Next SBSS Program, 2nd Wednesday, 6:30pm, Saratoga Fire Station - Page 5 - RC Groups
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Sep 25, 2015, 07:57 AM
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This looks great Sean and Bruce


Thanks for pulling together what looks like a great program.
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Sep 25, 2015, 08:08 AM
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Also in a follow up to one of our previous speakers Einar Enevoldson. This Reuters article http://mobile.reuters.com/article/idUSL1N11U39N20150924 talks about the same glider team (Perlan Project) that will try to break the highest altitude record obtained in an unpowered aircraft. As you might remember the old record was 15,460 m (50,720 ft) set on 30 August 2006 by Steve Fossett (pilot) and Einar Enevoldson (co-pilot) in their high performance research glider, a modified DG-500.
Oct 12, 2015, 02:04 PM
E-Scale & Sailplane Guy
Bruce DeVisser's Avatar

October 14th SBSS Meeting Presentation


Just a reminder I will be presenting a program about my adventure last two summers flying scale sailplanes in Europe and visiting vendors. I will also bring my 6.5 meter Rosenthal LS-4 to display.

Lots of story and photos from the ground and air.

Schmerlat, Switzerland private glider field below.

Bruce
Nov 02, 2015, 08:44 AM
Registered User

Human Powered Aircraft, The DaSH Project Update - building a 'Simple' human powered a


Human Powered Aircraft, The DaSH Project Update - building a 'Simple' human powered airplane

Come to South Bay Soaring Society’s next program at 7:30pm 11/11/15 at the main Saratoga Fire Station.

The DaSH PA project stands for "Dead Simple Human Powered Airplane", the idea: to take as efficient an approach as possible to building a human powered aircraft that flies successfully. It’s a project started by a group of engineers just for the fun of it, to learn while designing and building something challenging, fun and a little bit out there.

We are happy to have Alec Proudfoot from the DaSH project back to our SBSS meeting to discuss the latest on this exciting project. It has been a year since our introduction to this local aviation effort and since then the DaSH team has attended the British Human Power Flying Club Rally in England and has load tested their latest 36.7m and 40m wings at the Hiller Museum. They have also done a test build of the major parts of the plane. The DaSH project blog is located at: http://dashpa.blogspot.com

Alec Proudfoot of Proudfoot Design is currently Chief Designer on the DaSH human powered airplane project. He was the engineer at Google Inc. who started the RechargeIT plug-in vehicle project. At AeroVironment, he was a member of the engineering team that created the GM Impact prototype. The Impact entered production as the GM EV1, the first modern high power AC induction electric vehicle. Alec has followed the alternative fuel vehicle scene as an engineer, a consumer, and journalist -- some of his footage appeared in the documentary film "Who Killed the Electric Car."

In addition to his alternative fuel vehicle work, Alec has had a diverse engineering career, spanning fields from aviation to medical devices to telecommunications, and has also worked as a professional helicopter pilot. Most recently, Alec was a renewable energy engineer at Google working on the RE<C project, and previously worked as an engineering manager on imaging related applications for projects including Google Book Search and Google Maps. In his "20% time," Alec
advised Google.org, Google's philanthropic organization, on energy and transportation issues.

The South Bay Soaring Society Program is held every 2nd Wednesday of the month at the main Saratoga Fire Station at 14380 Saratoga Ave, Saratoga, CA 95070. The business meeting starts at 6:30pm and the program begins sometime after 7:30pm. Anyone is invited to either meeting and you can bring friends.
Nov 02, 2015, 09:37 AM
Registered User

Just Posted


SBSS ➜ Flying F5J Electric Gliders (51 min 51 sec)


Francesco presented what is happening in California for F5J contests. F5J is a multi-task electric glider contest that allows an electric motor to “launch” the plane. The Sacramento Valley Soaring Society, http://www.svss.org recently held a contest in which Francesco finished in the top three. SVSS is in the process of starting up a NorCal F5J league and started with a demo contest last April 24th and the first full contest last May 17th. They are also looking for other venues and clubs to host these contests around northern California. Here is a video of his pictures/videos, and Francesco talking about this contest and what is needed to fly competitively in an F5J contest. This is where to learn about this fast growing area of our sport.

The South Bay Soaring Society Program is held every 2nd Wednesday of the month at the main Saratoga Fire Station at 14380 Saratoga Ave, Saratoga, CA 95070. The business meeting starts at 6:30pm and the program begins sometime after 7:30pm. Anyone is invited to either meeting and you can bring friends.
Nov 02, 2015, 09:45 AM
Registered User

New YouTube, Flying F5J Electric Gliders, Recorded June 10th 2015


SBSS ➜ Flying F5J Electric Gliders (51 min 51 sec)


Francesco presented what is happening in California for F5J contests. F5J is a multi-task electric glider contest that allows an electric motor to “launch” the plane. The Sacramento Valley Soaring Society, http://www.svss.org recently held a contest in which Francesco finished in the top three. SVSS is in the process of starting up a NorCal F5J league and started with a demo contest last April 24th and the first full contest last May 17th. They are also looking for other venues and clubs to host these contests around northern California. Here is a video of his pictures/videos, and Francesco talking about this contest and what is needed to fly competitively in an F5J contest. This is where to learn about this fast growing area of our sport.

The South Bay Soaring Society Program is held every 2nd Wednesday of the month at the main Saratoga Fire Station at 14380 Saratoga Ave, Saratoga, CA 95070. The business meeting starts at 6:30pm and the program begins sometime after 7:30pm. Anyone is invited to either meeting and you can bring friends.
Dec 31, 2015, 10:52 AM
Registered User

Next SBSS Program 1/13/16 - Auction Off Your RC Goodies


On Christmas morning you probably found way too much cool hobby stuff under your tree that you just don't have room for. Well, bring it to our next meeting on Wednesday night 6:30 business/7:30ish auction, January 13th, 2016 at the Main Saratoga Fire Station and help keep the gift getting spirit alive a few weeks longer.

The format will be simple. We will have an extended "show and tell" session at our meeting where you can tell about the cool things your have brought to sell. Then at the close of the formal meeting you can browse the merchandise and make a silent bid on the items you love. 10% of of the sale price will go to the club treasurer for his "Run Off to Tahiti Fund" (just kidding). Bring extra 1, 5, & $10 bills and a large car.

Unless you hear differently assume that non-members are welcome to come and sell or buy glider model stuff. I am not too worried the crowd will be too large for the room.

Thanks,

Throwbot

PS: It is now time to give up my Oly 2S to a nice home (the blonde is not included).
Feb 06, 2016, 06:39 PM
Registered User

Pushing Real Racing Plane Performance with X-Plane Simulation Software


All are welcome to South Bay Soaring Society’s next program at 7:30pm 2/10/16 at the main Saratoga Fire Station.

Laminar Research’s X-Plane is part engineering tool, part pilot trainer, and a great way for RC pilots to crash before they really crash.

Randy is our resident expert on X-Plane and builds plane simulations to help real full-scale air racing teams improve their performance. Come hear about how simulation software drives air racing performance and helps in other areas of aviation. If time and the technology gods allow, Randy may even challenge an unprepared club member to an air race.

He will cover the types of planes and flying locations that are available from X-Plane and discuss the many additional simulations and support that come from the X-Plane.org independent organization. $60 and a joystick could turn your PC, Mac or Linux computer a great tool for an aviation enthusiast like yourself. You can also download it for free on Android and iPhones.

The South Bay Soaring Society Program is held every 2nd Wednesday of the month at the main Saratoga Fire Station at 14380 Saratoga Ave, Saratoga, CA 95070. The business meeting starts at 6:30pm and the program begins sometime after 7:30pm. Anyone can come at either time and you can bring friends.

NOW ON YOUTUBE

X-Plane 10 - Flight Simulator Uses for RC Modelers (40 min 36 sec)
Last edited by Throwbot; Jun 06, 2016 at 05:31 PM.
Feb 24, 2016, 01:30 PM
Registered User

The Ultimate Kit Build – A Full Size Piper Cub


All are welcome to South Bay Soaring Society’s next program at 7:30pm 3/9/16 at the main Saratoga Fire Station.

Sean Worthington will be explaining his other hobby; building a full size Piper Cub plane from a Wag-Aero Sport Trainer - Piper Cub J-3 Aircraft Kit. He will cover how he got interested in this project and the pros and cons of building your own aircraft. Also he will share his expertise on why a Piper Cub is an ideal plane to build. We will hear about his progress and learn about how he will build in safety and how to perform his first test flight.

The South Bay Soaring Society Program is held every 2nd Wednesday of the month at the main Saratoga Fire Station at 14380 Saratoga Ave, Saratoga, CA 95070. The business meeting starts at 6:30pm and the program begins sometime after 7:30pm. Anyone can come at either time and you can bring friends.

Now see it on our YouTube Channel:

The Ultimate Kit Build – A Full Size Piper Cub (1 hr 11 min 49 sec)
Last edited by Throwbot; May 16, 2016 at 09:24 AM. Reason: Change last name
Mar 10, 2016, 09:28 AM
Registered User

Excellent Presentation


Sean,

Your presentation was very interesting. In particular, your photos and history from your first plane I found interesting. It'd be nice to get an update on your progress with photos of your assembly and how you're keeping the parts in your garage.

Thanks, Sean.

Noel
Mar 10, 2016, 09:02 PM
Sean Worthington
S-1-11B's Avatar
Thanks Noel. Will do.

Sean
Apr 06, 2016, 11:06 AM
Registered User

DaSH Human Powered Flights are Happening


As you remember from our November program presented by Alec Proudfoot that the DaSH project was about to fly. Well Bob Parks tells me that the DaSH human powered plane has done some good flights. It has flown most of the length of the runway at Half Moon Bay. Congratulations to Alec and the team for a their success to date. SBSS has been honored to able to follow their terrific progress.

A full article appears here http://www.hmbreview.com/news/aviati...40f44fbb0.html
Apr 08, 2016, 01:54 PM
Registered User

Flying Free Flight Soaring Gliders in National and International Contests


Come to South Bay Soaring Society’s next program at 7:30pm 4/13/16 at the main Saratoga Fire Station.

Fred Terzian will bring in and show three types of free flight soaring gliders that are used in FAI competition internationally as well as AMA U.S. National events.

The first is "F1A" which is a towline glider that is pulled up to a fifty meter altitude and kept on the line in a circling motion until such time that thermal currents are detected, then released into a circling, gliding flight. The airplane typically has a wingspan in excess of eight feet with a high aspect ratio and able to take the stresses of over eighty pounds pull strength upon release. Balsa, carbon composites and Kevlar make up the bulk of its strength. The model is required to weigh slightly over 16 ounces.

"F1E" is a Magnetic Steering Slope Soaring glider popular mainly in Europe. Size and weight is almost unrestricted, so you see a lot of variance in model designs. Most still employ a magnet steering forward vane that allows the airplane to track into the wind off of a high hill or low mountain. The magnet of course points towards Magnetic North, and the forward vane is adjusted in case the wind is coming from a different direction from the east, west or south. A series of seven rounds are taken at 45 min to 1-hour intervals. Its hard to achieve a clean score over seven rounds, but it has been done in international competition.

"Tip Launch Gliders" are the current substitute for Javelin launched gliders (hand launch gliders) of the past. Rarely could a glider be thrown successfully if it was over 24 inches in wingspan. Tip Launch gliders can have a maximum wingspan of one meter and can be thrown more than one hundred feet high by a sportsman in excellent physical condition. This design is a carryover from the very popular DLG (discus launched gliders) flown in RC events.

The South Bay Soaring Society Program is held every 2nd Wednesday of the month at the main Saratoga Fire Station at 14380 Saratoga Ave, Saratoga, CA 95070. The business meeting starts at 6:30pm and the program begins sometime after 7:30pm. Anyone is invited to either meeting and you can bring friends.

Now see this on our South Bay Soaring Society YouTube channel:

Flying Free Flight Soaring Gliders in National and International Contests (50 min 33 sec)
Last edited by Throwbot; May 15, 2016 at 02:49 PM. Reason: Posted Video 5/15/16
May 05, 2016, 07:35 PM
Registered User

What You Don’t Know About Your Batteries May Shock You


Come to South Bay Soaring Society’s next program at 7:30pm 5/11/16 at the main Saratoga Fire Station.

Francesco, our aviation scientist in resident will be sharing with us his battery test fixtures and the knowledge he has gained from them. Francesco competes in electric launch glider competitions so we are excited for him to share his world-class experience at our next meeting. Francesco will be sharing with us:

• Common problems with batteries
• Importance of internal resistance
• When to throw out a battery
• How to inspect a battery
• An open source resistance meter
• Expensive batteries vs. cheap batteries
• Dangers from batteries.

Our sailplanes, our radios and when charging perhaps even the safety of our houses are all dependent on safe and capable batteries. Isn’t it worth an evening to learn more about this important subject?

The South Bay Soaring Society Program is held every 2nd Wednesday of the month at the main Saratoga Fire Station at 14380 Saratoga Ave, Saratoga, CA 95070. The business meeting starts at 6:30pm and the program begins sometime after 7:30pm. Anyone is invited to either meeting and you can bring friends.

Now on YouTube

What You Don’t Know About Your Batteries May Shock You (32 min 13 sec)
Last edited by Throwbot; May 13, 2016 at 10:16 AM.
May 09, 2016, 08:43 AM
Registered User
Our former program speaker Einar Enevoldson (Perlan 1, 50,671 feet 2006) is now behind a another attempt at a high altitude glider record; 90,000. Only catch is Airbus is now the sponsor of the project and supplying the two pilots, one being Airbus's CEO.

From the Daily Mail: Perlan 2 takes to the skies! Airbus glider completes latest test flight as daredevils plan to fly it 90,000ft to the edge of SPACE 

http://www.dailymail.co.uk/news/arti...are_mobile-top


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