Thanks guys,
I think I'll build a hot box. I want to be able to cure my epoxy
outlines anyway.
No more nukes
Lee
--- In Indoor_Construction_at_yahoogroups.com, Kurt Krempetz
<krempetz_at_...> wrote:
>
> Hi,
> I have built an oven with wood and house fiberglas
> insulation, foam and light bulbs.
> Its a 30" X 12" X12" oven,
> uses four 100 watt light bulbs and I can get
> temperature up to about 400 F. Balsa starts turning
> colors at about 375 F and becomes pretty brittle.
> Temperatures over 425F is were I find that balsa
> starts charring/burning. I try to cook my parts at
> 300 F.
> My sister had many years ago an Easy bake oven that
> would cook cakes and it used a 100 watt light bulb.
>
> Kurt
>
>
>
>
>
> --- Lee Dammann <ldamnann_at_...> wrote:
>
> > I sure I read it somewhere to add the cup of water
> > to avoid damage
> > to the microwave.. Could be urban legand. And I
> > think the same
> > article said to zap 2 min, change the boiling water
> > then 3 minutes.
> > Oh well, plan B.
> >
> > I'm already banded from the oven. Little mishap
> > with rubberbands
> > around a LPP prop block breaking and falling on the
> > element.
> >
> > How hot will a hot box get with 2 100w bulbs.
> > Anyone use a hotbox
> > for props? I know the glider guys use them for
> > curing bagged
> > wings.
> >
> > I could also throw the prop outlines in a hotbox
> > for curing.
> >
> > Thanks
> >
> > --- In Indoor_Construction_at_yahoogroups.com, "Mark"
> > <f1diddler_at_>
> > wrote:
> > >
> > > --- In Indoor_Construction_at_yahoogroups.com, "Mark"
> > <f1diddler_at_>
> > > wrote:
> > > >
> > > > --- In Indoor_Construction_at_yahoogroups.com, "Lee
> > Dammann"
> > > > <ldamnann_at_> wrote:
> > > > >
> > > > <<(I put a cup
> > > > > of water in with it and change it every 2
> > minutes)>>
> > >
> > > You upped the ante by adding water, which heats
> > up more
> > > efficiently,etc.
> > >
> > > On second thought, 2 minutes may barely boil a cup
> > of water,
> > depending
> > > on power setting, but that's still a long time for
> > balsa. I
> > recall a
> > > couple indoor articles recommending 30-45 seconds
> > in microwave.
> > (I'm
> > > sure we have some microwaved balsa pros here.)
> > > Mark F1diddler
> > > (convection oven advocate)
> > >
> >
> >
> >
>
>
> Kurt Krempetz
>
>
>
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Received on Mon Nov 19 2007 - 08:10:16 CET