04-05-2008, 11:25 PM
|
 |
BARCLONE Rocketry
|
|
Join Date: Mar 2005
Location: Mobile, Alabama
Posts: 5,357
|
|
Quote:
|
Originally Posted by James Pierson
...Galactic Goblin...not as stable as I would like it to be...needs an ejection charge of 3 seconds on B motors...
MOTOR.................MAX. ALTITUDE...........DEP. VELOCITY
A8-3..................125.45308 Ft.............21.9994 ft/s
B4-4..................314.03970 Ft.............18.4159 ft/s
B6-4..................320.77789 Ft.............13.9452 ft/s
C6-5..................713.53347 Ft.............18.4870 ft/s
|
Interesting images, James. 19 and 14 FPS are not horrible DVs, but if they could be brought down a bit it would make for a not-quite-such-a-nail-biter at chute time...
Could the altitude performance be sacrificed for a softer DV? Larger diameter shroud, or larger fins (greater margin)? |