[time-nuts] Semi-OT: Hardware for WR-90 waveguide sections?
jimlux
jimlux at earthlink.net
Sun Sep 19 03:13:45 UTC 2010
k6rtm at comcast.net wrote:
> Not completely OT, as stable and accurate timebases are very useful in microwave systems...
>
> What's the proper hardware to use for connecting WR-90 (10GHz) waveguide sections? I figure 8-32 brass or stainless, avoiding anything magnetic.
>
>
whatever fits through the holes in the flanges.
#8 requires a 0.187 hole, #6 requires a 0.156, #4 is 0.125, #2 is 0.109
One reference I have says WR90 has 0.169" holes, so that's #6 hardware.
Whether it is magnetic or not doesn't make any difference.
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