[AT] OT LED question

[Carl Gogol]

My experience with LED bulbs over the past 2+ years is as follows:
1- I have had no trouble/failures with LED bulbs from any source that "burn"
in the up or horizontal orientation.
2- I have considerable problems with bulbs that burn down that I have
purchased directly from China through a service called "DH Gate", losing 90%
within 2-4 months.  It appears to be a power supply heat issue and not the
light emitting chip.   
3- DH Gate has sources that produce LED bulbs that are designed to burn in
the down orientation.  These too have proven reliable.  I assume that they
have a better power supply that is designed to accommodate the convected
heat from the bulb.
4- I have yet to lose a bulb that I have purchased on sale from Lowes or
Home Depot burning in any orientation.  $4-$5 is my limit on any bulb
purchase.  None of my applications are on continuously, but some may get 4-6
hours per day use.
5- LED lamps have 3 color ranges just like CFL lamps.
6- I don't have a clue if the advertised lumens per watt numbers are real.
My 67 year old eyes like more light so I have generally replaced
incandescent bulbs  with more advertised lumen LED bulbs.
YMMV
Carl


-----Original Message-----
From: at-bounces at lists.antique-tractor.com
[mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Jason
Sent: Thursday, November 3, 2016 8:29 AM
To: Antique tractor email discussion group
Subject: Re: [AT] OT LED question

My LEDs work good. No complaints here.

On Wed, Nov 2, 2016, 10:48 PM Greg Hass <ghass at m3isp.com> wrote:

> Three years ago I bought 9 LEDS on sale for $10 each. They were to 
> last
> 22 and a half years being on 6 hours a day.  I have used four of them 
> so far at about 6 hours daily and none have made it past one and a 
> half years. We wrote the company but as expected, no reply.  A friend 
> at the coffee shop just told me today he tried them on his lawn mower 
> and they couldn't stand the vibration so he had to go back to the old
style lights.
>       Greg Hass
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