[Wing] Carb Heat

[Del Schneider]

Thank you. A couple of us in Prince George who fly RV's have been wondering
about this for some time and looking at what to consider. Keep the info
flowing on this subject.

Del Schneider, RV-6A

-----Original Message-----
From: wing-admin at vansairforce.org [mailto:wing-admin at vansairforce.org]On
Behalf Of T&M Elgood
Sent: Saturday, April 19, 2003 2:02 PM
To: wing at vansairforce.org
Subject: [Wing] Carb Heat


To all who replied about the Vans carb heat, thank you;

Bill, it's not clear what you are implying here. As an MDRA inspector my
objective is to assist airplane builders through a complicated inspection
process and to ensure their aircraft are safe to operate, which results in
my concern for this particular carb heat assembly.


> Hello Terry Osgood     (Terry Elgood )
> I was just wondering Terry, when you would be taking over for Joel =
> Schoenberger, District Superintendent, Aircraft Maintenance and =
> Manufacturing, with Transport Canada?
> Bill Robson


George, thanks this is what I need to know, if this is the temperature rise
from a bigger shroud type heater I'm even more concerned about the 2" tube
type, I can't see how such a small surface area can produce enough heat to
operate safely.

> On runup @ 1700 RPM I show a 15 degree rise on the CAT gauge and a 30 RPM
> drop. In cruise @ 2200 - 2400 RPM the temp rise is 15 - 20 deg and a 50
RPM
> drop. On approach at 1400 RPM (less airflow through muff) I get a 40+
degree
> CAT rise.
> Fly safely. George McNutt

As a suggestion to anyone using the 2" tube carb heater, be careful. Just
because it is supplied by Vans does not imply they have tested it, Ken Scott
said they have not done formal tests on it.

Terry












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