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Radio Frequency emitter used to propel objects with a parabolic reflector.

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Pommie

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I love it when "scientific" programs explain how travel to another star is possible by continuous acceleration via a powerful laser. No explanation of how it slows down. Guess, you just crash into the star at very high speed.

Mike.
 

gophert

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How else could a ship slow itself?
 

Nigel Goodwin

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I love it when "scientific" programs explain how travel to another star is possible by continuous acceleration via a powerful laser. No explanation of how it slows down. Guess, you just crash into the star at very high speed.
You simply (and obviously) use your light sail on the star you're approaching to slow - but as there's no laser from that direction the deceleration is much lower. Regardless though, it's a very slow transportation system :D
 

gophert

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Regardless though, it's a very slow transportation system :D
It is not slow, it only takes time to accelerate. Since it is always "on", it can eventually provide much more total thrust (and velocity) than other practical drive system that power on in short bursts at a time.
 

Nigel Goodwin

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It is not slow, it only takes time to accelerate. Since it is always "on", it can eventually provide much more total thrust (and velocity) than other practical drive system that power on in short bursts at a time.
It's slow in that it can not exceed the speed of light (or even get near it?) - so years to get anywhere.
 

gophert

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Let me get this straight,
You are justifying your incorrect statement
Regardless though, it's a very slow transportation system :D
On the basis of...
It's slow in that it can not exceed the speed of light (or even get near it?) - so years to get anywhere.
brilliant. Never be wrong - just claim you had a different frame of reference. I love it.
 

Nigel Goodwin

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Let me get this straight,
You are justifying your incorrect statement


On the basis of...


brilliant. Never be wrong - just claim you had a different frame of reference. I love it.
Perhaps you might like to post something useful here?, instead of endless stupid attacks on me and others - I'm really getting pretty sick of you, you're just a complete waste of space on these forums.
 

gophert

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Perhaps you might like to post something useful here?, instead of endless stupid attacks on me and others - I'm really getting pretty sick of you, you're just a complete waste of space on these forums.
Useful?
First, have you read the OP's question?

Second, have you seen this gem?
Regardless though, it's a very slow transportation system :D
or this one...
It's slow in that it can not exceed the speed of light (or even get near it?)
 

gophert

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.
 
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