03-02-2009, 07:21 PM
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BARCLONE Rocketry
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Join Date: Mar 2005
Location: Mobile, Alabama
Posts: 5,357
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Update on an old design -- Starlighter Shuttle
I thought I'd shove this one back out to let everyone see what it looks like rendered with all the flight hardware in place.
One thing RockSim says I need for the boost phase is a 1 oz ballast in each booster. A lot of ballast, and I may try to trim this down a bit, but still the model reaches 1300' on a pair of D12-7 engines, with a Dv of only 5 FPS. It takes 32" out of 36, which means I might want to change the launch lug to a 3/16" and use a 48" rod instead.
Keep in mind, this model is not ready-to-fly in its current configuration. The booster detach mechanism is not going to work as-drawn. It needs something else, possibly a more active capture-hold-forced-release system. Sliding catch tubes, or something similar. It's still a work-in-progress...
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