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Friday, 22 March 2019 Dereel → Sulky → Dereel Images for 22 March 2019
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Bugs in office
Topic: animals Link here

Into the office this morning and turned on the monitor for eureso. It looked different:


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That's some kind of spider. Huntsman? Maybe, but for a huntsman it was quite small.

 
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It also didn't move for the whole time I observed it, though much later it was gone. And not for the first time I've noted that this kind of photo needs more preparation. I really needed a flash of some kind, but that would have reflected.


Multipurpose developer
Topic: photography, food and drink, opinion Link here

Interesting article in Digital Photo Review today: a beer that you can use to develop film (or should that be a developer that you can drink?). It seems appropriate for some beers I have had: barely drinkable, it's good to know that you can use them for something else.


Arne Koets clinic again
Topic: animals, photography, opinion Link here

Yvonne off today to another (maybe the last) Arne Koets clinic, this time in a place that I had never heard of: Sulky. It seems that there is a certain amount of bad blood amongst the riding community about the arrangements, and that Arne is also not very amused.

Yvonne was on in the afternoon, and her slot was postponed. She wanted me to come and take videos, but somehow I misunderstood and didn't arrive until half way through her lesson. The place isn't much to look at:


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The photography was not very successful. Once again it's one of these horrible arenas with a roof and no sides, meaning that getting any kind of exposure is a matter of luck. And it seems that Arne had said most of what he wanted to say to Yvonne, so I didn't get much of that. And I've gradually come to the conclusion that the Olympus OM-D E-M1 Mark II is no good for videos of horses. For all they hype, the autofocus is useless; I might as well have used a mobile phone. About the most interesting thing was Chris Bahlo with her five-legged stallion and mediaeval saddle:

 
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Wedding anniversary
Topic: general, history, food and drink, opinion Link here

We've been married 34 years! And we were reminded of that by a postcard that we had sent at the time, one of the photos that Bev had brought along earlier this month:

 
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Times have changed since then. How about a good meal the way we did them in those days: fillet steak with garlic butter, followed by hot ice cream with raspberries? Did that and discovered that our tastes have become more refined in the course of the decades (millennia?). Tasted OK, but we can do better now.


Saturday, 23 March 2019 Dereel Images for 23 March 2019
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Understanding solar energy quotes
Topic: Stones Road house, opinion Link here

After my phone call with Tomas Kucera on Tuesday I received two quotes for an installation with Ingeteam inverter. As he said, the price was considerably lower. But what do I get for that? I've found the quotes (each about 12 pages with various graphics, and each in marginally different formats) to be very hard to compare, and he hadn't included the updated quote 423 until I reminded him yesterday.

The quotes are really difficult to understand; I suspect that Tomas doesn't either. They also don't seem to match reality. In particular:

I'm left with the distinct impression that Tomas is having difficulty with his quotation software.

Date       Quotation       Panel       Average       Battery       Battery rating       Battery rating       Exported       Grid       "Solar used"       Inverter       Inverter       Price       Comments
      number       rating (kW)       output (kW)       type       (kWh, gross)       (kWh, net)       (kWh)       input (kWh)                   output       after rebates
8 February 2019             5.7       20.5       Tesla Powerwall 2       13.5       10.8                         Fronius       5.0 kW       18,245.00       Cola Solar
24 February 2019       423       10.8       42.9       LG Chem RESU 10 (2)       19.6       17.64       8       15       89%       Fronius 8.2-1/Selectronic SPMC482-AU       8.2 kW       27,246.30       conflicting inverter specs
24 February 2019       423       10.8       42.9       BYD B-Box Pro 13.8       13.8       12.42       9       17       87%       Selectronic SPMC482-AU       8.2 kW       23,883.60       The one I chose
15 March 2019       423       10.8       42.9       LG Chem RESU 10       9.8       8.82       9       17       87%       Selectronic SPMC482-AU       8.2 kW       27,246.30       Same as first 423, but only one battery!
15 March 2019       487       10.8       42.9       BYD B-Plus L 14                   8       16       87%       Selectronic SPMC482-AU       8.2 kW       28,786.30       Repeat of 423/2, $5000 more expensive; incomplete details
15 March 2019       498       10.8       42.9       BYD B-Plus H 6.4       6.4       6.4       12       22             Ingeteam SUN 1Play-6TL       6 kW       18,562.30       No "solar used"
21 March 2019       510       10.8       42.9       BYD B-Plus H 6.4 (2)       12.8       12.8       8       17       94%       Ingeteam SUN 1Play-6TL       6 kW       24,172.30
23 March 2019       498       10.8       42.9       BYD B-Plus H 6.4       6.4       6.4       12       22       91%       Ingeteam SUN 1Play-6TL       6 kW       18,562.30       Repeat of 15 March
23 March 2019       510       10.8       42.9       BYD B-Plus H 6.4 (2)       12.8       12.8       8       17       94%       Ingeteam SUN 1Play-6TL       6 kW       24,172.30       Repeat of 21 March
23 March 2019       423       10.8       42.9       BYD B-Box Pro 13.8       13.8       13.25       9       17       89%       Selectronic SPMC482-AU       8.2 kW       29,039.30       Same equipment as 24 February, $5,155/22% more expensive
23 March 2019       528       10.8       42.9       BYD B-Plus H 6.4 (3)       19.2       19.2       6       15       95%       Ingeteam SUN 1Play-6TL       6 kW       30,466.00       Missing important battery information

On the other hand, the only comparable quote that I received, from Cola Solar, was much more expensive. Compare it with quote 498 of 15 March: half the power, though nearly 70% more storage; would that ever charge up?

That's clearly not the last word on this issue. I've put the data above into a separate page to be able to update it as I (hopefully) progress. At least writing this down has made things easier for me.


This page contains (roughly) yesterday's and today's entries. I have a horror of reverse chronological documents, so all my diary entries are chronological. This page normally contains the last two days, but if I fall behind it may contain more. You can find older entries in the archive. Note that I often update a diary entry a day or two after I write it.     Do you have a comment about something I have written? This is a diary, not a “blog”, and there is deliberately no provision for directly adding comments. But I welcome feedback and try to reply to all messages I receive. See the diary overview for more details. If you do send me a message relating to something I have written, please indicate whether you'd prefer me not to mention your name. Otherwise I'll assume that it's OK to do so.


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