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Discussion
do you range check your 2.4 systems?
I can honestly say I never range check my small model 2.4 systems
I also never have a problem with them My personal feeling is that these new devices - if properly installed (and that is a no brainer at this stage of the game) will either work perfectly on the bench and then in the air - or they won't work at all Anybody else do the same ? rx used in these instances are all single unit rx - 500/600 6100 and later version park flyer type rx. reading posted descriptions of in air failures on this stuff lead me to believe range is not a contributing factor to those crashes - lousy installs - incorrect uses of ESC/ batts etc., still appear to be the main reason for sudden loss of "receiver" in the air. Do I recommend this? nope -but it works for me |
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I am guilty as charged. I had stopped doing checks a long time ago after a year of using (2) Airtronics RD6000's. Never had a range issue so I got lazy and just did not do them. If I did do a range check it was when the plane was taxing out I would leave the antenna down.
To be honest, I have not done a range check on my RD8000's. To date, never a glitch, or hiccup. I do make sure my antennas are setup correctly. Yes I know I am being lazy. I have also seen many planes go in after a good range check. Buzz. |
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Yes but only on the maiden and for the first few flights afterwards.
Both glow and electric. |
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Isn't the idea of a range check to check the receiver placement for optimal signal reception? Testing new radio on foamie is ok when testing new radio but does nothing to confirm good rx placement inside a particular plane. RIght?
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Only did a range check once where you walk away from the model until the controls stop responding like we did with the 72MHz systems one time.
R921 rx with dual satellites in my H9 33% Edge. It was the first gasser I'd put a 2.4GHz system in and it was a new X9303 radio. I was still real leary of the new radio system and the Flight Logs were not available. I did it with the model in all sorts of orientations and the ranges were basically from 300' to 320' depending on the orientation. I also tried it with the model facing me and pointing the antenna directly at the model, the range only dropped to 280'. Since then, I do the 30 paces with rotating the model routine on all Maiden flights or when I've played with either the radio or electrical system. Then I do Flight Log readings for the first few flights to see if something needs moving and after that, only if I happen to think about do I occasionally dig out the Flight Log after landing. |
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I always range check new installations and after any work on servos, battery, or plugs. My XPS is good for at least 200 feet in range check mode. That's as far as I can walk in my back yard without going into the woods with the briars, ticks, chiggers, and poision Ivy.
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I'm amazed to hear so many of you confessing that you don't do a range test, especially from a country that invented litigation! I know that a range test isn't going to stop accidents from happening but at least I will be able to honestly say "yes, I did everything in my power to ensure this model was safe to fly". I'm not saying you need to range test all the time, but surely at least once when the model is new?
Mike |
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Invented litigation?
US law is based on English law- we just took it to it's illogical conclusion. A little more history-- The rxs used for our old 27/35/72/50/53 etc.,radios wer made up from a pile of components purchased in different tolerance groups - then assembled then tuned and hopefully this bunch of parts did not drift much as it heated or aged or shook. range check was and is important with this technology. Move on to the 2.4 "chip" Nothing to tune and basically a chip with an antenna on it (well some are a bit fancier) These either work -or they get junked -right from the start. later failure from "burn in" is about zero. even later failure from aging - again very very low incidence . so-- properly installed and fed with proper diet of electricity- these little buggers will run for years n years This kind of technology either works -or it quits - the old stuff was fading away from the day it was put into service- just like us -it required check ups n range tests The "range test" for 2.4 should be replaced with a power/load test- Unfortunately many users have no desire to buy anything more than the radio and model ( now usually in the same box )and any technology more involved than a box cutter is unknown. Glad to see others note their experiences with this technology . |
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