisibly, the
> lightest finish, doesn't crack over fabric areas. But hard to get a
> shiny finish, tends to absorb grease,oils (from your fingers as well
> as other sources) and dirt.
>
> 3.2 Stits. Petrochemical based (I think). => Nastier chemicals than
Randolph.
> Similar comments to Randolph but can't comment on longetivity, dirt
> resistance or shine because I've only used the undercoats followed by
> the Stits Aerothane polyurethane.
>
> sorry its not an easy answer but it depends on your drivers for the
> finish, whether the glider has a weight problem, all sorts of factors
> as well as your own personal preference.
>
> I'm happy to talk to you more if you want, to give details of
> brands/colours and primers that I've used to assist your own research.
>
> -Cath
>
>
> >I am interested to know what paint is best for refinishing a glider?
> >Also primer.
> >Brand, Colour, etc
> >
> >Cheers
> >
> >Mark
> >
> >
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