TECH NOTES

(Courtesy of Star Rocketry)

 

Caution When Building "L" Motor Tubes

 

Motor Tube Lengths vary on 1685cc & 2800cc Motor Systems.

If you plan on using both the 1685cc & 2800cc motor systems in your rocket be sure to build your motor tube for the 1685cc motor system.  Due to the different neck configurations on the tanks the 2800cc motor system ends up taking 1/4" more motor tube space.  By building your motor tube to fit the 1685cc configuration you can just add a 1/4" motor tube spacer to accommodate the 2800cc configuration.

 

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