Tue 10 January 2006 |
Continuing with the VOR antenna mount I needed a AN3 nutplate jig. We didn't get the larger versions so I spent a bit of time making acurate steel templates, these can be used with a bolt for locating. | 
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Once we confirmed the bracket would work for the mounting, I started modifying the fibreglass tip. | 
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With the weather improving and almost no wind I masked up the canopy frame with masking tape. | 
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We lightly scuffed the frame with 400 grit paper. | 
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And then de-oxidine and left to dry. Drying the frame completely was tricky, compressed air to help drive out water was useful as per usual. | 
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Then it was prime anything that hadn't already been primed, followed by top coat. | 
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Rather frustratingly I had problems with the top coat, it was patchy and difficult to work with. The problem seemed to be the flow of paint, I ended up with some light orange peel on the rear of the frame hoops and very light (/ rough surface) in the rear corners. We will review tomorrow once I've had a sleep. The cause was two fold, firstly somewhere we ended up with some contaiments in the mixing process - however these were traped by the mini-filter. The bigger problem was the top air vent had become blocked and we think that was the cause of the drop in supply flow. Someting learned for the cleaning process - just rather frustrating that it happened now on a visible bit. | 
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