On 11/06/2014 23:48, Dave Liquorice wrote:
On Wed, 11 Jun 2014 23:01:21 +0100, dennis@home wrote:

Its a vacuum tube panel. Its much heavier than a solar PV panel.
PV panels weigh about 12 kg for a 250W one.
They are easily managed by one person, the thermal panel needs two.

Er the manifold of vacuum tube panel is a bit of a lump but large
rather than heavy. A tube weighs not alot at all? Perhaps you don't
realise that the tubes plug into the manifold, you don't handle the
whole assembly as a single unit.

PV will need stronger fixings as the panels are solid and have a
higer windage than thermal tubes where the wind can pass betwen them.


There is no where for wind to pass through my panel, the multi-parabolic
reflector is pressed metal and the thing arrives pre-assembled.