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...woah. Um, I don't mean to be blunt or sound like a lecturer, or a smart a*ed, pain in the a*. BUT, please be careful about claiming some of the things claimed in this thread. I know a little about some of the things discussed here and there are some very inaccurate claims being made especially with the use of numbers... (oh and the units: the system is undefined, so imagine whatever you want re. their true meaning. The scale is inconsistent so it makes no difference and is a pointless argume…

(Quote from Rexor) Re. Laser Cutting, I think you mean Watts, not Temperature in C (especially when referring to the Abrams, this is a 10kW laser, basically it is an Aluminium cutting laser) ? Also Laser cutting is slow, very slow compared to plasma cutting. It also has depth issues and it's maximum cut depth through thick material is actually quite low compared to, for example again, plasma cutting. Granted it is true that extreme temperatures can be reached but this defeats the point of laser…

Oh one other thing re.moving in space, you don;t need much power at all, 30'000hp would be excessive in space. To me the current space propulsion technique that has me really excited is solar sails, they have a very small impulse, but space is large, time frames are long so a little constantly actually means solar sails can achieve the speeds required to overtake the voyager exploration crafts, they just take a long time picking up the pace! And yeah now We are WAY off topic! Maybe we should st…

I have no intention of arguing, but again, that is a plasma cutter regarding the high temperatures, not a laser. The laser used to cut the Abrams is a 10kW laser same as in the aerospace industry, within which I work, as it is required for the ceramic compounds used, lasers are not designated by temperature only power output the temperature is dependent on the emmisivity of the medium used and the material being cut. The reason Laser is used on Abram's specifically is due to the minimal size of…