---------------------------------------------------------- RotaxEngines-List Digest Archive --- Total Messages Posted Tue 02/15/11: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 01:47 PM - Re: Re: regulators (Brian Ellis) ________________________________ Message 1 _____________________________________ Time: 01:47:26 PM PST US From: Brian Ellis Subject: Re: RotaxEngines-List: Re: regulators Hi dashwood=0A=0AI have been working on a high volt protection system for m y 912 aircraft =0Aelectrics.--Simply the 2 output wires from the altern ator to the rectifier are =0Arun through 2 break-contacts of a 12v relay. --The relay is powered from the =0Aaircraft batt via a fuse and MCB, sh ould the voltage rise on the rail above 16v =0Aa 'crowbar' fires releasing the relay and disconnecting the alternator, then the =0Aelectrical system i s running on the on board batt.--=0A=0AThe only problem I have is tryin g to get hold of a male / female (plug and =0Asocket) to-patch out and pi ck up the alternator supply at the regulator plug, =0Aany ideas where to ob tain one from or has someone already supplying such a =0Asystem.=0A=0ABrian --=0A=0A=0A=0A=0A________________________________=0AFrom: dashwood =0ATo: rotaxengines-list@matronics.com=0ASent: Sun, F ebruary 13, 2011 2:12:27 AM=0ASubject: RotaxEngines-List: Re: regulators=0A l.com>=0A=0Athanks. i was not able to find the pages i needed before. i thi nk the fuse i =0Ahave blown- is the 25A- after the reg terminals. the c apacitor is in place and =0Ashould have protected the reg as/per manual. wh en you close 16(master) then 19 =0Arelay pulls on the battery supply to fus e bus. i have an endurance fuse bus as =0Awell. somehow an alternator disco nnect- that draws minimal power only from =0Abattery to supply minimal fl ight requirements. i assume to guard against over =0Avoltage (failed reg). i don't see this in the diagram. not sure if master has to =0Abe shut off f irst to stop feedback( blowing the 25A fuse). i just want to =0Aunderstand what is happening so i can fix or not have happen in flight again.=0A=0A--- -----=0ARoss Aalexander: CH701 driver 912ul 450tt=0A=0A=0A=0A=0ARead this t opic online here:=0A=0Ahttp://forums.matronics.com/viewtopic.php?p=330827 ====0A=0A=0A ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message rotaxengines-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/RotaxEngines-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/rotaxengines-list Browse Digests http://www.matronics.com/digest/rotaxengines-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.