[Date Prev][Date Next][Thread Prev][Thread Next] - [Date Index][Thread Index][Author Index]

Re: Special Bulletin ANS-063.02 BOD Meeting

GTO is one consideration.    What is the inclination of the launch.

On Wed, 7 Mar 2001 19:12:24 -0600  Estes Wayne-W10191
<W10191@motorola.com> writes:
>David Tipton wrote:
>Did I read that correctly to say they are going to try and put one in 
>orbit?  Or merely place in Geo Transfer orbit?
>Wayne replies:
>They said Geo Transfer orbit.  I interpret that to mean NO propulsion 
>system on the satellite.  I think that's a good thing for several 
>1. The satellite is much cheaper without propulsion.
>2. The satellite can be built much faster without propulsion.
>3. The satellite is much lighter, so there are more launch 
>4. The project is more likely to achieve its intended goals.  AMSAT 
>has a one in three success rate with propulsion systems (AO-10 
>malfunctioned, AO-13 was okay, AO-40 malfunctioned).  Propulsion is 
>the most costly but least reliable part of our Phase3 satellites.
>I would like to see the Board of Directors' decision clarified.  Does 
>the proposed 100 kg satellite have any propulsion?  My guess is no, 
>and I think it's a good decision.  Learning from the Phase 3D project, 
>we can expect a better "payback" if we pursue multiple projects with 
>simpler objectives.
>Wayne Estes W9AE
>Mundelein, IL, USA
>Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
>To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org

Juno offers FREE or PREMIUM Internet access for less!
Join Juno today!  For your FREE software, visit:
Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org