F3A--Noise.

[Troy Newman]

Oh I know its there.....it just has no teeth....its nuetered

Correct this is the rule...but the majority of the judges have to agree its noisy and the penalty only is assessed by those judges that think it is noisy.....

In flight noise should be evaluated as the rules suggest, I have never seen it used....10pts out say the 550-580 it takes to win the round is on the order of about 15pts normalized or about 1.5% penalty....So yes it can make a  difference in the top 1-2-3 guys...But look at the spreads in the events....they are quite often more that this 15pts....Most events, not all but most, are separated by more than 1.5% per round.......Lets see next week at the Worlds...I bet its more than 15pts normalized....out of 2000 possible points in the finals....And this 2000 points possible in the finals makes the judges penalty on a specific flight 0.75% its nothing....and to get into the finals the results is 0.38% difference on a 4 rounds in the prelims or semi's...This penalty to me seems like a nothing penalty with no teeth...the result of testing on the meter 94.1 is a zero for the flight! The result for the majority of judges saying you're loud is 1.5% and only on the judges that call it as loud.

Another issue is that judges are reluctant to enforce a noise penalty as they is no guidance for the how noisy is too noisy...in the current system all the models are about the same.....And this is to pass the 3meter test.

My point is that the enforcement of a penalty for a judge saying you are noisy is you need 3 of 5 in a US NATS final to say its noisy to start with and then it is assessed only on those 3...

Where as the penalty for being 94.1db(A) is ZERO for the round. In the finals at the worlds you need 11 judges out of 20 to say its too noisy....unless there is a blatant issue, like a busted header, or lost pipe...it ain't going to happen....

I still believe our noise issues are not in the air! They are at the 3 meter distance...Our models are already so quiet in the air that with two models in the air at once you can't pick a specific model.....

I'm not saying its right....... just calling it as I see it....I agree that every judge should analyze the noise....but you have to consider that for the majority there are 2 power plants....the 4strokes and the 2 strokes. And these both in the air have similar sound levels....exclude the broken header that can happen.....This is the only time I have seen the noise vote affect a pilot.....

I think this rule while I agree its is in the book and should be followed is a neutered carry over from when the noise rules were first introduced. Back then it was argued that the meter at 3meters away was not a true indication of the noise footprint. And that each judge should decide if its noisy....The sound meter won out on this battle as its a quantity that can be measured and its pass-fail.

Maybe with the Electrics since the flight noise is radically different might induce the proper use of this rule.

I can't tell you if it will or not...I fly F3A so I'm not sitting in the chair when the rule gets enforced.

TN


  ----- Original Message ----- 
  From: Iiro Nikkila 
  To: discussion at nsrca.org 
  Sent: Saturday, August 09, 2003 8:39 AM
  Subject: Re: F3A--Noise.


  It seems that there is at least on more pilot who hasn't read the FAI Sporting Code ;-)

  This is a direct citation from that:
  "At the conclusion of the flight each judge will independently consider if the in-flight noise level of the model aircraft is too noisy. If a majority of the judges consider the model aircraft too noisy the flight score will be penalized 10 points for each counting judge."

  To get the noise penalty has the same effect as losing landing points ( 1/67 ).
  There is no gain if the plane is silent in the air. If there was it would be an advantage for E drive.

  Iiro Nikkila
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