Re: AW: Aussie Swift taking shape

["Greg Ryan" <gregoryrryan@xxxxxxxxxxx>]

Roger, I think it could be very dependent on the kind of wood. Hard woods 
like walnut and oak for example polish up quite shiny and nicely, with no 
covering over them at all, with a very fine grit treatment. Perhaps that 
shiny surface would affect epoxy bond (some hard woods are oily and that 
does affect the bond) but in my experience the softer pines and cedars soak 
up a lot of epoxy into the pores of the wood and get a good bond no matter 
how smooth they are sanded. Does this gel with others experience? I kept and 
weighed the sander dust from my deck --- its a lot more than I thought.
Thanks for the good discussion on this guys. These kinds of "how to tips" 
and discussions  are really valuable to builders getting started.

Perfection comes also in a well wielded random orbital sander.
Greg


----- Original Message ----- 
From: <rowr@xxxxxxxxx>
To: <swiftsolo@xxxxxxxxxxxx>
Sent: Tuesday, December 20, 2005 9:44 AM
Subject: Re: AW: Aussie Swift taking shape


> If I remember correctly, I think that I read somewhere in the West System
> product info that you should not go with a smaller grain than 80 grit 
> paper
> for your final sand before epoxy, so that you get a good epoxy key into 
> the
> wood. Anything smaller than that makes it harder for the epoxy to bond to 
> the
> wood. This is however tough to do to get the minor scratches out after 
> major
> sanding.
>
> Any thoughts?
>
> Roger
>
>
>
> Quoting BDally6107@xxxxxxx:
>
> > Really good advice Felix.  Especially about vacuuming the dust 
> > frequently
> > (no point in sanding fine dust into really fine dust).  Your  input is 
> > always
> >
> > appreciated.  On the other hand, we need to get you back to  work on a 
> > Swift.
> >
> > Get with it man!  We want to see you on the race  course.
> >
> > With the epoxy/graphite powder on the bottom, I think wet sanding is the
> > real deal (no mask needed).  Start with 200 grit and a 2 1/2  x1/4" 
> > Mahogany
> >
> > long board that is the slightly long than your wet/dry paper  (14"). Wrap 
> > the
> >
> > paper around the board and use plenty of water.  You  really don't want 
> > to
> > breath
> > this dust so vac it up when it dries on your  floor.  Keep going up in 
> > grade
> >
> > of paper and finish with 1000 or 1200  grit.  It will look like a mirror 
> > and
> >
> > will show where you need to do more  work.
> >
> > A little reminder.  PURCHASE AND WEAR A GOOD DUST MASK for  dry sanding. 
> > The
> >
> > full face type that covers your eyes works best  (Fisheries Supply) 
> > because
> > it appears that some problems come through the  tear ducts.
>
>
>
>
>
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