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gabriel

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gabriel last won the day on December 15 2017

gabriel had the most liked content!

About gabriel

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  • Birthday 17/07/1953

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    vredenburg
  1. Water harvesting and use, same logic as solar systems.

    another piece of unheeded now 20/20
  2. Water harvesting and use, same logic as solar systems.

    even the schmutzdecke can have it's drawbacks...
  3. Water harvesting and use, same logic as solar systems.

    J jip, and his motorcade is retrofitted with tatas...
  4. Water harvesting and use, same logic as solar systems.

    apart from the rain in cape town two days ago, here is some more good news - sorry for being off topic https://www.thesouthafrican.com/zuma-reaction-ramaphosa-anc-president/
  5. Water harvesting and use, same logic as solar systems.

    in order to get the stored 10kl of rain water potable add 500ml of household bleach which on average contains 3,5%mv sodium hypochloride. there might be a slight resultant odour and taste but that will vanish in a couple of days, do this every month [250ml bleach to 5kl water]. apart from that install a smallish [500mmx500mm] pv and feed electricity to a piece of copper and one piece of silver [ouma's never used sterling spoon tucked away somewhere at last found its mission on earth] inside the water about 100mm apart, about 500mm from the bottom. ionization will take place with copper and silver ions [positive] killing of bacteria, viruses [take note not virii!] and slime/algea. i have been using rainwater like this from a tank for about seven years and i regularly forget the bleach, in other words the ionization does the job, and the water is still clear and good tasting. and take note, i have never cleaned the tank! so you will survive. give it a try, its the cheapest and most effective way - and the little bit of bird poo from the roof adds extra minerals [after the sun has sterilized it]. the WHO states that for potable water sanitation: the free residual chlorine concentration must be at least 0.5 mg/litre so take a swimming pool chloride test unit to make sure this is the case if you really want to be on the safe side http://www.who.int/water_sanitation_health/water-quality/guidelines/drinking-water-guidelines-publications/en/
  6. Water harvesting and use, same logic as solar systems.

    yesterdays light relief in ctown
  7. ok ok, issue settled. what we have here is a certainty - using a 12v transformer for the fans vs an uncertainty. the 1st costing around zar200 and the second anything up to zar20k. so its a no-brainer really have a great week guys! God bless g
  8. well i was referring to the fans you get in pcs, i've got two sucking warm air out of my axpert dropping the mean temp by 10 degrees. i see one of these carry the following specs Voltage: 12VDC Operating Voltage: 10.8 - 13.2VDC Started Voltage: 7VDC Rated Current: 0.07±10%A Power Input: 0.84W FAN Speed: 1300±10% RPM MAX.Air Flow: 44.71CFM which indicates i can, as @plonkster suggests, stick more fans on the unit if i run them from the batteries
  9. i wonder if, after having installed the battery balancer, you could reconnect the fans to the battery again - i know it's a theoretical question as you now have a power supply, was just wondering if the balancer would be able to sort out a situation like this
  10. Water harvesting and use, same logic as solar systems.

    and now for a nostalgic one from 17 july 2014 in our backyard...
  11. Water harvesting and use, same logic as solar systems.

    is hondehok nie een woord nie?
  12. Water harvesting and use, same logic as solar systems.

    "... once-in-400-year event ..." so lets blame it on jan van riebeeck
  13. Water harvesting and use, same logic as solar systems.

    Only when elected officials trade their shameless entitlement to rule for the humility of duty can they expect compliance and cooperation from citizens.A breakdown in the trust relationship between the government and citizens means people will refuse to be governed. That is anarchy. Countrywide, it will make Cape Town's Day Zero literally look like a picnic. and then, to all those asking 'what's in a name?', this piece of trivia " His [JZ] full name is Jacob Gedleyihlekisa Zuma. The name Gedleyihlekisa means the one who laughs while grinding his enemies" we were forewarned, for we, the people are indeed his enemies!
  14. Water harvesting and use, same logic as solar systems.

    about three centuries ago, prior to the so called 'enlightment', there was a modicum of order in the western world. the famous calov bible of johan sebastian bach, the greatest composer of all time in my mind, was dated '5681 years after the creation of the earth' - that's it, schluss, basta, aus. the most prestigious of all universities, like harvard, was founded by a trained minister [all other universities in those days were also created by the church!]. in fact the church heralded the scientific 'explosion'. the original harvard seal, “Veritas Christo et Ecclesiae” which translated from latin means “Truth for Christ and the Church” was adopted in 1692 - true to the inherent cheek of man when left to his own devices, the seal has since been changed to just, 'veritas', [with retrospective effect!] now it is pc, at present "Harvard’s combined number of atheists and agnostics among its incoming class exceeds the number of Catholics and Protestants" - 'oh, but that's not an indicator of anything', you might say, until you listen to the atheist exponent par excellence, oxford professor richard dawkins stating "that if you do believe in God... it is probably because you are deluded, weak-minded, uneducated, and quite possibly perverse." [the god delusion] so gentlemen, there you have it, the majority of us are looked upon as "deluded, weak-minded, uneducated, and quite possibly perverse" not only for believing in God, but actually also applying our minds to problems at hand. God bless g
  15. Water harvesting and use, same logic as solar systems.

    i'm sure you and david will make a gruesome twosome
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