The inside circumference of the frame will increase as temp rises. Think of
it as a rope that stretches, longer rope makes a bigger circle.
James
Delaney 1976 38Mk11
Oriental, NC
----- Original Message -----
From: "Bob Moriarty" <bobmo...@gmail.com>
To: "cnc-list" <cnc-list@cnc-list.com>
Sent: Wednesday, October 17, 2012 8:43 PM
Subject: Stus-List Portlight Frame Expansion/Contraction
I am replacing the lenses on my portlights. They are in aluminum
frames that are screwed into the cabintop. I understand that I need
to take into account the expansion/contraction of the lens material.
When the temperature increases does the inside circumference of the
frame increase or decrease?
Thx in advance,
Bob M
Ox 33-1
Jax, FL
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