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Re[2]: LF: Automatic variometer circuit

To: DK7FC <[email protected]>
Subject: Re[2]: LF: Automatic variometer circuit
From: Chris Wilson <[email protected]>
Date: Sat, 31 Oct 2015 13:20:06 +0000
In-reply-to: <[email protected]>
Organization: Gatesgarth Developments
References: <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]>
Reply-to: [email protected]
Sender: [email protected]
Hello Stefan,

Friday, October 30, 2015

Thanks  for the detailed info, and thanks to Andy `GNT for the info re
the  caps. I will order the I/C's for this circuit, and I have ordered
a  2  RPM  reduction  drive motor and some micro switches for the limit
switches, so will be giving this a go! Much appreciated.


> 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








-- 
Best regards,
 Chris                            mailto:[email protected]


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