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Old 12-13-2018, 11:14 PM
teflonrocketry1's Avatar
teflonrocketry1 teflonrocketry1 is offline
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Join Date: Aug 2007
Location: Whitehouse, Ohio
Posts: 237
Default Estes Geo Sat LV #1977

I put together a RockSim flight simulation file for the Estes Geo Sat LV #1977, see attached file and screen shots. I am planning to clone this model using 3D prints of the plastic parts available at; https://www.thingiverse.com/thing:440953

I had to make my best guess at the dimensions of several of the Geo Sat LV parts namely:
Fin thickness (3/32"?)
Diameter of the wood dowels (1/16"?)
Dimensions of the booster standoffs (1/4" span? 10" Length? )
Dimensions of the launch lug standoffs (1/4" span?, 1" length? 45degree offset angle?)
Actual fin root length (2.03"?) and fin tip cord length (0.83"?)

Can anyone supply these details from an actual kit so I can create a better RockSim file and have a more accurate sized clone?

Based on the simulations in the attached file I would not want to fly this rocket on any of the B motors that are recommended. The C6-3 motor is barely adequate, simulation gives about 300' AGL and 22mph off the tip of the launch rod!
Attached Thumbnails
Click image for larger version

Name:  Estes Geo Sat Sim fig 1.jpg
Views: 36
Size:  223.1 KB  Click image for larger version

Name:  Estes Geo Sat Sim fig 2.jpg
Views: 38
Size:  198.5 KB  
Attached Files
File Type: rkt oop_estes_Geo_Sat_LV.rkt (116.4 KB, 21 views)
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Bruce S. Levison, NAR #69055

Last edited by teflonrocketry1 : 12-17-2018 at 01:49 PM.
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