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To: Steely Tom
Even so, not having to burn fuel to spin the turbopumps is potentially pretty big.

The batteries, motors and pumps would have to weigh less than the turbopumps and fuel they consume for this to work. Batteries weigh less than fuel producing the same energy? The turbopumps on the shuttle produced thousands of HP.

The Tesla has 1200 pounds of batteries to equal a 100 pound tank full of gas.

17 posted on 04/15/2015 3:32:04 PM PDT by SpeakerToAnimals (I hope to earn a name in battle)
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To: SpeakerToAnimals
The batteries, motors and pumps would have to weigh less than the turbopumps and fuel they consume for this to work. Batteries weigh less than fuel producing the same energy? The turbopumps on the shuttle produced thousands of HP. The Tesla has 1200 pounds of batteries to equal a 100 pound tank full of gas.

Yeah, great point.

The four fuel and ox pumps in the SSMEs generated the following rated horsepower:

LP ox 1614
HP ox 22880
LP H2 3330
HP H2 63080
total 90904

Almost 100,000 horsepower. A lot more than a Tesla.

18 posted on 04/15/2015 3:56:53 PM PDT by Steely Tom (Vote GOP for A Slower Handbasket)
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