Aluminium casting tubes

The CHIRON2 rocket requires custom made casting tubes. As the kraft paper tubes of the CHIRON1 rocket may have caused the engine failure, a more solid approach was taken.

120*114 (OD/ID) aluminium tubes were reduced to approximately 117.5*114. To assure proper bonding of the sorbitol propellant, a single layer of thick kraft paper was glued into the aluminium tube.

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Fig. 1. Aluminium tubes with the inner layer glued in.

 

 

 

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