Re: 100wt LED bulbs are going to be costly..
On Jun 17, 8:51 pm, d...@xxxxxxxxxxx (d.) wrote:
What I said might be backwards but I'm pretty sure that was what they
said. Spehro Pefhany may be right, it may be the LED's that have to
be insulated from the other heat the vehicle generates.
Anyway it is amazing. They are darn powerful lights to pierce the
gloom adequately for ~200mph night racing.
The 100W LED only cost $1 the heat sink and cooling tower cost $49
- Re: Need a material for my space-rocket !
... space rockets have used aluminum. ... Using a sufficiently large thickness of aluminum for strength ... modern space programs because of its excellent heat conducting ... that heat to go except into the body of the vehicle itself. ...
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