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Catto Props and HP

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n320wt(at)yahoo.com
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Posted: Mon Oct 16, 2006 5:37 pm Post subject: Catto Props and HP

I had Craig Catto build a prop for N320WT and installed it just before Airventure last year. I asked him to build it for a 160HP 0320. My 0320-A2B was a low compression 150HP motor until late last week. I installed 8.5:1 pistons and new rings in freshly honed cylinders and made my first flight Friday with 160HP. The results were quite impressive. Observations will be listed as Before/After the compression increase. The process of installing new pistons only took 3 days.

   

  Static RPM                             2130/2250

  Climb at 120 mph  ft/min          1100/1600

  RPM (at) 22" MAP                    2440/2650

   Cruise (at) 22" MAP                   150/165

   

  During my next flight, I plan to do a full throttle run to see what max rpm will be. I'll also try setting power to the old cruise rpm to see what MAP is required and what the fuel flow will be. Should be interesting to see!!!

   

BRIAN ALLEY (N320WT) 

CARBON FIBER COMPOSITES

101 Caroline Circle

Hurricane, WV 25526

www.carbonfibercomposites.net

304-562-6800 home

304-395-4932 cell



How are you going to win by a nose if you don't stick out your neck? [quote][b]

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Mytyweav(at)earthlink.net
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Posted: Mon Oct 16, 2006 7:13 pm Post subject: Catto Props and HP

It's about fricken time.......

 [quote]   ---

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