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Excellent info! The holes do match, so that's great, and I'll shoot for the 251 unit. Thanks to you both! Rusty

Greetings, I removed an external Garmin GPS antenna, and I'm curious if the dynon 250/251 would fit the same hole pattern. I've been trying to find the hole spacing dimensions online, but so far I've come up empty. Can someone point me to the info, or perhaps measure the hole spacing for me...

I'm using the Anticyclone, antilog RS232 to record EMS and EFIS outputs from the D180. http://www.anticyclone.myzen.co.uk/product_antilog.html It works well, and has some nice features, such as being able to tell it that you don't need 64 samples per second. You're on your own for software...

Hi Mark, Sorry to confirm the bad news, but there is no way to get the info after the fact. As you suspected, it has to be captured in real time, or it goes in the bit bucket. I love the Dynon units, but the lack of data recording is a significant deficiency in an EMS product. Good luck...

Thanks for the comments. I guess the question now is- Why does yours work, when mine and Philip's doesn't? I knew that I would have to change the pulse per rev setting from one to two to make the rpm reading correct, but since my current reading is zero when I switch to the lightspeed only...

Hi Philip, Thanks for the confirmation.  At least I'm glad I'm not the only one with this problem.  I'm still in the phase 1 test period with my RV-8, so I have plenty of other things to fiddle with at the moment.  When I get some time, I'll probably put a scope on this tach line, and see what...

Greetings, I just finished installing my new Lightspeed Plasma-III ignition, and it runs great, but I have no tach on the D180 for that ignition. There was a post by Dynon back in April that says the EMS is able to work with the tach output of the Plasma-III, but I was wondering if anyone here...

Thanks for the thoughts. I know about the stainless sphere dampener, but they say to put it just before, or after the flow meter, and that isn't possible in my installation. If I put it way downstream where I have a location, then it probably wouldn't work. I might try calibrating the...

Greetings, As most of us know, the Facet boost pump that Van's sells creates pulses in the fuel line that cause the fuel flow reading to change substantially. On my previous RV-8, I mounted the flow meter downstream from the boost pump. This time, I mounted it upstream, thinking it would...

RV-8, with a D180 8-) Rusty

Thanks for the comments. It never hurts to ask :) Rusty

Greetings, While playing with the HSI on my D180, I've realized that I can easily get into screen combinations that don't have a fuel level display available. Would it be possible to add fuel level as an info item choice on the EFIS screen? Thanks, Rusty

Hi Jim, The answer to this might depend on what you plan to install the Dynon in. If it's going to be in direct sunlight, such as in an RV aircraft with a bubble canopy, the decision is a no brainer. If it will be shaded at all times by a roof, then you might be able to get away with the...

Greetings, Would it be possible to allow the user to set the output rate of the EFIS and EMS serial data output rate? The EMS isn't too bad at 4 times per second, but the EFIS at 64 times per second will max out the number of rows in Excel in about 15 minutes. For now, does anyone know of a...

Greetings, After huffing more than my annual requirement of Avgas fumes, I now have calibrated fuel level gauges 8-) One tip for anyone who hasn't done this yet- don't try to do it on the internal battery unless you're quicker than I am. I was at about 16 gallons when my battery died, and I...

Thanks for the confirmation. It's pretty hard to screw up the wiring for a fuel level sender, but I was starting to wonder ::) Cheers, Rusty

Thanks for the great answer! Bummer about having to do this twice, but in the long run, it will make for a better calibration. I only put about 4 gallons in each side for the initial engine runs, and didn't see any reading at all for fuel. I'm pretty sure that would be enough to move the...

Greetings, I'm going to have to do the cal on the fuel levels for my RV-8, and have a couple questions. 1- What amount (or amounts) of fuel will it ask me to pour for each step? If this is dependent on the size of the tank, they are 21 gallons each. I just want to make sure I have a proper...

Thanks for the comments. This is exactly what I would have expected, and was the default setting (PPR=2 for an O-360). Unfortunately, my tach read half what it was supposed to read. When I changed the setting from 2 to 1, the tach is now correct. I will eventually add a Lightspeed...

Hi again Mark, I just remembered that I made a note in my log when I got this working, and here it is: The transponder is getting mode c info from the Dynon, and it’s way cool to be able to see the reported altitude on the screen! I had to set the Dynon to output “Mode 4”, and had to change...