Why not eliminate the fin altogether? That is, keep the mirror internal,
with a clear piece of skin for it to look through? This would simplify your
aerodynamics, and should still allow for a broad field of vision, unless you
are seeking to look straight back down the rocket? (In which case you could
increase the OD of the stage holding the mirror, and again use a clear
substance for skin in the selected area, allowing the mirror to look
straight back down the exterior of the tube, and still keep a relatively
A newbie to the group and to rockets, but what do you think? As a point of
curiosity, can you let me know what solution you do come up with?
> Hi all,
> I have made a payload for a small video camera which includes a hooded
> mirror. Trying to imput the hood as *one* fin is impossible in VCP and
> Rocksim (maybe I'm going about it the wrong way). I have also downloaded
> spreadsheet to manually enter my measurements, but can't figure out how to
> add more than one set of fins.
> Can I get some help? I'd like to get this thing in the air, but prefer
> to prang.
> Do I need to build a hood on the opposite side of the airframe? I'd
> not to.
> Ned Nassif