Yes. understand. If the compass is within 10 degrees that is Ok for dead reckoning. Magnetic variation is more than that here in Victoria.
On Tue, Jan 6, 2015 at 7:39 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 <cmruneck...@gmail.com> > > *Sent:* Tuesday, January 6, 2015 6:15 PM > > *To:* Discussion of issues relating to Soaring in Australia. > <Aus-soaring@lists.internode.on.net> > > *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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