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  1. R

    FYI: Carbon Fiber tubes - how they are constructed - Enjoy ;)

    I simply wanted to know and then thought I would share. Basic Fact #1: Think of CF as a rope, it is ONLY strong in 1 direction, tension, exactly like a rope! Push (compression) a rope - weak, pull (tension) a rope - strong! CF in shear (across) not so strong, CF is brittle & does not like to...
  2. R

    Anyone done an analysis of - CF tube vs alum rectangle/square of same length?

    Just wondering if for the approx same strength/size/benefit how a round CF tube and all its brackets (they convert round to square/flat when needed) vs. simple high quality alum rectangular or square beams compare, weight,costs, assembly ease, survivability, etc ? A bit hard to 'equate' them as...
  3. R

    FYI: A good 'copter' ebook read - Daniel Suarez "Kill Decision" - Fiction 2012

    http://www.amazon.com/Kill-Decision-Daniel-Suarez/dp/0451417704/ref=sr_1_1?ie=UTF8&qid=1388289176&sr=8-1&keywords=Daniel+Suarez+Kill+Decision Well written, 3rd book for author, a politically plausible but frightening in many ways use of many different sized/use of Drones/UAVs in today's world...
  4. R

    Anyone know specifics about the Amazon Copters - especially the electronics?

    Have not found any details, anyone have specifics ? Also, anyone know where they test them ? TIA!
  5. R

    Any MultiCopter flyers in San Jose, Calif area - what field/location ?

    Would love to watch/talk/ask questions of those ppl who are having fun in this hobby or if performing a 'demo' for donations! ;) If you fly at some regular location, plz tell me the time/days/location if you don't mind a 'watcher' ! :nevreness: I am in the Morgan Hill area and willing to drive...
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