List of materials

 

List of materials : all dimensions in mm

The major mechanical items are given. This list is not 100% complete. See text and pictures for additional components.

Aluminum plate

2*   340*320*1.5 sides

2*   303*320*1.5 front/rear     

2*   373*333*1.5 bottom, cover  (+ 2* 15 mm is added on all sides to allow the use of 15 mm alu 90' staff)

340*300*2 middle plate (2 mm is used given the weight of the QBL 5/500 tube)

483*354*3 front 19" (optional for mounting in 19" rack)

Brass plate

120*230*2 lecher top

140*250*2 lecher bottom

240*180*1.5 sandwich capacitor  High voltage

280*10*1,5 L, g1

140*200*1,5 G2  G2 sandwich capacitor (Ug2 side)

2*   135*195*1,5 G2 sandwich capacitor, ground side ( grounding foil will be pressed between these plates)

75*75*1.5 lecher capacitor, tune, stator

75*50*1.5 condensator load, stator

Fosforbronze plate

67*100*0.2 to output connector

75*100*0.2 mass load-flapper

400*10*0.2 clamp for teflon chimney

Brass staff

140*60*6 vertical part lecher (Aluminum can be used as well)

3*  7*7*75  mounting of  tune / load stators to lecher, load-flapper to ground

4* 15*20*8 4* tube pin connector (only in case you have to make your own cathode / grid 1 connectors)

90' staff Aluminum 15*15 mm

approx. 6 meter

90' staf  messing 10*10

approx. 10 cm,  clamp teflon chimney

Teflon

Large sheet to make the chimney  (thickness not very important)

60 mm pillar with 10 mm diameter. Placed underneath lecher close to tube.

Eccentric driven cylinders (see various pictures) for load / tune

Mounting pads for lecher and sandwich Hsp decoupling capacitor ( 15 in total )

Various  sheets in sandwich capacitors and between lecher ( 0.3 mm thickness )

Rexolit

2 lengths of 12 mm diameter shafts for eccentric teflon cylinders.

 

 

QBL details