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Re: LF: Automatic variometer circuit

from [Markus Vester] [Permanent Link][Original]
To: <[email protected]>
Subject: Re: LF: Automatic variometer circuit
From: "Markus Vester" <[email protected]>
Date: Fri, 30 Oct 2015 21:43:54 +0100
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> just to prevent the wind-up of the cable, antenna wire, coax
 
, transmitter, key, operator,... take care ;-)
 
73, Markus

From: DK7FC
Sent: Friday, October 30, 2015 8:37 PM
Subject: Re: LF: Automatic variometer circuit

Hi Chris,

My motor draws about 200 mA at 12V. It has about 1 round per 3 seconds i
estimate. Costs are below 10 EUR. You will find something on ebay for
example.
I use end-switches in the construction BTW, see
https://dl.dropboxusercontent.com/u/19882028/LF/variometer%20end%20switches.jpg
just to prevent the wind-up of the cable, antenna wire, coax (would
sound like "crrrrrkftftftftftplingftftftftbuffftftftft...")

73, Stefan
...
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