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Sep 20, 2012, 12:58 PM
Registered User
If the radio is accidentally left on and run down completely, Wouldn't the Lipo battery be compromised as compared with a Lithium iron phosphate?
Last edited by PT Glider; Sep 20, 2012 at 01:07 PM.
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Sep 20, 2012, 01:04 PM
2 seconds from crashing
indoorheli's Avatar
Well I just received my new tx! Must say it sure feels nice in the hands...now to start programing
Sep 20, 2012, 01:07 PM
AndyKunz's Avatar
Quote:
Originally Posted by PT Glider
If the radio is accidentally left on and run down completely, Wouldn't the Lipo battery be compromised as compared with a LiFi?
The battery protection circuit opens at 6V, preventing damage. The low voltage alarm goes off at 6.3V.

Andy
Sep 20, 2012, 11:33 PM
Bona Fide Cub Nut
CurtissP40's Avatar
Quote:
Originally Posted by AndyKunz
The battery protection circuit opens at 6V, preventing damage. The low voltage alarm goes off at 6.3V.
Andy
. . . and when the inactivity alarm goes off - - after I peel myself off the ceiling, I turn it off.
Sep 21, 2012, 07:26 AM
Chester UK
dodlestonian's Avatar
IMHO the inactivity alarm is one of Spektrum's best features.
:-)
Sep 21, 2012, 07:26 AM
What goes around comes around.
squigg's Avatar
Quick question, does the dx18 display the flight battery voltage on screen during flight, & has it an alarm for low voltage, like the Aurora9 does,? im thinking of upgrading but i dont think i could live without that.
Sep 21, 2012, 07:36 AM
No bounce, No play.
davidmc36's Avatar
Quote:
Originally Posted by squigg
Quick question, does the dx18 display the flight battery voltage on screen during flight, & has it an alarm for low voltage, like the Aurora9 does,? im thinking of upgrading but i dont think i could live without that.
Yes it does both of those things.
Sep 21, 2012, 08:19 AM
Surface, Air & Water Rc Toys..
freechip's Avatar
Quote:
Originally Posted by squigg
Quick question, does the dx18 display the flight battery voltage on screen during flight, & has it an alarm for low voltage, like the Aurora9 does,? im thinking of upgrading but i dont think i could live without that.
RX voltage is done automatically when you connect the TM unit to a receiver, Flight voltage is done with the need to connect the flight voltage wire to the TM unit and flight power source. This high voltage sensor comes stock with the telemetry module.

You can view telemetry info by scrolling to the many telemetry screens or you can set the main telemetry screen to AUTO with throttle.

I like this feature, when I throttle up the main screen goes to telemetry. You can also set for HIGH & LOW Alarms.
Sep 21, 2012, 08:28 AM
What goes around comes around.
squigg's Avatar
Thanks ..Sounds good, any range tests done yet?,?
sorry if im going over something thats been mentioned before, i just couldnt face reading through 200 odd pages...lol.
Sep 21, 2012, 08:55 AM
Surface, Air & Water Rc Toys..
freechip's Avatar
Always range test new models when setting up to find the best possible location for the RX.

Once it's done I don't usually do range test for each flight unless I am at a local club flying as a guest or something along those lines.

As for full flight range test. I just know my DX6i when I tested was WAY beyond my eye sight so I don't worry about that since I don't FPV or anything like that.
Sep 21, 2012, 09:04 AM
No bounce, No play.
davidmc36's Avatar
Quote:
Originally Posted by squigg
Thanks ..Sounds good, any range tests done yet?,?
sorry if im going over something thats been mentioned before, i just couldnt face reading through 200 odd pages...lol.
I regularly get fades in the teens or single digits for the whole flight with zero frames losses or holds flying well beyond the cleared area of our field.

https://www.google.ca/mapmaker?ll=45...&lyt=large_map
Sep 21, 2012, 09:16 AM
Surface, Air & Water Rc Toys..
freechip's Avatar
Yep same here.
Sep 21, 2012, 10:21 AM
Сделайте Америку Великой Снова
7oneWo1f's Avatar
I picked up a 40 g x2 axes + 8 g x1 axis sensor.

1. Only one axis shows min and max. Anybody know how I can fix this?
2. I am putting it into an extreme flight plane, i.e., very high g. Is the z axis only +/- 8g? I think I will saturate it then.
Sep 21, 2012, 10:37 AM
AndyKunz's Avatar
1) You can't.
2) The one axis is limited to 8g because of the design of the MEMS chip. It's not something we can control. We put it on the axis you will least likely experience high g's (side-slip).

You could always re-orient the device to give the sensitivity where you want it.

Andy
Sep 21, 2012, 01:20 PM
Registered User
sirzeppu's Avatar
Quote:
Originally Posted by dodlestonian
IMHO the inactivity alarm is one of Spektrum's best features.
:-)
Agreed


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