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Impact on model battery life ?
- ethernode
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13 Sep 2015 16:08 - 13 Sep 2015 17:41 #37719
by ethernode
Impact on model battery life ? was created by ethernode
Hello,
I used to use Horizon Hobby's stock transmitter ( MLP4DSM -- reportedly 10 mw) with an Inductrix ; i used to have 5-6 minutes flight times consistently; i then got a Devo 7E to use with Deviation, and created a ini based off Daryoon's Nano QX model10.ini (indoor ini) config. Using this radio, i now have a little 2:30 minutes of flight times (consistently).
How could anything in the config file have an impact on flight times ? tx_power ?
I used to use Horizon Hobby's stock transmitter ( MLP4DSM -- reportedly 10 mw) with an Inductrix ; i used to have 5-6 minutes flight times consistently; i then got a Devo 7E to use with Deviation, and created a ini based off Daryoon's Nano QX model10.ini (indoor ini) config. Using this radio, i now have a little 2:30 minutes of flight times (consistently).
How could anything in the config file have an impact on flight times ? tx_power ?
name=Inductrix indoor
mixermode=Advanced
icon=INDUCT.BMP
[radio]
protocol=DSMX
num_channels=6
tx_power=150mW
[protocol_opts]
Telemetry=On
[channel1]
template=complex
[mixer]
src=THR
dest=Ch1
usetrim=0
curvetype=5point
points=-100,-60,0,60,100
[channel2]
template=expo_dr
[mixer]
src=AIL
dest=Ch2
scalar=60
curvetype=expo
points=-20,-20
[mixer]
src=AIL
dest=Ch2
switch=FMODE1
curvetype=expo
points=0,0
[channel3]
template=expo_dr
[mixer]
src=ELE
dest=Ch3
scalar=60
curvetype=expo
points=-20,-20
[mixer]
src=ELE
dest=Ch3
switch=FMODE1
curvetype=expo
points=0,0
[channel4]
template=expo_dr
[mixer]
src=RUD
dest=Ch4
curvetype=expo
points=-15,-15
[mixer]
src=RUD
dest=Ch4
switch=FMODE1
curvetype=expo
points=-15,-15
[channel6]
speed=47
template=complex
[mixer]
src=Virt1
dest=Ch6
curvetype=min/max
points=0
[mixer]
src=Virt2
dest=Ch6
usetrim=0
curvetype=min/max
points=0
[virtchan1]
template=simple
[mixer]
src=HOLD1
dest=Virt1
curvetype=min/max
points=0
[virtchan2]
template=simple
[mixer]
src=HOLD1
dest=Virt2
curvetype=min/max
points=0
[trim1]
src=LEFT_V
pos=TRIMLV+
neg=TRIMLV-
[trim2]
src=RIGHT_V
pos=TRIMRV+
neg=TRIMRV-
[trim3]
src=LEFT_H
pos=TRIMLH+
neg=TRIMLH-
[trim4]
src=RIGHT_H
pos=TRIMRH+
neg=TRIMRH-
[swash]
type=140
[timer1]
type=countdown
src=THR
time=300
[timer2]
src=THR
[timer3]
type=permanent
src=THR
val=15005
[timer4]
src=THR
[safety]
Ch1=min
[gui-128x64]
V-trim=59,10,1
H-trim=5,59,3
V-trim=65,10,2
H-trim=74,59,4
Small-box=2,22,Ch3
Small-box=2,31,Timer1
Small-box=2,39,Timer3
Model=75,20
Battery=102,1
Toggle=4,10,0,3,0,None
Toggle=13,10,0,5,0,None
Toggle=22,10,0,4,0,None
Toggle=31,10,0,0,0,None
Toggle=40,10,0,0,0,None
TxPower=102,7
quickpage1=Channel monitor
Last edit: 13 Sep 2015 17:41 by ethernode.
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- RoGuE_StreaK
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14 Sep 2015 00:45 #37740
by RoGuE_StreaK
Replied by RoGuE_StreaK on topic Impact on model battery life ?
If you go back to the stock TX do you get your old flight times back?
For one thing, telemetry may make an impact; does it actually have telemetry, and if so was it used on the stock TX?
For one thing, telemetry may make an impact; does it actually have telemetry, and if so was it used on the stock TX?
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- ethernode
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14 Sep 2015 10:31 #37751
by ethernode
Replied by ethernode on topic Impact on model battery life ?
Yes, i just tested that. I will confirm with more test flights but i was getting 2:30 most cases, and i just had 4 minutes right now with the stock TX.
The stock tx may or may not use telemetry internally, there's no way to know (no display).
Is telemetry an "active" task (i.e. remote sends requests, model processes and sends responses back) or is that something supposed to be alway-on by the model, and remote just decodes it ?
I will try to disable telemetry and test again tonight.
The stock tx may or may not use telemetry internally, there's no way to know (no display).
Is telemetry an "active" task (i.e. remote sends requests, model processes and sends responses back) or is that something supposed to be alway-on by the model, and remote just decodes it ?
I will try to disable telemetry and test again tonight.
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- mwm
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14 Sep 2015 13:37 #37759
by mwm
Do not ask me questions via PM. Ask in the forums, where I'll answer if I can.
My remotely piloted vehicle ("drone") is a yacht.
Replied by mwm on topic Impact on model battery life ?
That reduction in flight time matches what I see on both the Walkera Mini CP and the Estes Proto X if I turn on telemetry. Before you turn off telemetry, you might check the telemetry monitor page to see if anything is showing up.
Do not ask me questions via PM. Ask in the forums, where I'll answer if I can.
My remotely piloted vehicle ("drone") is a yacht.
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- ethernode
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14 Sep 2015 13:46 #37760
by ethernode
Replied by ethernode on topic Impact on model battery life ?
Wow, telemetry eats up so much juice ? I would have thought motors were the main culprit !
The data i see on the telemetry pages is bogus (negative temperature, strange rpm numbers) i didn't find anything useful at first sight; note that i based this ini off daryoon's template, and he enabled telemetry... Would that be debug only (e.g. see lost frames stats for instance) ?
I'll try tonight, thanks for the suggestion
The data i see on the telemetry pages is bogus (negative temperature, strange rpm numbers) i didn't find anything useful at first sight; note that i based this ini off daryoon's template, and he enabled telemetry... Would that be debug only (e.g. see lost frames stats for instance) ?
I'll try tonight, thanks for the suggestion
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- mwm
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15 Sep 2015 00:15 #37769
by mwm
Do not ask me questions via PM. Ask in the forums, where I'll answer if I can.
My remotely piloted vehicle ("drone") is a yacht.
Replied by mwm on topic Impact on model battery life ?
Without motors, your run time goes from minutes to hours. At least that's what I'm seeing on my yachts.
Blade had used telemetry for "other" things before, so they may be doing that here. But that you're getting anything means it's connecting and transmitting.
Blade had used telemetry for "other" things before, so they may be doing that here. But that you're getting anything means it's connecting and transmitting.
Do not ask me questions via PM. Ask in the forums, where I'll answer if I can.
My remotely piloted vehicle ("drone") is a yacht.
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- ethernode
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15 Sep 2015 10:24 - 15 Sep 2015 20:35 #37778
by ethernode
Replied by ethernode on topic Impact on model battery life ?
I just tested, and yes, disabling telemetry seems to make much longer battery life ! Not enough tests to verify that it compares 1:1 with the stock transmitter, but that helps a lot, i can tell. I'll report if i have other findings.
[EDIT] more tests infirm what i initially thought; running more tests, to see if agility mode may have an impact. Will do the same with the stock remote. However, i am unsure how to test in comparable conditions (flight agressiveness), currently trying "quiet" flights and getting only 3 minutes instead of 5
I'll report when i have more data
[EDIT] more tests infirm what i initially thought; running more tests, to see if agility mode may have an impact. Will do the same with the stock remote. However, i am unsure how to test in comparable conditions (flight agressiveness), currently trying "quiet" flights and getting only 3 minutes instead of 5
I'll report when i have more data
Last edit: 15 Sep 2015 20:35 by ethernode.
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- ethernode
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21 Sep 2015 15:14 #37926
by ethernode
Replied by ethernode on topic Impact on model battery life ?
Hello again,
I did more tests, nothing very conclusive. I used fresh batteries and things are much better, i still have to find a way to compare for real between the stock and deviation remotes. Sorry for the noise.
I did more tests, nothing very conclusive. I used fresh batteries and things are much better, i still have to find a way to compare for real between the stock and deviation remotes. Sorry for the noise.
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