Bob
well i didn't know that and all went well so I guess I got lucky either
that or the ambient temp here is sufficient.
Tony you can find a pic of my oven in the photos on my website under phots
"the Oven"
https://sites.google.com/site/europaconstructionwd/
Will
William Daniell
LONGPORT
+57 310 295 0744
On Fri, Jul 8, 2016 at 10:45 AM, Bob Harrison <ptag.dev@talktalk.net> wrote:
> Hi! Will and Tony,
>
> Concerning curing of the Europa.
>
> I notice that it is being suggested that a cure time of possibly two hours
> was likely.
>
> May I respectfully advise that if you have an aircraft that is glass fibre
> reinforced with resins laid over polystyrene you need to very slowly
> increase the heat soak or you will have the polystyrene expand faster than
> the glass and burst through the construction making you a very unhappy
> bunny ! Likewise the cooling down cycle needs similar treatment.
>
> Regards
>
> Bob Harrison G-PTAG .
>
>
> *From:* owner-europa-list-server@matronics.com [mailto:
> owner-europa-list-server@matronics.com] *On Behalf Of *William Daniell
> *Sent:* 08 July 2016 14:34
> *To:* europa-list@matronics.com
> *Subject:* Re: Europa-List: Curing of Flying Surfaces
>
>
> Tony
>
>
> I was originally daunted by this but it's actually easy. I bought some
> 1mx1m expanded polystyrene and built box/oven 1 x 1 x 2. this was enough
> for my foam flying surfaces flaps, horizontal stab, ailerons.
>
>
> I used ordinary fan heaters inside the oven and removed the standard
> thermostat and replaced it with a thermostat from Aircraft spruce
> calibrated to 40C i think.
>
>
> I but a baffle in front of the of the fan to ensure that there was no
> local concentration of heat.
>
>
> I used a couple of meat thermomenters punched through the polystyrene to
> monitor the temperature.
>
>
> Once i worked it out it was a couple of hours to do the job.
>
>
> Will
>
>
> William Daniell
>
> LONGPORT
>
> +57 310 295 0744
>
>
> On Fri, Jul 8, 2016 at 5:08 AM, tonyvaccarella <tony@weimagine.com.au>
> wrote:
>
> >
>
> Hello all,
>
> I'm the owner of a conventional tailwheel aircraft I purchased from the
> USA. This project was started in 1999 and still being built :-)
>
> Not that Im near the finished stage yet but while reading the Builders
> Manual about finishing the aircraft it states
>
> " The first thing that you need to do with your flying surfaces is port
> cure them at a temperature between 40-50 deg C. This will improve their
> strength and cook off any remaining volatiles and moisture withing the
> epoxy system. "
>
> Just wondering how builders have managed to do this. What equipment that
> have used and how they have controlled the temperature. What is our opinion
> about doing this on "old" wings that were completed in about year 2000.
>
> I look forward to your comments
>
> Regards,
> Tony Vaccarella
> Sydney
> Australia
>
> --------
> Tony Vaccarella
> Mascot NSW 2020
> Sydney Australia
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=457901#457901
>
>
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