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Jims Web Site
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Date: 2-7-2011
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Number of Hours: 0.50
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Manual Reference: LAA
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Brief Description: Balanced aileron
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The aileron arm doesn't need balancing. The ground vibration tests Zenith conducted proved that. However, the LAA decided it did, and Zenith was stuck with balancing the ailerons if they wanted to sell any more airplanes in England. So, to comply with the modification package, I've installed the balance arm.
There seems to be some really bad ideas about how to balance the aileron. I used the same procedure I was taught to balance any control surface.
1. Brought flaps to retracted position, and taped in place.
2. Clecoed aileron into position.
3. Added by guess at half the weights needed to the arm, through a couple of overlength AN3 bolts.
4. Added weights to the arm, one at a time, until the arm came up even with the flap, which is the neutral (or balanced) position.
5. Primed weights, and set aside for later use.
6. Removed and stored aileron.
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Added appox half of weights
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Added weights until arm balanced
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Primed weights
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