Speaking from an aerospace engineer's perspective [electronics, not mechanical, but I still had to learn all of the basic statics and dynamics disciplines] the horizontal component on the lower two fins would seem to be there to add a horizontal force to the fins to preclude them buckling due to a structure that wasn't designed for those loads, horizontal rather than longitudinal which are the loads to be supported during a vertical landing. Although in the movie, the Ark does a belly landing on snow.
Just a thought brought on by having my attention drawn to why it, the horizontal structure connecting the two lower fins, was a part of the vehicle design.
TomW.
Quote:
Originally Posted by ShadowCory
I think you are spot on. On the blueprints I am using as reference it labels that little tail piece as "Rail Support" or something of the like. I think it is there as accessory to the sled the rocket is mounted on.
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