Be careful. The surface temperature and the air temperature, even only a
couple of millimetres away, can be very different. In motor racing you
often see a 10 degree C difference between air and track temperatures.
In the UK I imagine you can easily see a surface temperature of a wing left
in the sun being over 40 C. Anyway I cured my surfaces in the open on a hot
July couple of days and I'm still here.
Perhaps someone has some accurate figures?
Cheers
Rick
G-RIKS Tri
_____
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of
grroberts3@juno.com
Sent: 19 December 2008 02:52
Subject: Re: Europa-List: A question about post curing?
I went solar with mine. Of course, it helps if your in Arizonia in July. I
peaked at 160, and held 130 for over 8 hours.
GRoberts A187
"mailto:jeffrey-j-paris@excite.com"jeffrey-j-paris@excite.com> writes:
Dear Listers,
A question about post curing our epoxy parts. Today we built ourselves an
"oven" for baking our parts at the appropriate 40-50 degree celsius for post
cure. We built a 16' X 4' X 4' enclosure out of foil claded 4X8 sheets of
insulation foam. The box is backed up to a basement brick fireplace (no
open flames) in which I would like to place a suitable heating element. I
also have use of an attic fan to low air around the cavity.
Has anybody attempted this before? And if so what did you use to heat the
space. I went to a website that helps you calculate the heating
requirements for 256 cubic feet of space @ 50 degrees celsius came to about
8900 btu's, however, heat does build up and I want a consistent heat over a
period of hours therefore I will need a thermostat of sorts I would guess.
Any advice out there? I'm not a thermo engineer just an individual Europa
builder who's looking for an inexpensive way to do the job.
Thank you for your time and consideration.
Cheers and Happy Holidays,
Sincerely,
Jeff and Peter Paris Kit# A012 Monowheel Classic
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