Yes, they are all gray on the bottom.I think they are all the same on the bottom
What is the best color for the Spark? I like red but I read that green and yellow ate the easiest ones to see at s distance
I am going to apply reflective vinyl on mine on the top and bottom. If it ever gets lost and I have an idea where it landed, I can search for it at night with a good bright flashlight.
I remember that story. The dot idea is a good one. I have a vinyl cutter like the sign shops use. I am going to create a pattern of some kind eventually. I wish I could get some of the high vis vinyl you used but I think I have enough sign vinyl to get the job done.
I chose red with the idea that it is a color not often found in nature compared to other choices. It won’t make it easy to spot the Spark on the ground, just easier.
Don't fly during the fall season as there's plenty of red, and yellow leaves all over the ground.
Hello from the Hoosier Heartland, Northern Bob.
The red ones go faster.
Just ask anybody with a sports car.
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