---------------------------------------------------------- Europa-List Digest Archive --- Total Messages Posted Mon 10/27/14: 5 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 08:42 AM - Re: Avelac Fuel Gauge and Sender Unit (Alan Carter) 2. 10:20 AM - Re: Re: Avelac Fuel Gauge and Sender Unit (Dpy01) 3. 10:32 AM - Re: Avelac Fuel Gauge and Sender Unit (graeme bird) 4. 12:41 PM - Re: Avelac Fuel Gauge and Sender Unit (Alan Carter) 5. 01:17 PM - Ground/earth () ________________________________ Message 1 _____________________________________ Time: 08:42:15 AM PST US Subject: Europa-List: Re: Avelac Fuel Gauge and Sender Unit From: "Alan Carter" Hi All. Need some help. I need an Avelec Sender unit, the one with the square black plastic top. anybody got one,? I am having difficulty in getting in touch with Avelec. Today I cut the wire on the sender unit, and the volt meter still falls to zero when I pull the fuel circuit breaker. I don't know what's wrong, but I am breaking a circuit, so to me it seems like the volt meter comes off this CB, and when I pull it the volts go to Zero. But this can't be right. Alan Read this topic online here: http://forums.matronics.com/viewtopic.php?p=432350#432350 ________________________________ Message 2 _____________________________________ Time: 10:20:58 AM PST US From: Dpy01 Subject: Re: Europa-List: Re: Avelac Fuel Gauge and Sender Unit >>I don't know what's wrong, but I am breaking a circuit, so to me it seems like the volt meter comes off this CB, and when I pull it the volts go to Z ero. > > But this can't be right.<< That sounds exactly what is happening. You need to trace the wiring for the v oltmeter to find where it's connected. Alan Sent from my iPad > On 27 Oct 2014, at 15:41, Alan Carter wrote: > > > > Hi All. > Need some help. > I need an Avelec Sender unit, the one with the square black plastic top. > anybody got one,? I am having difficulty in getting in touch with Avelec. > > Today I cut the wire on the sender unit, and the volt meter still falls to zero when I pull the fuel circuit breaker. > I don't know what's wrong, but I am breaking a circuit, so to me it seems like the volt meter comes off this CB, and when I pull it the volts go to Z ero. > But this can't be right. > > Alan > > > > > Read this topic online here: > > http://forums.matronics.com/viewtopic.php?p=432350#432350 > > > > > > > ========================== ========= ========================== ========= ========================== ========= ========================== ========= > > > ________________________________ Message 3 _____________________________________ Time: 10:32:19 AM PST US Subject: Europa-List: Re: Avelac Fuel Gauge and Sender Unit From: "graeme bird" the voltage sense is taken from the fuel flow circuit, which makes some sense as it is then fused -------- Graeme Bird G-UMPY Mono Classic/XS 912S/Woodcomp 3000/3W Newby: 135 hours 32 months on the Mono g(at)gdbmk.co.uk Read this topic online here: http://forums.matronics.com/viewtopic.php?p=432356#432356 ________________________________ Message 4 _____________________________________ Time: 12:41:05 PM PST US Subject: Europa-List: Re: Avelac Fuel Gauge and Sender Unit From: "Alan Carter" Many thanks to you both. I am not a builder, but using my logic it appeared to me that the volt meter was in the same circuit as the fuel gauge, as when pulled the volts where zero, did not know if this was right though. Is it just making use of a CB which happens to be the Fuel. If so one would think connect the volt meter via the least important CB on the aeroplane, or is there more to it,?? Still that,s one problem sorted. Any help with getting this Avelec sender, Avelec seem to be as as illusive as Arblast Propeller company in France. Alan Read this topic online here: http://forums.matronics.com/viewtopic.php?p=432368#432368 ________________________________ Message 5 _____________________________________ Time: 01:17:45 PM PST US From: Subject: Europa-List: Ground/earth In discussing various coax choices and installing different radio sets, it came to me to suggest to our lesser radio-concious fellows to make a suggestion which I hope will avoid some bad results otherwise. There are grounds (earths) and other grounds.... When an electronic device is planned for installation, there may be two grounds involved - ne'er the two should meet. there will be a DC ground whence cometh the juice to power the beast. There is also a RADIO ground which is used to connect two parts of the radio. Sometimes these two are confused, or even badly described in the text. ALWAYS ensure you know exactly which is which; otherwise it's likely that interference will show up later. 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