Re: RB42 Launched. Pics and youtube video
- Hi Dan,
Sounds great to me, and exactly what I was wondering about.
Thanks very much,
--- In Michalak@yahoogroups.com, "dany_perrone" <dany_perrone@...>
>[Non-text portions of this message have been removed]
> Hi Nels, a website that I found very useful regarding graphite/epoxy
> coating is:
> In researching this topic I found that the recipes vary greatly in
> the amount or proportion of epoxy that is mixed in, from 5% to 40%
> and above.
> I personally used a thick consistency, almost ketchup like. The
> bottom is covered in 6oz fiberglass cloth and after the second filler
> coat of epoxy/microballoons I went with the first coat of
> graphite/epoxy ( for a total of 3 graphite coats). In a way the first
> graphite coat was also used as a filler as you could still see a bit
> of cloth weave when I put it on.
> If I remember correctly I would pump two pumps of resin, one of
> hardener in a plastic cup which I think is a little more than 2.5oz
> and add about 3 teaspoons of graphite and one of silica (sometimes
> this proved a bit much graphite).
> I applied it with one of those white foam rollers. I worked small
> sections fast and then quicky "tipping" it by going over with a foam
> brush. All my painting supplies I got at the dollar store.
> Try to work out of the sun in a cool place or if you do it outside
> then at the end of the day. This black mixture is really easy to
> apply but it absorbs heat pretty good so if you do it in the sun the
> epoxy will go off super fast.
> I applied the three coats "hot" , less than 24 hrs to obtain a
> chemical bond, but I did sand it in between coats with my orbital. I
> heard this was a extremely messy thing but actually I did not think
> it was that bad. But I don't think you could sand this mixture if you
> let it fully cure, it gets very hard.
> Hope it helps,
> --- In Michalak@yahoogroups.com, "Nels" arvent@ wrote:
> > --- In Michalak@yahoogroups.com, "dany_perrone" <dany_perrone@>
> > wrote:
> > >
> > > Hello, yesterday we launched "Esperanza", RB42. A happy day
> > > Check pics and video at:
> > >
> > > http://sports.webshots.com/album/563418002DQpeEk?vhost=sports
> > >
> > > http://www.youtube.com/watch?v=x_gt0BjtHnc
> > >
> > >
> > > Daniel
> > Really nice looking build Daniel and thanks for sharing the photos
> > video.
> > I am interested in the "recipe" you used for finishing the bottom
> and if
> > you have any special ways of doing it? Did you roll it on or brush
> > squeegee? What additives and how thick - how many coats etc.
> > I am about to refinish the bottom of a badly scratched up and UV
> > kevlar canoe and want to use the same stuff you put on. Just up to
> > waterline as the topsides are still great.
> > Much appreciated,
> > Nels
> > [Non-text portions of this message have been removed]