From: "David COOK hoursaway1@comcast.net" <flyrotary@lancaironline.net>
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Date: Sat, 20 Feb 2021 19:15:51 -0500 (EST)
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] N214FL RV-4 First Flight
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Congrats Fin.     David R. Cook  RV6A Rotary Holt MI

>     On 02/20/2021 2:25 PM Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
>      
>      
> 
>     N214FL left the ground this morning for an 18 minute flight.
> 
>     Main concern was engine (water) cooling. As you know, cooling is a compromise between drag from unnecessary air through cowling and adequate cooling during normal flight conditions. Climbed to 1,500' before pulling back on throttle to see if coolant temp would stop rising. It did. Still, I think I erred in too small fluid inlet openings in the A/C evaporator cores I used for radiators. Some more work in that area is in my future before hot days arrive.
> 
>     Cut the flight short due to a bit of smoke (didn't smell anything) briefly observed low in the cockpit at full throttle later in the flight. To be investigated.
> 
>     Van's RV-4 with Mazda 13-B Renesis (RX-8) stock engine.
>     RWS 2.87:1 Propeller Speed Reduction Unit
>     RWS Engine Controller and Monitor (modified)
>     Performance Propeller 76x88
>     Empty Gross: Approx 926 lbs.
> 
>     Engine log attached. Unzip and open with Excel.
> 
>     WTALR: Water temp after left radiator
>     WTARR: Water temp after right radiator
>     Use EGT and CHT Ref to compare to OAT and adjust accordingly.
> 
>     Finn
> 
> 
> 
> 
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   <span style="font-family: helvetica; font-size: 12pt;">Congrats Fin.&nbsp; &nbsp; &nbsp;David R. Cook&nbsp; RV6A Rotary Holt MI</span>
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    On 02/20/2021 2:25 PM Finn Lassen finn.lassen@verizon.net &lt;flyrotary@lancaironline.net&gt; wrote:
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   <p>N214FL left the ground this morning for an 18 minute flight.<br><br>Main concern was engine (water) cooling. As you know, cooling is a compromise between drag from unnecessary air through cowling and adequate cooling during normal flight conditions. Climbed to 1,500' before pulling back on throttle to see if coolant temp would stop rising. It did. Still, I think I erred in too small fluid inlet openings in the A/C evaporator cores I used for radiators. Some more work in that area is in my future before hot days arrive.<br><br>Cut the flight short due to a bit of smoke (didn't smell anything) briefly observed low in the cockpit at full throttle later in the flight. To be investigated.</p> 
   <p>Van's RV-4 with Mazda 13-B Renesis (RX-8) stock engine.<br>RWS 2.87:1 Propeller Speed Reduction Unit<br>RWS Engine Controller and Monitor (modified)<br>Performance Propeller 76x88<br>Empty Gross: Approx 926 lbs.<br><br>Engine log attached. Unzip and open with Excel.</p> 
   <p>WTALR: Water temp after left radiator<br>WTARR: Water temp after right radiator<br>Use EGT and CHT Ref to compare to OAT and adjust accordingly.</p> 
   <p>Finn</p> 
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