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Date: Tue, 19 Jan 2010 19:49:34 -0500
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From: "Janie & Ed Smith" <2luv2fly@cox.net>
Subject: Brake Calipher Requirement
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Group,

When we received the brake / wheel kits with our IV-P, we received a 
standard brake assembly and a high energy brake assembly (1 of each).  They 
appeared different, but at the time we had no idea what the real difference 
was, so we just installed what we received with the kit (duh!).  In a year 
of flying, I have noticed no difference in braking, but with condition 
inspection time now due, I would like to replace the standard brake assembly 
with another high energy assembly.

The high energy caliper assembly has metallic pads and are held in position 
with pins, rather than rivets.  There is also a shim where the two halves of 
the brake come together, along with a  piston that has an insulator bonded 
in place on the piston face.  The guide pins are also longer than the ones 
on the standard caliper.  If my memory serves me correctly, the p/n is 
30-233 for the high energy calipher.  It's amazing how much smarter you get 
as time goes on!

Thanks in advance for any responses.

Ed Smith
N9JE
Chesapeake, VA