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Date:  10-28-2017
Number of Hours:  1.75
Manual Reference:  
Brief Description:  Aileron Prep

Back from vacation. Spent 4 hours cleaning the work area, sorting tools and vacuuming the whole garage and the benches. Man this is a messy affair. Anyway, selected the best aileron ribs from the mess they factory provided for the ailerons and flaps. I can honestly say that the quality of components (wood work wise) provided by Rocky Mountain Wings are exceptionally poor. Wing ribs with split plywood webs, out of square cap strips (see photo 1) and very rough shaping and edges. I think they should invest in a laser cutter and buy glasses to whoever the individual is that fabricates and epoxies the ribs together. What a mess.

We will have to correct these as best we can to ensure a symmetrical airfoil shape. The manual says NOT to sand the cap strips (other than to smooth the surface prior to shellacking). It will take “some” cap strip surface removal to square these up, so we have decided to reinforce the cap strips with carbon fiber after they have been reshaped correctly. This will take longer of course but better to be on the safe side.

We trimmed up the trailing edge material to a nice straight edge and have marked the ribs for trimming to keep the trailing edge flush with the airfoil itself. I myself, am in the process of converting a computer power supply into a variable power supply for the leading edge foam cutting. I hope to complete that in a week or two while we get the ribs for the left wing ailerons and flaps fixed and ready to build with. We will let you know how it turns out.
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Wacky epoxy job from factory. WAY OUT OF SQUARE!

Wacky epoxy job from factory. WAY OUT OF SQUARE!

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Checking square and marking trim line for trailing edges.

Checking square and marking trim line for trailing edges.

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you can see how much trimming and shaping is going to be required to make these two fit  smoothly.

you can see how much trimming and shaping is going to be required to make these two fit smoothly.

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