Tom, are you deactivating maps you aren't expecting to use on your trips? I
don't know for sure if it would make a difference in speed (I have only room
for two maps installed, the world map and a local map, so I can't test this).
Under Download Maps, on the Local tab, tap the menu icon (three
The hub dynamo recharges the phone. On flat, fast roads I can keep the
phone topped up to 100% most of the time and then, at 100%, most of the
power generated by the dynamo goes to the lights depending on which
position the three way switch is in. I have a Garmin device but I prefer
using the
The only thing I can suggest is run the phone from its battery. If you
need to charge up a power pack or battery from the dynamo then recharge the
phone from that. For a lithium battery try to keep it charged more than
70%. Running it until its is fully discharged reduces the number of times
Hi John,
I suspected that might be the case. Osmand seems fairly sluggish when it
starts to load the map data. I do have a lot of maps installed of various
regions. I never use the data maps only offline maps. Is there anything you
can suggest that I disable that would make Osmand run
On a conventional PC that has an under sized power supply it will run quite
happily until the power required is greater than can be powered by the
power supply.
On a PC you can put a meter on the cord going to the wall then run
different software on the PC. Some will use noticably more power
Using a power pack is one solution yes. I have a three way switch which
switches between dyno lights only, both dyno lights and regulated power
output or just regulated power output only. The regulated output could go
into a pass through battery which would in effect act as a UPS. However the
The problem is you need to isolate the phone so charging the power pack up
then disconnecting it from the dynamo would work fine but having the phone
connections and the dynamo connections connected would mean fluctuations
still reach the phone.
It would however diminish brownouts but the phone's
Idea for a workaround:
Could it help, using a power pack between bike dynamo and phone ?
It should offer input and output at the same time.
This should buffer any peaks which could come from dynamo.
It is not expensive and if would help...
Regards Peter
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>What does it actually crash with (this StackOverflow entry might be useful
- https://stackoverflow.com/questions/3643395/how-to-get-android-crash-logs
)? Does it crash when you just plug in or unplug a regular phone charger?
If not, then something must be different - and perhaps broken - about
On 13/08/2017 16:04, Tom wrote:
When I don't ride at enough speed to generate power to the phone the
power disconnects and Osmand crashes. This will also happen when the
power then reconnects too.
What does it actually crash with (this StackOverflow entry might be
useful -
Electronic equipment likes a very smooth power supply. Computers last
longer when they are behind a UPS.
Fifty years ago we used an electric motor / generator set that smoothed out
the variations in mains power supplies.
A mil spec phone might be able to withstand charging from a bicycle dynamo
I charge my phone from my bicycle dynamo. I use a regulator which supplies
the correct power output at DC to the phone.
When I don't ride at enough speed to generate power to the phone the power
disconnects and Osmand crashes. This will also happen when the power then
reconnects too. I have
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