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     1. 07:18 PM - Re: thrustline more negative or down. (Richard Pike)
 
 
 

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Time: 
07:18:22 PM PST US
Subject: 
Re: thrustline more negative or down.
From: 
"Richard Pike" <thegreybaron@charter.net>
      
      
      Flew yesterday evening and again tonight, perfect conditions, took some pictures,
      got my head on straight about my engine/gearbox/prop setup. Here's how:
      Yesterday's flight I set out to film the horizontal stab/elevator at 5000, 52k,
      54k, 56k, 58k, & 6k rpm.
      The elevator at 5k & 5200 rpm was slightly down - 1st pic.
      At 5600 - 6k it was in line - 2nd pic.
      Thinking about the effect of going from the B box/electric starter & Ivo, to an
      E box w/electric starter & Warp Drive - I am thinking I moved about 5-7 pounds
      of weight rearward about 24". 
      So now - with moderate thrust at 5-5200 rpm, the slightly rearward CG requires
      drooping the elevators a hair, at higher speeds/more thrust, everything is about
      where it needs to be.
      Along with that, tonight I gave it a real workout, cranking and banking, rapid
      throttle inputs, back to zero throttle while cranking and banking, a lot of aggressive
      maneuvering, and it felt really good. 
      Then I set the throttle at 5400, which works out to about 60 mph, and just flew
      around until it go so dark I had to land. 3rd pic
      Greaser. Life is good.
      Quit worrying about it and just go fly.
      
      --------
      Richard Pike
      Kolb MKIII N420P (420ldPoops)
      Kingsport, TN 3TN0
      
      Forgiving is tough, being forgiven is wonderful, and God's grace really is amazing.
      
      
      Read this topic online here:
      
      http://forums.matronics.com/viewtopic.php?p=503499#503499
      
      
      Attachments: 
      
      http://forums.matronics.com//files/5000rpm_medium_172.jpg
      http://forums.matronics.com//files/6000rpm_medium_527.jpg
      http://forums.matronics.com//files/20211010_190212_medium_200.jpg
      
      








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