[Milsurplus] submi-s, prox. fuzes

[Unserviceable but Repairable]

Below comes fm Bob Dennison (W2HBE) art'l in fall '96 QCWA Journal

> anyone know the frequency band these things (prox fuses)  worked in?

160 MHZ - a cw radar that triggers on doppler-shift.  And they're
          fuZes, not fuses.

> There had to be 100,000s if not millions produced. Maybe someone
  somewhere even has the actual figure, or i'd bet it appears in some 
  history. 

Sylvania was making 500,000/day @ end of ww2.  Total production was 130
million

> (someone else) indirect cathodes?

No.  But acft-dropped or rockets used prop-driven AC-powered ckt that
filtered out supply freq. (the hum)  Atl'y versions used dry-charge
battery where firing jolt spread acid.

Surprising facts:

      1uf squib-fire cap was reportedly world's 1st mylar

      the 4 subminis were wrapped in foam sheet then potted.  So
      I doubt that ANY survive.

      invented by Brits ~1940 for big naval atl'y.  

Wonder if W2HBE'd mind an art'l scan & space on web?

Also wonder if anyone out there'd like a $70 URM-25F.  No lid.  FOB 
Atlanta.   Revived a month back, assignment over.  Guaranteed working.
Immagine that!


  Marty