Message-ID: <04e001c425aa$9e9eece0$6401a8c0@Davidscmptr>
Reply-To: "David Carter" <dcarter@datarecall.net>
From: "David Carter" <dcarter@datarecall.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-3177627@logan.com>
Subject: Re: [FlyRotary] Re: coolant/water percentage?
Date: Sun, 18 Apr 2004 20:07:00 -0500
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----- Original Message ----- 
From: "Russell Duffy" <13brv3@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Sunday, April 18, 2004 4:24 PM
Subject: [FlyRotary] Re: coolant/water percentage?


> I'm planning on running this stuff  (water with conditioner) during times
> when freezing level is up above
> 10 or 12 thousand feet (it's 15K here in Texas in summer), then swap out
to
> 50/50 when cooler OAT and therefore don't need "optimum" cooling.
> David
>
>
> Why do you care what the temp is at 10-12k feet?  Do you think your
> thermostat will ever close completely at cruise power for long enough to
> freeze water in your radiator?  Unless you're planning to completely shut
> down an evap core in cruise, I don't think you will ever need to worry
about
> freezing in flight.
>
> Cheers,
> Rusty

Rusty, #2 reply - reason I'd even fly at 12,000:  Flying westbound, if I
have winds from 240/40 at 2000 to 4000' and above, I sometimes fly at 100'
AGL (or somewhere below 500' so I'm in the "170/10 sfc winds".  Going east,
I fly at 12,500 for the strong tailwinds.

David