Thanks for all the great responses concerning the spar pin/bushes not
fitting easily. I did use the wings for alignment and still ended up tight.
Ron do you have a name of the lapping compound you mentioned. I went to the
web page you gave and couldn't find it.
Thanks,
craig ellison
a205
silverton,or
----- Original Message -----
From: "Ron Parigoris" <rparigor@suffolk.lib.ny.us>
Subject: Re: Europa-List: Trouble fitting wing spars to cockpit module
<rparigor@suffolk.lib.ny.us>
>
> As far as lapping goes:
>
>
> "IMHO. DON'T USE GRINDING PASTE. the bushes are alumimium and you'll not
> wash
> out the paste because grains of abrasive will embed in the bushes
> permanently."
>
> This is true with Diamond or real hard abrasive compounds.
>
> www.mcmaster.com sells some lapping stuff that starts out as a lap, then
> turns to polish then to nothing. I have used this sucessful lapping
> aluminium on Cox 020 reedvalve racing motors. also works on steel. It
> does not remove much before it ends its ability to cut.
>
> Ron Parigoris
>
>
|