The Snake Jumper has a similar configuration and the rkt file has the tip fins configured on the pods so I thought I would give it a whirl. One interesting feature of Rocksim that I was unaware of is that if you define half a fin (the upper half) the program will create a mirror along the long axis. Not sure how I did that but it was most helpful; - draw half and then copy and paste. It is probably too long for a true Groony, shortening it might make it more cartoon in appearance but it goes pretty unstable. A C6-5 flies to about 950 feet though.

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Gravity is a harsh mistress
SAM 002
NAR 91005
"The complexity of living is eminently favored to the simplicity of not."