Graham Singleton wrote:
> <graham@gflight.f9.co.uk>
>
>> We too had problems with uncured superfill. The Blue stuff was very
>> dry in the first 2 pots we had. This made up the areas that we had
>> to dig out. Quite a lot
>> on our wings actually. The problem was kind of half recognised by
>> Polyfiber. I was told that there was a problem with some batches of
>> blue being too dry but that that would not cause the stuff to refuse
>> to set!
>
> There is another problem with part cured filler. I noticed that the
> Smoothprime cracked and peeled off, even though filler could be
> sanded. It isn't easy to get accurate mixing with Superfill, I do it
> by weight, nearest 1/10th of a gram, most likely cause of my problem
> was settling altering the ratio of filler to hardener or resin, the
> hardener did look a bit wet.
> Graham
On the subject of unset filler, does anyone have a good method for removing
filler which is about as hard as chewing gum. I have some all the way down
one of my spars.
Cheers,
Mark.
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