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  1. GJH105775

    VTX caught on fire yesterday, anyone know why?

    Hahahaha, yes, the whole reason that we even have RP-SMA stuff was the FCC's attempt to keep users from extending the range of their wireless routers by means of antennas and amplifiers. Not too long after that RP-SMA became just as popular and now we are left with two connectors that are just...
  2. GJH105775

    FPV system

    http://www.getfpv.com/connex-mini-hd-fpv-for-drone-racing.html Digital... No snow (theoretically) though if you happen to mostly lose signal then no lower quality white noise to kinda see your way around, it would likely result in a crash. As you see using digital may be able to...
  3. GJH105775

    VTX caught on fire yesterday, anyone know why?

    Sometimes, usually some sort of defect. As for looking for SMA and RP-SMA parts make sure the description, specs, and pictures match. Some sites provide the wrong info. I just ended up buying some SMA to RP-SMA and RP-SMA to SMA adapters to help for when that happens.
  4. GJH105775

    FPV system

    You legally are supposed to have a HAM for modification of any of our radio equipment, and for equipment without that handy FCC ID on it. Can't say I remember the last to me someone was prosecuted for non-disruptive, non-commercial use of RF, but I might be wrong. Multipath propagation is...
  5. GJH105775

    communication problem

    Anytime, though you might want to leave that thanks on Painless360's page ;)
  6. GJH105775

    Help understanding thrust

    great choice.
  7. GJH105775

    Help understanding thrust

    + I don't reasonably see you getting 3 pounds of thrust from and motor running 9'' props without risking destroying the prop from the speeds and force, even with CF. Are you trying to lift 12 pounds or what? I have a quad that produced barely over 3 pounds of thrust with 4 9''x4.7''...
  8. GJH105775

    FPV system

    http://flitetest.com/articles/race-quad-tips-fly-like-charpu Carlos "Charpu" uses the Taranis, and I'm sure you've seen some of his videos. Seems to have handled the concrete pretty well too.
  9. GJH105775

    communication problem

    The APM has to be armed, have you connected it to your PC yet?
  10. GJH105775

    Any suggestions for 500 build

    You can, it really doesn't have to be a switch channel either. Just turn yuor stick to max or minimum and see if it moves.
  11. GJH105775

    Looking to design SaR platform, help?

    Take a look at longrangerc.com They make some S&R platforms. But if you want to do a search and rescue setup a bogger slower moving multirotor with GPS and a FLIR camera is probably what you need. http://www.flir.com/cores/content/?id=74595 What type of price range do you have for this...
  12. GJH105775

    Any suggestions for 500 build

    Got am arduino? If they are servo driven you should be able to gently extend them if they have no power on them.
  13. GJH105775

    FPV system

    Typo hahaa sorry. Should have said tracker, it is a little servo driven mount that your antennas are always facing toward the quadcopter Do you have any info on the buildings you'd plan to fly around?
  14. GJH105775

    FPV system

    Yep, there is and you're in one of them hahahaha. First builds are better off in this section, as though it might be a 250 racing build the builder is going to be a novice and will need a little extra help. The Taranis is one of the better systems and VERY upgradable, and firmware...
  15. GJH105775

    Oh No!!!! A Drone has hit a plane!

    Well jumping t sensational conclusions before all of the facts come out is easy money for news. If you wait for the facts to come out before making a conclusion you lie when you insert the sensational claim that you are hoping for. But if you do so before hand you can say that you presented...
  16. GJH105775

    VTX caught on fire yesterday, anyone know why?

    Hmmmm, maybe the smoke really was magic then hahahaha. Running out of possible causes. Did the specs provide an optimal voltage rather than a voltage range?
  17. GJH105775

    VTX caught on fire yesterday, anyone know why?

    According to amazon it has an SAM connector and you used RP-SMA so I am 99% sure that is your problem.
  18. GJH105775

    VTX caught on fire yesterday, anyone know why?

    Hahaha, exactly. Can you look at your VTx and see what connector it has? It looks to have burnt at the resistor like an open connector
  19. GJH105775

    VTX caught on fire yesterday, anyone know why?

    RP actually stands for reversed polarity, but you were perhaps correct physically.
  20. GJH105775

    VTX caught on fire yesterday, anyone know why?

    Was your transmitter also reversed polarity SMA? If you try to put a RP-SMA anteana on an SMA connector you get no connection even though it fits perfect
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