[NSRCA-discussion] Two killed by model airplane

[Del K. Rykert]

Myself I think the best safety fail safe purely for spectators is engine idle or dead and plane in spin..  Not much forward momentum and chance for verbal warning in needed to get out of way. Course they shouldn't be flying over people so moot point from spectator aspect.  
 
                     Del 
          nsrca - 473
  ----- Original Message ----- 
  From: brett terry 
  To: NSRCA Mailing List 
  Sent: Sunday, May 21, 2006 4:10 PM
  Subject: Re: [NSRCA-discussion] Two killed by model airplane


  Good points, all.  Maybe this sort of feature could be tied in with an autopilot system to level the wings and maintain altitude until the interference is gone.




  On 5/21/06, Ed Alt <ed_alt at hotmail.com> wrote:
    Any RF link can be interfered with, marketing hype aside.  The DSS systems will primarily offer protection from each other, which is definitely a good thing.  It's not going to be completely effective at rejecting other sources of RF on the same channels that arrive after initial open channel has completed at startup.  Not everyone plays by the same rules from a protocol observance standpoint.  Net-net, they won't be immune to intererence, although they may be a significant improvement from what we have today.  

    Again, what I am proposing is simple to do and could be incorprated in any radio technology.  For that matter, it could even be a pot (potentiometer replacement) to an unused extra channel if older transmitters needed the feature.  A small protocol module add-in takes over the function of a pot, could be swapped by a skilled modeler or better yet, Radio South, Horzon/Hobby Services etc.  Bingo, you have your failsafe protocol ready to interface with 3rd party kill switches, audible alert speakers etc.  

    Ed




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