The October 2013 meeting was attended by 10 members. The date for the next launched has now been moved to December 7th.I forgot to ask about any updates regarding the condition of the road. It may still be very rough when we get out there. Worst case scenario is having to usesomeone’s 4 wheel drive vehicle to ferry people back and forth who can’t drive the terrain themselves. That would slow us down, but won’t stop the firing. The treasurer reported that the RRS’s current balance is $16865.96. Three members have been promoted to administrative membership: Larry Hoffing, Chris Lujan, and Richard Garcia. Elections are coming up soon. I’m not sure when nominations or voting will be specifically. I think it starts at the next meeting, but I’m not sure. Sorry about the lack of specifics.
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John Mariano brought with him some interesting RRS history to the meeting to share. In the 60s The RRS had an interview on TV with Louis Lomax,the first African-American television journalist. John brought some photographs and letters from the event. The story is an interesting one, involving some excitement over wanting to do a static firing in the TV station’s parking lot, and an ad hoc RRS banner.  I couldn’t do the story justice here. I’d like to see it written down for an article in a future RRS newsletter. Obviously that would require rebooting the newsletter, which I would love to do.

We are considering having an RRS group tour of the Space Shuttle Endeavor exhibition at the California Science Center. Still on the table is being shown around the USC Rocket Propulsion LAB by the group of RRS members studying there at USC. Since they are near each other we are considering doing them both on the same day in lieu of a typical monthly meeting. Sounds like a great time to me.
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Speaking of the USC Rocket Propulsion LAB we have heard the results of their attempted suborbital space shot. The Traveler rocket blew up around 20,000 ft. But still, it’s an accomplishment to get as far as they did and to even be able to say they tried it. I hope they can comeback from this and give it another try. A more detailed account of it can be found here:
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http://news.usc.edu/?utm_source=USC+News+This+Week+Email+Edition&utm_campaign=bd89c0125b-13_10_01_USCNews_FY2014_Wk6_Tue10_1_2013&utm_medium=email&utm_term=0_c21f9f74f7-bd89c0125b-106721829#!/article/55587/usc-rocket-launch-fails-but-firsts-abound/

http://www.uscrpl.com/updates/

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We discussed some launches and testing that we may be doing in December. Of particular interest was the discussion of Jim Gross’s planed static test of micrograin rockets motors. Although he expressed that it probably won’t be ready for this next firing. He intends to take some high quality data on the pressure curve of a micrograin rocket. There has been some long standing questions about how this propellant burns and he hopes to shed some light on the issue. Preparing this test is particularly challenging because of the need for some high temperature strain gauges whose application requires a specific heat treatment regiment for the high temperature adhesive that may need to go up to 600⁰ F. Does anyone have access to a heat treating oven? I was thinking that I could help make a programmable autoclave but that might be excessive for a one time use. But if there were some people who also need one for composites, or other heat treating, it might be a good excuse for making an RRS autoclave. Anyone interested? Either way Jims test promises to be interesting.

I’ve talked with Frank and Osvaldo and we will soon be working together to finish the web site. I’ll need them to setup a PayPal to take payments and to give me member information so I can set up a database of members so everyone who has already paid or is a lifetime member will have access to the members section of the web site.

-Richard

The September 2013 meeting was attended by about 6 members. The date for the next launched has been moved back to November.

I brought two LR101 rocket engines to show. One brand new, and one that had been flown and salvaged. A friend of mine from college who sometimes comes to me with his crazy ideas wants me to put an LR101 rocket engine on a BD-5 aircraft witch would make it the world’s smallest rocket plane. I’m aware of how crazy and nearly impossible accomplishing a flight with that setup would actually be. I have realist expectations and only really expect to do a static test with a non-flight version of the engine and a stretch goal of static firing the same version while mounted in the aircraft with it tied town. His end goal is to use this stunt to impress investors enough to give him money to peruse building a space plane with a similar configuration to ambien online Virgin Galactic’s vehicles capable of sub orbital flights from LA to London. I don’t have any expectation of success there, but it can’t hurt to let him try. It should be fun to try firing that LR101, especially since he’ll be footing the bill.

Osvaldo also brought 2 LR101’s. He borrowed them from Norton Sales in North Hollywood. That is also where my friend got his engines and it’s really an amazing place. They have all sorts of aerospace surplus stuff from the cold war and the space race. It really warrants a visit if you’re in the LA area. One engine Osvaldo brought was complete with the thrust frame and all the gimbaling hardware. The second was just a thrust chamber. He also had a mandrel of some kind used for forming the thrust chambers.

I brought a sand casting of the Beta rocket coupler I made from a 3D print. I used a very course sand and the surface was far too ruff to use, but the process shows potential, I just need to figure out the right details to get better results. Also from 3D printing was a servo valve I brought that I’ve been working on. The valve is pretty much complete save for one or two small changes. I was originally planning to use them as the main propellant valves, but they actuate too slowly, however they can still be used on valves that don’t need to be actuated fast. Now I’m thinking about designing some pneumatic valves based on Tom Mueller’s Pyrovalves which he wrote a clomid great article for in the RRS Newsletter in February 1995 .

Frank brought a list of all the newsletters that the RRS has published so now I know how many we have left to digitize.

I haven’t had time to work more on the web site. since the last meeting report I sent out. There is not to much more that needs to be done, but I’ll need to work with Frank and Osvaldo to finish membership access.

The attached pictures are the two LR101s, the dual pneumatic valve for the LR101, my servo valve, and two BD-5s.

-Richard Garcia
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