Obsolete instrument mandated by the Regulator. In gliders mainly used to fill instrument hole that could be used for something useful. In high wing powered aircraft can be used as attach point for pair of fluffy dice which are about as useful.
Mike > On 6 Jan 2015, at 4:39 pm, Mark Barnfield <mb...@internode.on.net> wrote: > > What’s a compass? > > From: aus-soaring-boun...@lists.internode.on.net > [mailto:aus-soaring-boun...@lists.internode.on.net] On Behalf Of Tom & Jane > Gilbert > Sent: Tuesday, 6 January 2015 7:13 PM > To: Discussion of issues relating to Soaring in Australia. > Subject: Re: [Aus-soaring] Compass Swinging > > Hi Chris, > > There are a few methods but the easiest is as follows... > > 1. Using a master compass (a good bush walking compass will do) align the > glider North South. (This should be done well away from any hangars with > power on and instruments running) Using a non magnetic screwdriver, adjust > the compass to North. > 2. Align the glider to South using the master compass and halve the error. > 3. Repeat in East West. > 4. Align the glider to all the cardinal headings (ie, every 30 degrees) and > record the indicated heading. > 5. Complete the correction card. > > Using this method you should be able to get to within 2 degrees on every > heading (not always but usually). > > Regards, > > Tom > > > > > From: Chris Runeckles > Sent: Tuesday, January 6, 2015 6:15 PM > To: Discussion of issues relating to Soaring in Australia. > Subject: [Aus-soaring] Compass Swinging > > Hi sailplane drivers. > > Has any one got a procedure for swinging glider compasses, or a link to a web > article would be good? > > Many thanks > > Chris Runeckles > _______________________________________________ > Aus-soaring mailing list > Aus-soaring@lists.internode.on.net > To check or change subscription details, visit: > http://lists.internode.on.net/mailman/listinfo/aus-soaring > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.5577 / Virus Database: 4257/8877 - Release Date: 01/05/15 > > _______________________________________________ > Aus-soaring mailing list > Aus-soaring@lists.internode.on.net > To check or change subscription details, visit: > http://lists.internode.on.net/mailman/listinfo/aus-soaring
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