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Date: Fri, 24 Aug 2012 10:41:30 -0400
From: Ernest Christley <echristley@att.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Spreadsheet Cooling Section
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Ed Anderson wrote:

> But, as stated before the cooling section is on less solid ground due to
> the fact that installation variables play such a large role in cooling
> and they are not taken into consideration.  But, you can play with it to
> see the effects of changing several variables on cooling.
>  
> Ed
>  

Just been playing with this, pulling data out of my data logs.  I don't have all my numbers exact yet, but I think this
will be useful for making a SWAG at determining if the system will stay within safety margins during various phases of
flight.

Would it be to much to ask those with flying machines if they can go out and determine where their system starts to warm
up, which would be a rough indication of where the cooling capacity is exceeded?  I thinking of doing a steep climbout
and slowly dropping the nose until the temps start coming down, noting the temp, MAP, airspeed and AFR at that point.  I
don't think it is necessary to tell grown people that built their own airplane that they need to be careful about
airspeed while doing something like this.    If we can get a variety of samples, we can put error bars around the
numbers that the spreadsheet gives.