Jason Omelchuck
Joined: 07 May 2009
Posts: 120
Location: Portland Oregon
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 Posted: Mon Oct 12, 2009 10:32 am Post subject: MKIII Weight and Balance and feel of the airplane |
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Well I am just wrapping up my 40 hour fly off with the new engine and I finally got around to testing the aft CG limit I have set. I have set my forward limit at 16.5" and the aft limit at 23.5" (datum is the LE of the wing). I chose these limits as they have been used and tested in MKIII's before. I reach gross weight before I reach the forward limit. To test fly at the aft limit I set, I strapped 10# of lead to the tail wheel strut. It was either that or find a person lighter than me to fly it. I must say that I liked the way the plane felt at the aft CG of 23.5". It was lighter in roll and still did not have any trouble keeping straight and level in cruise. I only have about 60 hours in a Kolb, and am by no means an experienced test pilot, but I just thought it was interesting how it lightened up the controls at the aft CG. I am not going to test any further aft than 23.5" as I am not that brave (or experienced) but I would be interested if there are any real test pilots out there in Kolb land who have actually tested the aft CG to its limits of stall recovery or stability.
Jason
MKIII Yamaha powered
Portland, OR
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