To be followed up:

• short prototype - validation, measurements (wire tension, straw straightness, HV, ...), FE board
• Toshiba wire investigation - results
• long prototype - Alu tube measurements - results, update drawings of flanges, launch the production
• Minitubes crimp tubes investigation - results
• measure alignment of spacers in the intermediate prototype
• updated HV board drawing from Vincent with the central hole 
• documentation of procedures and results