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.