http://groups.yahoo.com/group/RV-8/ RV-8 Mon, 09 Nov 2009 19:50:10 GMT Pete Cowper http://groups.yahoo.com/group/RV-8/message/7708 http://groups.yahoo.com/group/RV-8/message/7708 Remember when trusting modern glass panel type replacements for the "obsolete" whisky compass, that as builders we are focused on getting our planes up in the Mon, 09 Nov 2009 02:46:35 GMT BobbyD http://groups.yahoo.com/group/RV-8/message/7707 http://groups.yahoo.com/group/RV-8/message/7707 I think you'll need something that works even if all the electrics and battery fail. I guess it will depend on what the DAR will accept. There may be some Fri, 06 Nov 2009 13:08:10 GMT Jon http://groups.yahoo.com/group/RV-8/message/7706 http://groups.yahoo.com/group/RV-8/message/7706 Dave: Your operating limitaions will specify that you need to comply with 91.205. 91.205 states that you are required to have a "magnetic direction indicator" Thu, 05 Nov 2009 21:37:25 GMT Rick McBride http://groups.yahoo.com/group/RV-8/message/7705 http://groups.yahoo.com/group/RV-8/message/7705 It might be worth checking with your inspector. Here in Northern Virginia the FSDO still does inspections if the builder chooses to use them. Unfortunately, Thu, 05 Nov 2009 21:15:06 GMT Steve Waltner http://groups.yahoo.com/group/RV-8/message/7704 http://groups.yahoo.com/group/RV-8/message/7704 The general consensus I have heard is that a digital compass is fine. Earlier in this thread, Paul Dye said, "(back when we all interpretted the rules to say Thu, 05 Nov 2009 20:03:30 GMT David Rogers http://groups.yahoo.com/group/RV-8/message/7703 http://groups.yahoo.com/group/RV-8/message/7703 Is one required if you are already using the digital compass (Remote AHRS) from an AF3500 Efis? Sent from David's iPhone ... [Non-text portions of this message Thu, 05 Nov 2009 19:15:42 GMT Dane Patterson http://groups.yahoo.com/group/RV-8/message/7702 http://groups.yahoo.com/group/RV-8/message/7702 No mater where you put it it probably won't work unless you go to the trouble to degauss the roll bar and the canopy frame. My solution was to mount two of Thu, 05 Nov 2009 18:22:57 GMT james d winkler http://groups.yahoo.com/group/RV-8/message/7701 http://groups.yahoo.com/group/RV-8/message/7701 i used a pep boys 3.00$ compass on a suction cup . my dar loved it. j [Non-text portions of this message have been removed] Thu, 05 Nov 2009 18:22:30 GMT ironflightrv8 http://groups.yahoo.com/group/RV-8/message/7700 http://groups.yahoo.com/group/RV-8/message/7700 I mounted mine on the left side of the panel (back when we all interpretted the rules to say that you had to have a stand-alone magnetic compass), and that's Thu, 05 Nov 2009 17:54:06 GMT danbaier http://groups.yahoo.com/group/RV-8/message/7699 http://groups.yahoo.com/group/RV-8/message/7699 Bill... To put the compass in the panel you'd just that - build a box for the compass. The material is very thin and easy to bend. In fact, it's fragile - Thu, 05 Nov 2009 17:16:52 GMT japhillipsga@... http://groups.yahoo.com/group/RV-8/message/7698 http://groups.yahoo.com/group/RV-8/message/7698 Dan, how would this shield help on a RV 8a like mine where just pulling the canopy closed can make a compass slide 10-20 degrees? Would you have to build a Thu, 05 Nov 2009 16:41:40 GMT danbaier http://groups.yahoo.com/group/RV-8/message/7697 http://groups.yahoo.com/group/RV-8/message/7697 7A - on the glareshield. Protected from avionics by Mu Metal ( see http://www.aircraftspruce.com/catalog/inpages/magneticcompassshield.php ). Dan Thu, 05 Nov 2009 15:55:51 GMT Dave Buntin http://groups.yahoo.com/group/RV-8/message/7696 http://groups.yahoo.com/group/RV-8/message/7696 I plan on putting mine on the left side in the panel, but will have the canopy bow degaussed to reduce the possibility of magnetic interference. Dave ... Thu, 05 Nov 2009 15:40:25 GMT Mike and Peg http://groups.yahoo.com/group/RV-8/message/7695 http://groups.yahoo.com/group/RV-8/message/7695 I located mine on the right side of the panel.  When the canopy is closed it causes the compass to move about 20 degrees.   Mike Hepperlen RV-8 flying 122 Thu, 05 Nov 2009 14:57:10 GMT bell19472000 http://groups.yahoo.com/group/RV-8/message/7694 http://groups.yahoo.com/group/RV-8/message/7694 We are finalizing our panel and are wanting to know where other builders have located their compass...glareshield, panel etc. and how well it worked..thanks