Estes Baby Bertha - EST 1261

Build Photos   Launches updated 12/13/2004

SPECS:
          Length:   12.75"
          Diameter: 1.64"
          Weight:   2.1 oz.
          Recovery: 12" Parachute
          Recommended Engines: A8-3, B4-4, B6-4, C6-5


FEATURES:
	   Small version of Big Bertha
          Skill level 1 model
          Flies to 575 feet!

 
Constructed:

 
Finished:

 
SpongeBob up close!:

 

 

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LAUNCHES

 

Sep 4, 2004 A8-3 Engine - Maiden flight Calm winds Baseball diamond next door

 
Low flight - went maybe 400 feet high? The 12" chute deployed about a second after apogee.
 

 

 

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Sep 23, 2004 B6-4 Engine Calm winds Baseball diamond next door

 

 

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Oct 6, 2004 B6-4 Engine 5 MPH winds Baseball diamond next door

First igniter failed. Second launch attempt, the Estes B6-4 engine blew the nozzle out at launch and sprayed fire all over the launch pad, while the rocket stood still the entire time! All 4 fins were scortched.

 

 

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Dec 12, 2004 B6-4 Engine 5 MPH winds Clinton Park

 
Almost missed it!

 
Good recovery!

 

 

 

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Updated December 14, 2004
 
Patrick Huxley@xmission.com