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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Incandescent versus fluorescent candle bulbs
Tesco online groceries only have ONE type of candle bulb with standard
bayonet cap and that is a 7W fluorescent type for £3.60. Three pounds and sixty pence for ONE friggin' bulb! But on Amazon I can find loads of the "old-fashioned" element 60W bulbs at a fraction of the price, e.g. Sylvania pack of 10 for £4.99 (or 20 for £7.99). Given that I have just replaced one "old-fashioned" bulb for the first time in 9 years, £3.60 seems an excessive amount to pay when I could fit the old style for around 50 pence for another 9 years. These are the wall lights in the front room and are not switched on much. How come the "modern" fluorescent bulbs are so expensive? Or is it just the supermarkets finding yet another way of ripping us off? MM |
#2
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Incandescent versus fluorescent candle bulbs
MM wrote:
Tesco online groceries only have ONE type of candle bulb with standard bayonet cap and that is a 7W fluorescent type for £3.60. Three pounds and sixty pence for ONE friggin' bulb! But on Amazon I can find loads of the "old-fashioned" element 60W bulbs at a fraction of the price, e.g. Sylvania pack of 10 for £4.99 (or 20 for £7.99). Given that I have just replaced one "old-fashioned" bulb for the first time in 9 years, £3.60 seems an excessive amount to pay when I could fit the old style for around 50 pence for another 9 years. These are the wall lights in the front room and are not switched on much. How come the "modern" fluorescent bulbs are so expensive? Or is it just the supermarkets finding yet another way of ripping us off? MM Given their relative complexity, a better question would be "How come CFLs have been so cheap up till now?". Tim |
#3
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Incandescent versus fluorescent candle bulbs
On 05/04/2013 06:41, MM wrote:
Tesco online groceries only have ONE type of candle bulb with standard bayonet cap and that is a 7W fluorescent type for £3.60. Three pounds and sixty pence for ONE friggin' bulb! Have look elsewhere and you can probably do better buying in packs of 10, but now is a very bad time to invest in CFL candle bulbs. They are intrinsically difficult to make and LED ones that are *much* nicer are only just around the corner. You can always buy remaindered CFLs cheaply after the LED units become more widely available. Afraid the LED ones will be a fair bit more than £3.6 though - more like £9. I was recently caught out by a 10W LED nominal 60W lamp I substituted for a nominal 60W CFL on my parents stairs where the slow start was a hazard. It was *too bright* I had to get a 40W LED equivalent instead! But on Amazon I can find loads of the "old-fashioned" element 60W bulbs at a fraction of the price, e.g. Sylvania pack of 10 for £4.99 (or 20 for £7.99). Given that I have just replaced one "old-fashioned" bulb for the first time in 9 years, £3.60 seems an excessive amount to pay when I could fit the old style for around 50 pence for another 9 years. These are the wall lights in the front room and are not switched on much. You have to factor in the lifetime electricity consumption before the pricing makes any sense. Most people are unable to do that which is why new printers are dirt cheap and the ink costs more than pure heroin. How come the "modern" fluorescent bulbs are so expensive? Or is it just the supermarkets finding yet another way of ripping us off? MM Given their complexity tricky glasswork and the difficulty getting the control circuitry into the space it is astonishing they can be made at all for the price. The one saving grace is that as candles they tend to have enough free air movement around them not to cook the electronics. CFLs hanging down or inside glass globes tend to have a short life. -- Regards, Martin Brown |
#4
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Incandescent versus fluorescent candle bulbs
En el artículo 1399915358386835829.996310timdownie2003-nospampleaseyaho
, Tim+ timdownie2003@nospampleaseyah oo.co.uk escribió: Given their relative complexity, a better question would be "How come CFLs have been so cheap up till now?". They were very heavily subsidised for a time by the energy companies who were misguidedly given taxpayer funds by guvmint to promote 'green energy'. I stocked up when Tesco were selling 'em for 10p each. Still hate the bloody things though. -- (\_/) (='.'=) (")_(") |
#5
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Incandescent versus fluorescent candle bulbs
On 05/04/2013 08:16, Mike Tomlinson wrote:
En el artículo 1399915358386835829.996310timdownie2003-nospampleaseyaho , Tim+ timdownie2003@nospampleaseyah oo.co.uk escribió: Given their relative complexity, a better question would be "How come CFLs have been so cheap up till now?". They were very heavily subsidised for a time by the energy companies who were misguidedly given taxpayer funds by guvmint to promote 'green energy'. I stocked up when Tesco were selling 'em for 10p each. Still hate the bloody things though. Were they given government funds? I thought the cost was just added to everyone elses bills. |
#6
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Incandescent versus fluorescent candle bulbs
I've always thought that bulbs pretending to be candles was a bit odd as a
concept. If you want candles then surely in this age we could come up with a safe device that actually looked like a real candle. The one issue with hyour senario is that you have to factor in the less efficiency of the filament bulbs into the costs, but as you are not replacing all of them I'd definitely suggest the filament idea is the best. Then when you replace the lights themselves in several years you can make a decision depending on the technology of the day. Brian -- From the Sofa of Brian Gaff Reply address is active "MM" wrote in message news Tesco online groceries only have ONE type of candle bulb with standard bayonet cap and that is a 7W fluorescent type for £3.60. Three pounds and sixty pence for ONE friggin' bulb! But on Amazon I can find loads of the "old-fashioned" element 60W bulbs at a fraction of the price, e.g. Sylvania pack of 10 for £4.99 (or 20 for £7.99). Given that I have just replaced one "old-fashioned" bulb for the first time in 9 years, £3.60 seems an excessive amount to pay when I could fit the old style for around 50 pence for another 9 years. These are the wall lights in the front room and are not switched on much. How come the "modern" fluorescent bulbs are so expensive? Or is it just the supermarkets finding yet another way of ripping us off? MM |
#7
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Incandescent versus fluorescent candle bulbs
In article , Andrew May
writes Were they given government funds? I thought the cost was just added to everyone elses bills. Probably. I wasn't paying much attention at the time. -- (\_/) (='.'=) (")_(") |
#8
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Incandescent versus fluorescent candle bulbs
On Fri, 5 Apr 2013 07:25:18 +0100, Tim+
wrote: MM wrote: Tesco online groceries only have ONE type of candle bulb with standard bayonet cap and that is a 7W fluorescent type for £3.60. Three pounds and sixty pence for ONE friggin' bulb! But on Amazon I can find loads of the "old-fashioned" element 60W bulbs at a fraction of the price, e.g. Sylvania pack of 10 for £4.99 (or 20 for £7.99). Given that I have just replaced one "old-fashioned" bulb for the first time in 9 years, £3.60 seems an excessive amount to pay when I could fit the old style for around 50 pence for another 9 years. These are the wall lights in the front room and are not switched on much. How come the "modern" fluorescent bulbs are so expensive? Or is it just the supermarkets finding yet another way of ripping us off? MM Given their relative complexity, a better question would be "How come CFLs have been so cheap up till now?". I don't call a jump from 50p to £3.60 cheap! MM |
#9
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Incandescent versus fluorescent candle bulbs
On Fri, 5 Apr 2013 09:27:07 +0100, "Brian Gaff"
wrote: I've always thought that bulbs pretending to be candles was a bit odd as a concept. If you want candles then surely in this age we could come up with a safe device that actually looked like a real candle. The one issue with hyour senario is that you have to factor in the less efficiency of the filament bulbs into the costs, but as you are not replacing all of them I'd definitely suggest the filament idea is the best. Then when you replace the lights themselves in several years you can make a decision depending on the technology of the day. Exactly. And I may well be moving before the new filament bulb has even done 4 years. Even if it packs up after 2 years, at 50p a pop when buying a multipack from Amazon is as cheap as chips. MM |
#10
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Incandescent versus fluorescent candle bulbs
On Friday, April 5, 2013 10:26:38 AM UTC+1, MM wrote:
On Fri, 5 Apr 2013 09:27:07 +0100, "Brian Gaff" wrote: The one issue with hyour senario is that you have to factor in the less efficiency of the filament bulbs into the costs, but as you are not replacing all of them I'd definitely suggest the filament idea is the best. Then when you replace the lights themselves in several years you can make a decision depending on the technology of the day. Exactly. And I may well be moving before the new filament bulb has even done 4 years. Even if it packs up after 2 years, at 50p a pop when buying a multipack from Amazon is as cheap as chips. MM Make that 50p plus all the electricity, which comes in at many times 50p. On economic grounds alone, CFLs are a no brainer. NT |
#11
Posted to uk.d-i-y
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Incandescent versus fluorescent candle bulbs
On 05/04/2013 06:41, MM wrote:
Tesco online groceries only have ONE type of candle bulb with standard bayonet cap and that is a 7W fluorescent type for £3.60. Three pounds and sixty pence for ONE friggin' bulb! Probably the Megaman ultra compact candle bulbs... they used to be £6 each or thereabouts. IME they are "ok ish". they look ok, the light colour is not too bad when looking directly at the bulb, but the spectrum is still gappy, so unless you have at least one incandescent in there as well the colour rendition is poor. Light output is a bit feeble though at 1/2 to 1/3 of that of a real bulb (based on measurements I did with a lux meter). The ones I had lasted about the same as 4 or five regular bulbs. How come the "modern" fluorescent bulbs are so expensive? Or is it just the supermarkets finding yet another way of ripping us off? They have gone back to their real price as the subsidies are removed. If you ignore the actual light output problem, then in real terms they are not that expensive, since a 40W filament lamp will use say £5 worth of juice in its 1000h life compared to say a quids worth for the CFL. -- Cheers, John. /================================================== ===============\ | Internode Ltd - http://www.internode.co.uk | |-----------------------------------------------------------------| | John Rumm - john(at)internode(dot)co(dot)uk | \================================================= ================/ |
#12
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Incandescent versus fluorescent candle bulbs
MM wrote:
On Fri, 5 Apr 2013 07:25:18 +0100, Tim+ wrote: MM wrote: Tesco online groceries only have ONE type of candle bulb with standard bayonet cap and that is a 7W fluorescent type for £3.60. Three pounds and sixty pence for ONE friggin' bulb! But on Amazon I can find loads of the "old-fashioned" element 60W bulbs at a fraction of the price, e.g. Sylvania pack of 10 for £4.99 (or 20 for £7.99). Given that I have just replaced one "old-fashioned" bulb for the first time in 9 years, £3.60 seems an excessive amount to pay when I could fit the old style for around 50 pence for another 9 years. These are the wall lights in the front room and are not switched on much. How come the "modern" fluorescent bulbs are so expensive? Or is it just the supermarkets finding yet another way of ripping us off? MM Given their relative complexity, a better question would be "How come CFLs have been so cheap up till now?". I don't call a jump from 50p to £3.60 cheap! MM That's why I said "up till now"! Tim |
#13
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Incandescent versus fluorescent candle bulbs
Martin Brown wrote:
I was recently caught out by a 10W LED nominal 60W lamp I substituted for a nominal 60W CFL on my parents stairs where the slow start was a hazard. It was *too bright* I had to get a 40W LED equivalent instead! Was it that the illuminated area was deemed too bright, or the actual lamp? Out of curiosity, what lamp was it? Chris -- Chris J Dixon Nottingham UK Plant amazing Acers. |
#14
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Incandescent versus fluorescent candle bulbs
On 05/04/2013 15:45, Chris J Dixon wrote:
Martin Brown wrote: I was recently caught out by a 10W LED nominal 60W lamp I substituted for a nominal 60W CFL on my parents stairs where the slow start was a hazard. It was *too bright* I had to get a 40W LED equivalent instead! Was it that the illuminated area was deemed too bright, or the actual lamp? Out of curiosity, what lamp was it? Lighting Ever 10W LED 810Lumen the new one is 830Lumen. Samsung chipset. http://www.amazon.co.uk/Lighting-EVE..._ee_p_t_2_A39D It was too bright compared to an aging CFL they had got used to which IMO was unsafely dim for at least 5 minutes after switching it on. -- Regards, Martin Brown |
#15
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Incandescent versus fluorescent candle bulbs
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#16
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Incandescent versus fluorescent candle bulbs
On Fri, 05 Apr 2013 16:07:09 +0100, Martin Brown wrote:
On 05/04/2013 15:45, Chris J Dixon wrote: Martin Brown wrote: I was recently caught out by a 10W LED nominal 60W lamp I substituted for a nominal 60W CFL on my parents stairs where the slow start was a hazard. It was *too bright* I had to get a 40W LED equivalent instead! Was it that the illuminated area was deemed too bright, or the actual lamp? Out of curiosity, what lamp was it? Lighting Ever 10W LED 810Lumen the new one is 830Lumen. Samsung chipset. http://www.amazon.co.uk/Lighting-EVE...dp/B0073CY81U/ ref=pd_rhf_ee_p_t_2_A39D It was too bright compared to an aging CFL they had got used to which IMO was unsafely dim for at least 5 minutes after switching it on. That lamp is 'daylight white' (6000K) which is a pretty 'hard' light. 'White' (3000 to 3500K) or even 'Warm white' (2750K) might have been less of a contrast with previous lamp. I have a single 4W LED in the porch lamp, and when the street lights go out it seems to light up the neighbourhood! -- Terry Fields |
#17
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Incandescent versus fluorescent candle bulbs
On 05/04/2013 17:44, Terry Fields wrote:
On Fri, 05 Apr 2013 16:07:09 +0100, Martin Brown wrote: On 05/04/2013 15:45, Chris J Dixon wrote: Martin Brown wrote: Out of curiosity, what lamp was it? Lighting Ever 10W LED 810Lumen the new one is 830Lumen. Samsung chipset. http://www.amazon.co.uk/Lighting-EVE...dp/B0073CY81U/ ref=pd_rhf_ee_p_t_2_A39D It was too bright compared to an aging CFL they had got used to which IMO was unsafely dim for at least 5 minutes after switching it on. That lamp is 'daylight white' (6000K) which is a pretty 'hard' light. 'White' (3000 to 3500K) or even 'Warm white' (2750K) might have been less of a contrast with previous lamp. I have a single 4W LED in the porch lamp, and when the street lights go out it seems to light up the neighbourhood! My error - it was the 2700K predecessor but no longer offered for sale that I can see. I just grabbed the nearest match to the one I bought. It still isn't what I would call "warm white" though more like 4000K. -- Regards, Martin Brown |
#18
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Incandescent versus fluorescent candle bulbs
En el artículo , Martin Brown
escribió: http://www.amazon.co.uk/Lighting-EVE...-Incandescent- Replacement/dp/B007 3CY81U/ref=pd_rhf_ee_p_t_2_A39D It was too bright compared to an aging CFL they had got used to which IMO was unsafely dim for at least 5 minutes after switching it on. It looks like it directs all its light downward? I was thinking of a LED bulb for the porch light, but that would need light to direct sideways too. -- (\_/) (='.'=) (")_(") |
#19
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Incandescent versus fluorescent candle bulbs
On 06/04/2013 04:01, Mike Tomlinson wrote:
En el artículo , Martin Brown escribió: http://www.amazon.co.uk/Lighting-EVE...-Incandescent- Replacement/dp/B007 3CY81U/ref=pd_rhf_ee_p_t_2_A39D It was too bright compared to an aging CFL they had got used to which IMO was unsafely dim for at least 5 minutes after switching it on. It looks like it directs all its light downward? I was thinking of a LED bulb for the porch light, but that would need light to direct sideways too. There is some sideways but almost none upwards due to the heatsink unless it is inside a lamp shade. Putting no light upwards is actually a benefit in an exterior lighting situation avoiding light pollution. It won't put as much light sideways as a traditional filament bulb but it may well provide enough and will be less dazzling. You would have to try it and see - I am not easily impressed but I was by this unit. -- Regards, Martin Brown |
#20
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Incandescent versus fluorescent candle bulbs
En el artículo , Martin Brown
escribió: There is some sideways but almost none upwards due to the heatsink unless it is inside a lamp shade. Thanks. It would be cap side down in the fitting (a coach lantern), so most of the light would be pointing upward into the cap. Perhaps I could line the cap with some alu foil to reflect the light. Putting no light upwards is actually a benefit in an exterior lighting situation avoiding light pollution. It illuminates a path so I do need some light out the sides. It won't put as much light sideways as a traditional filament bulb but it may well provide enough and will be less dazzling. You would have to try it and see - I am not easily impressed but I was by this unit. I might well do that, or try another of the corn bulbs discussed recently. The first one I got, a couple of years ago from China, is very poor. -- (\_/) (='.'=) (")_(") |
#21
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Incandescent versus fluorescent candle bulbs
On 06/04/2013 10:21, Mike Tomlinson wrote:
En el artículo , Martin Brown escribió: There is some sideways but almost none upwards due to the heatsink unless it is inside a lamp shade. Thanks. It would be cap side down in the fitting (a coach lantern), so most of the light would be pointing upward into the cap. Perhaps I could line the cap with some alu foil to reflect the light. I recognise the lantern design. I put half silvered conventional lamps in mine which works surprisingly well. I inherited a box of them from a previous owner of the house and that is the only place I can use them. Putting no light upwards is actually a benefit in an exterior lighting situation avoiding light pollution. It illuminates a path so I do need some light out the sides. It won't put as much light sideways as a traditional filament bulb but it may well provide enough and will be less dazzling. You would have to try it and see - I am not easily impressed but I was by this unit. I might well do that, or try another of the corn bulbs discussed recently. The first one I got, a couple of years ago from China, is very poor. I'd suggest sticking with one of the better known brands. Samsung have gone up in my estimation recently. -- Regards, Martin Brown |
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