[ARC5] [Boatanchors] BC-348 Backlash Suggestions

[john rose]

Perhaps this thread has become, in and of itself, the very definition of Backlash. That is; a reaction to an expressed idea or proposal.

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> From: WA5CAB at cs.com
> Date: Sat, 27 Apr 2013 15:06:09 -0400
> To: arc5 at mailman.qth.net
> Subject: Re: [ARC5] [Boatanchors] BC-348 Backlash Suggestions
>
> I'm sorry, but this terminology is all backwards. In a simple worm and
> spur gear right angle drive as used in the BC-348, lost motion between moving
> the knob and moving the capacitor shaft has two main sources - backlash
> between the worm and spur gear and endplay in the shaft the worm is mounted on.
>
> To quote in part Webster's Third New International Dictionary,
>
> backlash n b: the clearance, slack or play between adjacent movable parts
> (as in a series of gears).
>
> end play n 1 : slight endwise movement (as of a shaft or axle).
>
> Robert Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
>
> In a message dated 04/27/2013 12:48:32 PM Central Daylight Time,
> vk2bcu at operamail.com writes:
> > 73 de Les Smith
> > vk2bcu at operamail.com
> >
> >
> > To quote Richard Knoppow: "Most of the so-called anti-backlash
> > arrangements of gears is really to eliminate play."
> > So we really mean anti-play arrangement, not anti-backlash.
> >
> > I like your precise use of language, Richard.
> > We (humans) often fail to use the correct word or term.
> >
> > For example it's more common to see "mHz" (meaning one thousandth of a
> > Hertz - a very low frequency) rather than MHz.
> >
> > Les
> >
> > -
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