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**RjkVwPcV** · 08-21-2012, 12:27 AM

It's like when Frank Whittle explained his jet engine to manufacturers of aircraft engines. He stressed the simplicity of his engine's design and function.

"Don't worry about the simplicity", said one manufacturer, "we'll soon design that out of it".

Ah yes I remember that.

I had a further think about the counter-rotating rings: It'd add a lot of mass but make life a lot easier to manoeuvre the structure around. I know they have to change the attitude of the ISS every now and then for various reasons so eliminating the gyroscopic precession would pretty much be a requirement.

08-21-2012, 12:27 AM	#96
RjkVwPcV Join Date Oct 2005 Posts 447 Senior Member	It's like when Frank Whittle explained his jet engine to manufacturers of aircraft engines. He stressed the simplicity of his engine's design and function. "Don't worry about the simplicity", said one manufacturer, "we'll soon design that out of it". Ah yes I remember that. I had a further think about the counter-rotating rings: It'd add a lot of mass but make life a lot easier to manoeuvre the structure around. I know they have to change the attitude of the ISS every now and then for various reasons so eliminating the gyroscopic precession would pretty much be a requirement.
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