Re: Radio control v. Wire... and 1 part or 2?

2002-10-28 Thread Robert J. Bradbury
On Mon, 28 Oct 2002 [EMAIL PROTECTED] wrote: > Are we going to have this thing radio controlled or a cable/wire attached to > it? > > >From the CalTech glaciology website... > "For electromagnetic waves with frequencies from 5 to 300 MHz the loss of > energy by absorption in ice is sufficiently

RE: Radio control v. Wire... and 1 part or 2?

2002-10-28 Thread Reeve, Jack W.
A few miles of light-transmitting fiber spooled out behind the cryobot shouldn't weigh any more than the proposed transmission "pucks".  Also, if a metallic filament were adjacent the optical line(s), it could be periodically heated to reposition and de-stress itself in the event of ice mov

RE: Radio control v. Wire... and 1 part or 2?

2002-10-28 Thread Robert J. Bradbury
On Mon, 28 Oct 2002, Reeve, Jack W. wrote: > A few miles of light-transmitting fiber spooled out behind the cryobot > shouldn't weigh any more than the proposed transmission "pucks". Also, if a > metallic filament were adjacent the optical line(s), it could be > periodically heated to repositio

RE: Radio control v. Wire... and 1 part or 2?

2002-10-28 Thread Reeve, Jack W.
control v. Wire... and 1 part or 2? On Mon, 28 Oct 2002, Reeve, Jack W. wrote: > A few miles of light-transmitting fiber spooled out behind the cryobot > shouldn't weigh any more than the proposed transmission "pucks". Also, if a > metallic filament were adjacent the opti

RE: Radio control v. Wire... and 1 part or 2?

2002-10-28 Thread Joe Latrell
> To: [EMAIL PROTECTED] > Subject: RE: Radio control v. Wire... and 1 part or 2? > > > > On Mon, 28 Oct 2002, Reeve, Jack W. wrote: > > > A few miles of light-transmitting fiber spooled out behind the cryobot > > shouldn't weigh any more than the proposed tra

RE: Radio control v. Wire... and 1 part or 2?

2002-10-28 Thread Reeve, Jack W.
r fishing, where the line plays out through a hole at end/center. Jack -Original Message- From: Joe Latrell [mailto:joe_latrell@;beyond-earth.com] Sent: Monday 28 October 2002 15:24 To: [EMAIL PROTECTED] Subject: RE: Radio control v. Wire... and 1 part or 2? How big is this thing suppos