[Greenbuilding] flat plat collectors

[Clarke Olsen]

What does MTD stand for? I would think that the absorber plate should not be a conductor, but a material keeping it's heat on the surface.
Clarke Olsen





On Oct 11, 2011, at 4:24 PM, Gary BIs wrote:

> The MTD collector uses black polyester felt to spread the water across the full surface of a metal backing plate.
> I've wondered about the life of the felt, but some of the MTD collectors are about 5 years old and the owners report they are doing well so far.
> 
> Gary
> 
> On 12:59 PM, Corwyn wrote:
>> On 10/11/2011 10:56 AM, Gary BIs wrote:
>>> Hi Joe,
>>> Yes -- I'm eager to see how the traditional flat plate compares to the
>>> MTD -- I think that the the MTD might do fine.
>>> 
>>> I'm probably a bit prejudiced on this, but I think from a life and long
>>> term maintenance point of view, the traditional flat plate may have some
>>> advantages. I'm just a little concerned about keeping the trickle tube
>>> trickling over 20 years.
>> 
>> I suspect that a _mostly_ wet cotton towel would not have a very long lifespan.  And when it dies, it could well take the pump with it.
>> 
>> Thank You Kindly,
>> 
>> Corwyn
>> 
> 
> 
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