John M. Smith
  • Male
  • San Jose, CA
  • United States
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John M. Smith's Discussions

Making a Patch antenna for a Fixed wing airframe.

Started this discussion. Last reply by Martin Mar 14. 4 Replies

I am interested in making a patch style antenna that would be made of a copper (or other lightweight material) mesh weave material in the form of a sheet that can be sandwiched between an adhesive…Continue

 

John M. Smith's Page

Latest Activity

John M. Smith commented on Tommy Larsen's blog post Skywalker X8 hand injury
"You might need one of my launchers for just such size of a plane. You are the 6th person that I have heard of that has had a mishap with the X8. One guy lost three fingers then got them sewn back on....never to be the same or work properly again.…"
Jun 9
John M. Smith commented on John M. Smith's photo
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Launcher photos

"You can also see some of the pictures on our Facebook page:  Asia Tech Drones   or  https://www.facebook.com/pages/Asia-Tech-Drones-SA/413169978765502 "
Jun 9
John M. Smith commented on John M. Smith's photo
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Launcher photos

"Sorry but I snapped those with my iPhone the other day. I will try to get some regular size pictures. up in the next day or so."
Jun 9
Scott Ashcraft commented on John M. Smith's photo
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Launcher photos

"John, Anywhere I can view these photos where bigger size than thumbnails?"
Jun 9
John M. Smith posted photos
Jun 7
John M. Smith posted a video

2013-06-07 11

0:10
Catapult Launch platform
Jun 7
John M. Smith posted photos
Jun 6
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May 12
John M. Smith commented on John M. Smith's photo
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SAM_0004

"Beijing Expo pics"
May 12
John M. Smith posted a photo
May 10
John M. Smith posted a status
"Cyclops Composite un-boxing at the Beijing Model Expo"
Apr 29
John M. Smith posted photos
Apr 29
Thalis Krimnianiotis commented on John M. Smith's photo
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MMS1367026982858

"i like it! i want it!"
Apr 28
John M. Smith posted a status
"Composite version of the Cyclops UAV on display at Beijing Model Expo."
Apr 26
John M. Smith posted photos
Apr 26
John M. Smith posted a status
"Here is a new FPV plane hitting the streets soon. Fresh from Shenzhen Model Expo."
Apr 6

Profile Information

About Me:
Currently working as a Technical Sales Engineer for Asia Tech Drones S.A.
Tell us a bit about your UAV interest
Bringing new design FPV / UAV planes to market and complete UAS systems. VERY low cost support equipment for this area as well. Mobile GCS, Catapult launchers, Recovery systems and Very long range flight control capabilities.
Hometown:
Austin, Texas

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Comment Wall (1 comment)

At 12:58pm on March 28, 2013, Curt Olson said…

Hi John, the launcher you are referring to was bungee powered and had a carriage that slid along the rail.  This worked ok, but required two people to cock or uncock and the carriage would slam the end of the rail and rock the whole thing quite a bit.  In the mean time we've come up with a completely different design that is still compact (about 6' long) but eliminates the carriage and is "recoiless".  It's a lot safer, lighter, and can be easily cocked or uncocked by one person standing well clear of the business end.  It does require installation of a tow hook on the aircraft. Happy to answer other questions of you have any.

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