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Old 04-04-2009, 07:43 PM
James Pierson James Pierson is offline
Master Modeler
 
Join Date: Dec 2005
Location: Washington State
Posts: 654
Lightbulb New Design: Allegis II 18mm

Here is the "extended version" of the Allegis with an 18mm motor mount called the
Allegis II. I did my best to simulate the Semroc BC-734 which is used on this
design. All other parts are Semroc parts as usual.

For a while now I have noticed that by adding fins forward of the CG it really
brings the Margin down in Rocksim. I just hope this is an accurate calculation as I
would like to use forward fins more often in design but tend to avoid them for
reasons above.

Enjoy and Thanks Again, JP

James Pierson
NAR# 77907

Allegis II (18mm)
Launch guide length: 36.0000 In

MOTOR.................MAX. ALTITUDE...........DEP. VELOCITY
B4-4...................323.16601 Ft.............16.1141 ft/s
B6-4...................329.96391 Ft.............11.0293 ft/s
C6-5...................724.06824 Ft.............15.2788 ft/s
.
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Attached Files
File Type: rkt Allegis II 18mm.rkt (79.7 KB, 92 views)
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