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John Strickland, Monday, 3-19-13 March 20, 2013

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John Strickland, Monday, 3-19-13


Guest:  John Strickland.  Topics:  NSS, ISDC, space settlement, SSP, launcher reusability & more.  Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, https://thespaceshow.wordpress.com.  Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use. We do not permit the commercial use of Space Show programs or any part thereof, nor do we permit editing, YouTube clips, or clips placed on other private channels & websites. Space Show programs can be quoted, but the quote must be cited or referenced using the proper citation format. Contact The Space Show for further information.

We welcomed back John Strickland for this two hour discussion on a wide range of topics of interest to the NewSpace, commercial space, and space settlement audiences.  John started out by talking about the upcoming NSS ISDC Conference in San Diego from May 23-27.  For more information visit the NSS website, www.nss.org and click on the ISDC link.  Some tracks are still open for submitting abstracts so if this interests you, click on the appropriate link at the ISDC site.  During this part of our discussion, John talked about the NSS Roadmap and the planned coverage of it at ISDC 2013.  John was then asked about the deep space commercial and Mars ventures announced in 2012 and so far this year.  He said they were helpful to the overall space settlement agenda and explained how in his discussion comments.  He added that the Mars missions and Golden Spike were “laudable” but suggested we may not be ready by the time the projects give for doing the venture. He later said he would have spent the money differently.  Don’t his miss all his comments on these new commercial and HSF missions to Mars.  Our conversation then focused on the problems of sequestration and then John talked about heavy lift and SLS.  Our next discussion topic was Space Solar Power (SSP).  Here, John took us through a detailed analysis of why terrestrial solar and wind is not the best way to go, then he went through some of the characteristics of SSP and why it is the preferred way to acquire much of our energy. This is a detailed and at times marginally complex discussion but one you will want to hear.  In the end, he suggested we delay until we have the bigger launchers such as Falcon Heavy or bigger to make the launch component more economical.  His analysis included total energy needs for a city, Texas, the U.S., globally, etc.  It is a very instructive discussion.  Near the end, he said we should not put all our eggs in one energy source basket.  Listen to his solid explanation for this suggestion.

In our second segment, John talked about launcher reusability and more regarding SSP.  He introduced us to space logistics, commercial docking with cargo to the ISS, & the need for reusable deliveries, thus the RLV.  From here, he talked about fuel depots, mostly at Earth-Moon L1 and L2.  He explained the boil off problem, the cryogenic transfer problem, and the need for good insulation plus a cryo cooler.  Other issues in this segment addressed a lunar base, plausible time lines for accomplishing much of what our guest talked about, the Chinese space program and the complicated US-China relationship.  Near the end, a listener asked about a possible Texas spaceport per suggestions of SpaceX.  Tim called just before the end of the show to talk fuel depots, types of propellant for the depots and then he mentioned the VAPAK process (see http://ralph.open-aerospace.org/PDF/2009.04.14%20-%20HCG%20White%20Paper%20-%20VaPak%20Overview.pdf.)

If you have questions/comments, please post them on The Space Show blog.  To contact John Strickland, send your email through me at drspace@thespaceshow.com.

Dr. Louis Friedman, Monday, 1-9-12 January 10, 2012

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Dr. Louis Friedman, Monday, 1-9-12


Guest:  Dr. Lou Friedman.  Topics:  The Planetary Society LightSail Program, solar sails and more. You are invited to comment, ask questions, and discuss the Space Show program/guest(s) on the Space Show blog, https://thespaceshow.wordpress.com. Comments, questions, and any discussion must be relevant and applicable to Space Show programming. Transcripts of Space Show programs are not permitted without prior written consent from The Space Show (even if for personal use) & are a violation of the Space Show copyright.  We welcomed Dr. Louis Friedman back to the show to discuss solar sails and his recent articles in The Space Review titled “Mind Expansion,” Nov. 21, 2011 and “The Dangers of a Rocket To Nowhere,” May 23, 2011.  We started our one hour discussion with Dr. Friedman talking about solar sails and recent Planetary Society solar sail missions.  Dr. Friedman gave us the basics on solar sails and explained the interest and commitment to their demo solar sail efforts and the LightSail Program.  Listeners asked technical questions about solar sails, the materials used, and the radiation degradation of the materials.  We talked about using only sunlight for the solar sail energy, but in the future being able to use onboard lasers and even the light from distant stars.  We talked about the Phobos-Grunt mission as The Planetary Society had an experiment onboard, the Living Interplanetary Flight Experiment (LIFE).  Dr. Friedman described this microbial experiment and the titanium capsule it was in with the possibility of its being able to survive reentry and even being recovered though the odds are clearly against that happening. We talked liability issues regarding the debris, including LIFE, doing damage upon returning to Earth.  Both Dr. Friedman and attorney Michael Listener who called in said that primary liability was with Russia based on the OST.   The SLS came up as Dr. Friedman wrote about it in his above mentioned Space Review article.   In talking about SLS, we spoke about mediocrity in space policy, specifically human spaceflight.  I asked Dr. Friedman about the importance of connecting with the general public regarding HSF and how we could do a better job of it than what we are currently doing.  I then asked Dr. Friedman to comment on his excellent “Mind Expansion” Space Review article which you can read at www.thespacereview.com/article/1973/1.  We talked about the need to think big, issues facing space entrepreneurs, and a needed bridge between traditional commercial interests for entrepreneurs and thinking big and doing the new and innovative, especially if the business case is tentative or illusive.  Listeners asked Dr. Friedman about today’s college students and if they were being trained to think big.  As we closed in on the end of our hour discussion, I asked Lou if he thought space would be an issue in this year’s presidential campaign.  He did not think it would be an issue.  In our second segment which was to be Open Lines, I made an error in editing the show and lost the 50 minute segment.  However, during this brief OL segment, I went over some of the key upcoming Space Show programs.  Michael Listener called in to talk about the Chinese space policy.  Not only did we addressChina and space, but I also brought into the mix some ofChina’s economic and banking issues which may impact their space progress. Terry Picket called in regarding my comment about asking for help in coming up with a new template for the email newsletter and my time zone comment.  He offered us a time zone tool from the net and we talked about it and the various time zones across theUnited States includingAlaska andHawaii.  I regret having accidentally cut this segment and I apologize to Michael, Terry and all of you for not being able to bring this segment to you.  If you have questions/comments regarding the discussion with Dr. Friedman, please post them on The Space Show blog per the above URL.