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--- resilients:control_of_the_commons [2012-03-14 19:03] – [Working Notes for three Journeys] timbo
+++ resilients:control_of_the_commons [2012-03-30 11:35] – timbo
@@ Line 21: / Line 21: @@
 From people travelling on various European rivers, upstream as well as downstream, we have travel distances around 40 km per day. This seems too high.
+We experienced speeds from 0kmh, mostly around 1-1.5kmh and maximally 4kmh just from the current.
@@ Line 41: / Line 43: @@
 Sail will be a junk rig, oars will be used and possibly a Yuloh. A tentative plan for pedal power exists - details at the beginning of January.
+=== Solar ===
+We used solar panels on the river to cover our (small) power requirements.
+We used a small solar panel, 25 x 35 cm (wattage unknown!) to recharge our batteries: phones, GoPro camera, SLR, AA batteries, etc. We found that the Inca charger (will find link) worked really well and enabled us to charge all these things easily.
+We also used small rechargeable lights / USB chargers (link to follow) which were great in the evening as the light ws diffuse and they could also be used to "shock-charge" a USB powered device to bring it back to life.
+Foe the Danube we have been looking at a larger solar system. We need to have a working anchor light each night. So battery capacity of around 10 hours with 10-20 watts (0.8-1.6 Ampere), i.e. 8 - 16 Ah.
+Offer of Lithium-Ion batteries, 9 Ah capacity, looks good, but there are few solar charging modules available on the market. The only one seems to be:
+[[http://www.maurelma.ch/shop/index.php?cat=WG185&product=750087&sid3F88C60A238949AAA21F3C2BAAA683EF=3ba81c50b8a9a1fab191239220ecaefb | here]].
+charging systems for lead acid batteries are more easily found, even from [[http://www.conrad.at/ce/de/overview/0509051/Solar-Laderegler | Conrad]], prices around 15-50 Euros.
 === Fringe parade: ===