[NSRCA-discussion] weight limits for electrics?

Mon May 15 03:57:51 AKDT 2006

Is it a sure thing that the AMA rules will extend the weight ruling to the AMA classes?
I believe the rule is a concession to electric power because they are exempt from noise checks. Making the sound check at greater power levels will not be easy for recips.

John Ferrell    W8CCW
"My Competition is not my enemy"
http://DixieNC.US

  ----- Original Message ----- 
  From: Dave Lockhart 
  To: 'NSRCA Mailing List' 
  Sent: Monday, May 15, 2006 12:21 AM
  Subject: Re: [NSRCA-discussion] weight limits for electrics?

  Yes, Some of the pattern guys would go to the hassle of a bipe to get the competitive advantage of the bigger plane - and the rest of us would be less competitive unless we chose to spend more time and more money (assuming we had the time and money to spend - and some don't and will drop the event).

  Yes 96db is a challenge for gas, 94 (FAI) is even more of a challenge.  Both can be easily done - it only takes $$$$

  Restructure the rules so that the most competitive airframes are more expensive, more complex, and require more time, and the numbers interested in the event will drop (as it has every single time in the past when rules allowed escalation of the airframes).

  Dave

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  From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Robert Mairs
  Sent: Sunday, May 14, 2006 11:59 PM
  To: NSRCA Mailing List
  Subject: Re: [NSRCA-discussion] weight limits for electrics?

  The IMAC guys don't want to deal with it, but pattern guys would?  Only motors that would support bipes in that size are gas.  96db at 3 meters?  Now there's a hassle.  The skys not falling.

    ----- Original Message ----- 

    From: Dave Lockhart 

    To: 'NSRCA Mailing List' 

    Sent: Sunday, May 14, 2006 10:19 PM

    Subject: Re: [NSRCA-discussion] weight limits for electrics?

    Yes they are a PIA and I don't want to spend the extra time either.

    IMAC essentially has no limits, excepting the AMA 55 lb limit which is not really a factor.

    Bigger flies better, period.  If an IMAC guy went through the fuss to build the monstrous bipe with wingspan similar to the big monoplanes, it would be "bigger" and it would fly better.  No one wants to deal with that hassle and expense.

    A 2M bipe is bigger than a 2M monoplane.  The 2M being bigger will fly better, period.  And it will be more expense and it will result in some number of current day pattern competitors leaving the event.

    Regards,

    Dave Lockhart

    DaveL322 at comcast.net

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    From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Robert Mairs
    Sent: Sunday, May 14, 2006 9:26 PM
    To: NSRCA Mailing List
    Subject: Re: [NSRCA-discussion] weight limits for electrics?

    I don't buy into the bipe theory.  Bipes are a PIA.  I wouldn't want to spend a half hour setting up and tearing down every day I went out flying.  If bipes are so dominating why don't you see them on the IMAC circuit?  They don't have any size or weight restrictions and they strive for the same type performance we do, yet they're a rarity.  They're nice to see and may show up, but a flight line full of bipes, I doubt it.

      ----- Original Message ----- 

      From: Stuart Chale 

      To: 'NSRCA Mailing List' 

      Sent: Sunday, May 14, 2006 8:57 PM

      Subject: Re: [NSRCA-discussion] weight limits for electrics?

      Any time a limit has been relaxed; there has been a change in airplane size and or design.  It is not necessarily immediate but technology seems to adapt to the new limits.  Just try to fly one of your 2M designs with a piped 60, or even a 120 4C.   When 4C limits were increased to 1.2 cubic inches nothing changed.  Some brave folks tried 4C but it didn't work until YS came out with a 4C engine that was more powerful than a 60 2C engine.  Then the planes took a step larger and heavier.  When the engine limit was removed planes got larger again.  120 AC engines were now only good for the beginner classes. (An oversimplification).  Right now the weight limit works.  Yes it is a bit harder to make a 2M pattern plane come in under 5 kg when made electric but it can be done.  A gas engine 2M may be even more difficult.   Relaxing the weight limit will make it easier for an electric conversion to make weight and make a gas powered version more feasible.  But new designs will now show up pushing the new limits.  The obvious direction is a 2 M bipe.  A 14 pound 2 M bipe may present better than a monoplane, maybe not.  If it does then everyone will "need" or at least want one.  If people want to try something new and bigger then scrap the weight limit.  If not then relaxing the weight limit to fit today's problems will have undesirable effects tomorrow J

      Stuart Chale

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      From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of vicenterc at comcast.net
      Sent: Sunday, May 14, 2006 8:06 PM
      To: NSRCA Mailing List; NSRCA Mailing List
      Subject: Re: [NSRCA-discussion] weight limits for electrics?

      I understood that the definition of model airplane states that weigh has to be below 5 Kg.  That is consider international.  The only exception is the scale that is a little higher.  I am not sure if this single reason is going to make difficult to change the rule for F3A.  For sure is going to help the gas engines.  I don't think electric power plants are having a weigh problem.

      Vicente Bortone

        -------------- Original message -------------- 
        From: "John Ferrell" <johnferrell at earthlink.net> 

        Yummy! Big Biplanes are coming in quantity!

        John Ferrell    W8CCW
        "My Competition is not my enemy"
        http://DixieNC.US

          ----- Original Message ----- 

          From: Bdrtschiger Urs 

          To: NSRCA Mailing List 

          Sent: Sunday, May 14, 2006 5:17 AM

          Subject: Re: [NSRCA-discussion] weight limits for electrics?

          This subject has been adressed officially. Based on what I have been told, the weight limit for F3A will be dropped with the next rules changes. What will remain however, is the 2M by 2M box. 

          Urs 

          NSRCA #3069

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