(OK if you have a jailbreaked iPhone you can do that...)This is a good idea. I like the idea of a realistic display of capacity remaining, but I also want to know the voltage. So it needs to display both numbers, either simultaneously or alternating.jhsa wrote:another option. maybe it could aternate (couple of seconds one and then the other) between voltage and percentage.. but all this would have to be selectable..
João
In your suggestion you're talking about battery capacity (in mAh) not battery voltage (in V) is that right ?GyroGearloose wrote:I've suggested elsewhere, but this could be easily scaled automatically from the existing %THR timer. Assuming you have that timer set correctly, then % time == % battery roughly. So, just show what percentage of the timer has elapsed, and you'll have a pretty good estimate of batter life remaining.
-Gyro
Not precisely... I'm applying the same concept as was used for the THR% timer -- the concept that, approximately at least, the integral of throttle position and time equates to some roughly equal value. For the THR% time display, it's calculated as a timer that runs faster or slower based on the throttle position, and lets the user set how much "variable speed time" to give a certain model and battery pack. So, assuming I can run my heli at 50% throttle for 10 minutes, we can guestimate that I'd only get 5 minutes at full throttle. We set the timer for 5 minutes (at full throttle) and it slows down proportionally if I'm less than 100% throttle. This works pretty well, but VARIABLE TIME isn't a very logical or direct measure. That said, the mechanism is ALMOST to being what I'd prefer to see as a unitless percentage capacity. I don't need to know I have 1249mah remaining, I need to know it's about 55% "fuel"... which we'd arrive at by the current "time" divided by the user-set time. In my example of 5 minutes, we know that 3 variable-minutes remaining out of 5 v-mins (regardless of mah or volts or anything else) is 60% battery capacity. Make sense?capitaineflam25 wrote: In your suggestion you're talking about battery capacity (in mAh) not battery voltage (in V) is that right ?
Actually, I don't WANT a MAH reading... that's too much thought. Rather than "1254mah out of 2200mah", I'm thinking a big summarized "63% TxBat" or simple battery icon/bar display. I don't have telemetry, but I'd imagine side by side Tx and Rx voltage bargraphs would be intuitive enough for your purpose -- the Tx is a big calculator, so don't make us do the math!capitaineflam25 wrote: Battery capacity is an interresting indicator if you know exactly what is its value before flying and if you precisely know how much your aircraft is draining.
Dennis: It is absolutely possible, and in fact already done on the ER9X and Open9X codebases... The issue appears to be how fast new features get put into Companion9X in order to be selectable in the build process, as well as my own limited development time to make it runtime-selectable instead of "dirtier" compile options.Dennis1979 wrote:But is this already possible? I really would like this feature, because I'm not good at calculating "on the fly"
Would be interesting to know the static current..MikeB wrote:Just flying around between manoeuvres it was 6-8 Amps (at around 11.6V), full throttle went up to 19 Amps (at around 11.2V).
I'll need to check what the static current draw is on the ground at full throttle.
