|10-06-2012, 03:27 PM||#1|
I am: Lorne W
Join Date: Nov 2010
Location: Fraser Lake, B.C.
Radio of choice:
# of RCs: 7
Feedback: 0 / 0%
Total Props: 0
Rcexcell opti-kill and tachometer
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Hi, Me again, really need some help here.......
Just upgraded from a 9Z radio to a futaba 10cag with a 6014HS receiver in my new aeroworks 300 60-90.
I have the DLE 20 in it along with an rcexcell tach and optikill switch. Right from day one the tach never worked right.... always rebooting to zeros ... all the time. I just eventually gave up on it and used the tach on the 9Z radio for tuning. Figured i had wasted a couple of bucks but oh well...When I swapped in the 6014HS receiver I put the optikill onto channel 10 and assigned that to a switch. The plane has always run ok but I have always had a problem with it at the midrange. Yesterday after flying I decided to do a little more tuning. Again, that tach was no help so I was using the old 9Z. At one point I noticed that when I shut off the Futaba 10 the optikill would not shut down. It seems there is no failsafe for chan. 9 and 10 on this radio. No big deal, I switched the optikill to chan 7 and assigned it to the same switch. Next thing you know I hear some crackling and can smell something frying. Turns out the output power wire on the optikill fried itself right off of its board. I never set the channel endpoints to max (I find out now on the forums that I should have done that) so I hope that is what caused it. Then I was worried that I had burned out the ignition so I plugged a fresh batt right into the ignition and it seems to run as good as it did before. So now I wait until monday to order another optikill from Valleyview.
I decided today to look into the tach issue... Here is what I found... Power on to ignition,everything hooked up.... I spin the prop slow and everytime the plug fires, the tach reboots. If I remove the spark plug wire from the plug, It will showa 3 or 4 depending on how fast I spin the prop. Remove the plug from the engine and put it into the plug wire and spin the prop all is well, no reboot. Then screw the plug back into the head and connect spark plug wire, the tach reboots when the plug fires. Could this be a ground issue that is not doing my midrange any good? The tach reads fine when the engine is running above 7000 rpm, any lower than that it eventually starts its reboot cycle, over and over.
I gotta order another optikill on monday and if I need an ignition I'd like to order it at the same time but I dont know what the problem is....
Any help anyone?
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