On the MkII Chrysalis main wing panel the shear webs have two different shaped notches in the corners that go toward the J rib. Does it really make any difference where they go?

The top piece with the notch gets broken off and trashed anyway. I'm just curious. It does seem to make a diference which way I place them. Or have I goofed up something else again. haha

From : Don Stackhouse

The notched ends indicate which end of the strip of webs goes towards the J rib (that's important because the spacing between ribs is not exactly the same over the span of the panel), and also which one goes in front of the spar and which one behind the spar. That location was important on the old MkI design because the rear set of webs had a little window between the E and F ribs to make room for the end of the spoiler horn we used with the old linkage (the one that used a single servo in the center section, with flex cables out to each spoiler).

On the MkII that little window is gone, so the forward and aft inboard shear webs are identical. However, in case something comes up in the future where we need to make them different again, we decided to leave the notches alone.

It also gives the builder one more thing to think about, one more detail to notice, to help them learn to keep their eyes open during building. It's good mental exercise, and that attention to little details will also be very important later when it comes to mastering the arts of basic flying, and of thermalling. Every little deflection of the structure, wiggle of the airplane's flight path or attitude, tiny change in bank angle, etc., tells you something about what the model is doing, and what is going on in the air around it. One of the biggest secrets to really mastering the art of flight is noticing all of those details, and correctly interpreting what they are trying to tell you.

Don Stackhouse
DJ Aerotech