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-   -   New Design - Tholean Scout (http://www.oldrocketforum.com/showthread.php?t=7310)

Slickwilly 07-03-2010 06:04 PM

New Design - Tholean Scout
 
3 Attachment(s)
Enjoy!

CPMcGraw 07-03-2010 08:05 PM

Quote:
Originally Posted by Slickwilly
Enjoy!


This has eye-appeal, Slick!

One "gotcha" to bring your attention to. The Dv numbers (deployment velocities) are extremely high. This model is currently in chute-shredder territory. The upper number for LPR designs is about 20 FPS, and the lower the better. 10 FPS is nice, but 5 FPS and below is the desired target range. Soft, gentle pop-outs of the parachute reduce the stress on the recovery hardware, and reduce the chances of a zipper, too.

Try scaling up the fin size, and watch the numbers carefully. Also, try adjusting the delay times of the engines. It's a combination of these items that get the optimum results, but it's well worth it.

Keep posting! After a while, you'll get the hang of it. :D

Feyd 07-03-2010 10:33 PM

2 Attachment(s)
Nice design - I like the fin patterns!

I also thought this would do well as a two-stager. Played around with it a little and came up with some really good numbers.

Take a look!

D12-0 / D12-5 => 1012 ft / DV 16.50


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