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I am not flying my -6A as extensively as I used to and have been having crazy thoughts, probably from exposure to Rusty, of trading in on an amphib. I was looking at the Sea Ray then remembered that Mr Coot himself lives right across the river from me. Ken, give me a call if you would please. You can bring me up to par on what to look for and what to avoid. I checked into putting the -6A on floats, but there are too many changes to be worth it. I think I want a completed project since I have enough going trying to build the -8. If you guys have comments on this idea I'd would like to hear them. I keep reading about how much fun float planes can be. I guess I can handle the 80 mph until the -8 is completed.
Kevin Lane Portland, OR (503) 233-1818
e-mail-> n3773@comcast.net
----- Original Message ----- From: "al p wick" <alwick@juno.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Sunday, June 26, 2005 5:02 PM
Subject: [FlyRotary] Re: Coolant Leak
Actually, I think the opposite is true. I understand the auto approach is
to NOT have any air in the cooling system. I don't recall the details of
their reasoning. In my experience, the safety advantage of cup-o-air is
much more significant.
BTW, it's probably more like 2 cups. The goal is to have enough air
cushion to prevent pressure from reaching cap rating. When you include
coolant temp, fluid level, and pressure info, it really improves your
understanding of how your system is behaving.
If you ever open your car radiator and find air at top, it indicates a
problem with your cooling system.
-al wick
Artificial intelligence in cockpit, Cozy IV powered by stock Subaru 2.5
N9032U 200+ hours on engine/airframe from Portland, Oregon
Prop construct, Subaru install, Risk assessment, Glass panel design info:
http://www.maddyhome.com/canardpages/pages/alwick/index.html
On Sun, 26 Jun 2005 13:15:14 -0400 "Ian Dewhirst" <ianddsl@magma.ca>
writes:
Al, your experience with the value of having an air cushion is
supported by
every automotive cooling system that I have ever seen (many).
Typically
autos use either a pressure cap and expansion tank that is not
filled to the
top, or an overflow bottle into which coolant is expelled and
recovered. I
get the impression that some people assume that these overflow style
systems
contain no vapour when cold, I don't think that assumption is
correct. The
overflow systems all have expansion capacity built into the top of
the
radiator, or some other part of the cooling system they are never
completely
filled with coolant. The bigger the cooling system the greater the
volume
of vapour stored cold.
-- Ian
(GM, Chrysler, and Ford are not trying to piss you off with those
side
mounted radiator caps.. ;-)
-----Original Message-----
From: Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net]On
Behalf Of al p wick
Sent: Sunday, June 26, 2005 11:58 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: Coolant Leak
My focus is on flight safety. I found great value to having appx. 1
cup
of air at the top of my cooling system....
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