[ARC5] Vibrator power supply

[Geoff]

----- Original Message ----- 
From: "Kenneth G. Gordon" <kgordon2006 at frontier.com>
To: "Arc5" <arc5 at mailman.qth.net>
Sent: Wednesday, December 12, 2012 1:21 PM
Subject: Re: [ARC5] Vibrator power supply


> On 12 Dec 2012 at 13:07, Bill Cromwell wrote:
>
>> If you have to go that route to get it working
>> and you want to hear the vibrator racket get something like a
>> miniature bicycle wheel, spool it up, and put a baseball card through
>> the spokes (evil grin).
>
> Hee hee! :-)
>
> Well, Bill, one thing I loved about my DY-88 running is that both the
> dynamotor and the vibrator "sounded off" at the frequency that my bagpipes
> were tuned to: "A" 460 Hz. The bass drone sounds at about 115 Hz.
>
> Sure was purty.
>
> Ken W7EKB
>

A coupla power FET's and a few support parts and no more problems for 
another century or more. Not even  a heatsink for a drain such as in an 8 
tube auto radio with PP audio.