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  #1  
Old 04-04-2009, 11:27 PM
James Pierson James Pierson is offline
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Location: Washington State
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Lightbulb New Design: Blue Tail Jet

The Blue Tail Jet, for lack of a better name, has been in my "In progress" file for some time due to "lack of progress" . Finally got this design to fly and could be a good park flier design. Could have changed the fins and wings to make it a bit more stable but decided to stick with the 50's jet age look. The rear transition moves the wieght of the engine aft and really degrades the static margin on such a short rocket.

Enjoy and Thanks Again, JP

James Pierson
NAR#77907

Blue Tail Jet (13mm)
Launch guide length: 36.0000 In

MOTOR.................MAX. ALTITUDE...........DEP. VELOCITY
1/2A3T-2...............126.54277 Ft............16.5236 ft/s
A10T-3.................332.79633 F.............16.8943 ft/s
A3T-4..................343.76857 Ft............11.1792 ft/s
.
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  #2  
Old 04-05-2009, 04:28 AM
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mycrofte mycrofte is offline
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That's part of the problem I have had. I want something other than 4FNC and it isn't very stable. Go figure...
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Old 04-05-2009, 11:21 AM
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CPMcGraw CPMcGraw is offline
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It's a problem we all suffer with age. Our margins degrade as our weight shifts to the rear...
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  #4  
Old 04-05-2009, 12:33 PM
James Pierson James Pierson is offline
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Talking

Quote:
Originally Posted by CPMcGraw
It's a problem we all suffer with age. Our margins degrade as our weight shifts to the rear...



And our Full Frontal Diameter keeps growing and seems to be perminantly selected.
i.e. Dunlap Disease, Dun Lapped Over my Belt .

James Pierson
NAR# 77907
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Old 04-05-2009, 01:00 PM
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CPMcGraw CPMcGraw is offline
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Quote:
Originally Posted by James Pierson
...Dunlap Disease, Dun Lapped Over my Belt ...


AKA: Mugwump Syndrome...
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  #6  
Old 04-05-2009, 02:00 PM
johnnwwa johnnwwa is offline
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Quote:
Originally Posted by James Pierson


And our Full Frontal Diameter keeps growing and seems to be perminantly selected.
i.e. Dunlap Disease, Dun Lapped Over my Belt .

James Pierson
NAR# 77907


Ah yup I just blame it on gravity


John
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