Not hard to do the sums. I gave an example earlier on. I've likely had more early failures with tungsten than LED. But does depend on the type of bulb. Some tungsten, like candle bulbs, were notorious.
I wonder if TLC have got the lumens correct
A few years ago my Mum was in hospital for several months. My Dad had his washing done by his sister in law for that hospital stay.
I expect that one of them will pass away before the other - but they were brought up in a different age.
My Dad has never used a washing machine and my Mother cannot write an email or do online banking.
When my wife f***ed off one the first things my Mum said was "I suppose I will have to do your washing then" and it came as a shock to her that I could use a washing machine.
ISTR doing an ironing badge at Scouts and so I can use an iron if I want to iron a shirt and not just put edging strip on damaged kitchen units.
If my Mum goes first I have already know a cleaner and someone to do my Dad's washing.
If my Dad goes first I know where he keeps his internet passwords - and that's not morbid - it's something I have discussed with him and he is happy with it.
Cheers
Adam
3230lm (24 Watt)
maybe they've given the 6ft lumens for the 5ft tube?
I thought ledlite was TLC's inhouse brand?, you'd expect them to know ...
So basically your brother spent his time working how many days he had left until he could draw in his pension and throw in as many sick days as possible.
They are the in house brand AFAIK and there's a lot of 4000 mentioned so maybe it's an error between lumens and colour and someone with a keyboard.
But it is hardly rocket science and unless he has severe dementia he should be able to start using one.
Ditto.
We were discussing historical trends 1990 to 2019. I expect that many people are now trying to reduce their energy consumption, but saving a bit on lighting won't go far towards heating.
As soon as you say "downlighter", that's a thermal problem.
The enclosure on the right, is a traditional enclosure which is blocked at the top.
Electrolytic capacitors, their lifespan doubles for each 15C reduction in temperature. (Arrhenius in chem lab is fixed, Arrhenius in electronics is curve fitted, and the parameter is extracted by component type.)
LED bulbs are not "exactly compatible" when you use them. The housing details are important, and certain types of housings such as airtight glass globes (my kitchen), should not have LED lamps placed inside them.
*******And you can engineer better solutions, by placing AC-DC power conversion components in a cool place, and running wires over to the LED substrate in the downlighter.
But this is only an esoteric hobbyist pursuit.
This array is one inch on edge, delivers the light of four 60W bulbs, 36.4V @ 800mA. You could run it off a 350mA buck-puck (so it would run cooler and not poke out your eyeball with the light). The expensive part of the project, is the extruded Al cylindrical finned heatsink. You can glue the substrate to the cylinder with Arctic Alumina glue (permanent glue, thermally conducting).
Obviously, buying regular lighting solutions, is a lot cheaper than all that guff :-) That, apparently, is why we put up with the high failure rates.
Paul
Its a perfectly sensible route to take but one which many don't even think about or even reject the idea of because, like a Will or a Power of Attorney 'Its tempting fate and you'll die soon after'.
I've ongoing discussions with a young lad, who has a Will in place, but refuses to take out a PoA as he's 'fit and well'!
I suppose something that we all need to think about these days is how, or if, the various online communities we are in contact with could, or should, be notified of our demise.
I still find it somewhat chilling to get birthday reminders on Facebook for friends long departed.
Chris
Precisely the time to do it, but predicting the future is "obviously" a better idea. ;-)
Chris
As with setting up a pension scheme for yourself, being young, fit & well is precisely the time to do it.
I haven't done a PoA because I don't trust the only remaining relo.
She frog marched by dad off to a nursing home against his will when he ended up with dementia, even tho she has told all her family that they will be cut out of her will if they do that to her.
Mate of mine who died a couple of years ago's family chose to leave his facebook page that I setup for him, in place.
Another whose facebook page I also setup, who live in a diffferent country town didnt even bother to tell anyone about a funeral or anything.
The local italians who make up about half of the town, do funerals differently. Funerals are by invitation only and it isnt even clear if an italian mate of mine is still alive or not. He did tell me when his dad, another mate of mine had died, and told me about his own operation for cancer but hasnt been heard from since.
I've got TLC LED tubes in this workshop. Twin 5ft and 6ft. Replaced one each first with the old florries in the other. LEDs noticeably brighter. But the florries pretty old basic ones.
When younger, he claimed he never wanted to retire. Then got an offer he couldn't refuse. Coincident with his school closing - and he didn't want to move to the alternative.
But I could be wrong. Could be he simply doesn't want to waste his stock of tungsten. And remembers how awful the original energy saving CFLs were. Especially the freebies we were given.
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