Excelleron RTF weight?

[Bob Pastorello]

BOB here - the optimal CG seems to be 7.25 with minimal pitching, but great snap and spin damping.  Further aft could lose some lock on the lines.  I started at 7", definitely too nose-heavy.  Wing loading won't be an issue at all.

Bob Pastorello
NSRCA 199  AMA 46373
rcaerobob at cox.net
www.rcaerobats.net


  ----- Original Message ----- 
  From: Terry Terrenoire 
  To: discussion at nsrca.org 
  Cc: discussion at nsrca.org 
  Sent: Tuesday, February 01, 2005 5:30 AM
  Subject: Re: Excelleron RTF weight?


  Nat: our calculating equip seems to agree. Last night I did the measurements and came out with the same loading, 22.4oz/sq ft.
  Should fly just fine at that loading! I also checked the CG. I am about 7 1/2 inches back from the wing LE. The instructions suggest 7". Do you remember where your CG is? Have you made any changes in it since flying?

  Terry T.


  On Mon, 31 Jan 2005 20:58:15 -0600 "Bob Pastorello" <rcaerobob at cox.net> writes:
    Terry, you'll be about 22.4 or so.... at 9.25, mine is 24.1  (all info on my website).  It's 6.1 sq ft area.

    Bob Pastorello
    NSRCA 199  AMA 46373
    rcaerobob at cox.net
    www.rcaerobats.net


      ----- Original Message ----- 
      From: Terry Terrenoire 
      To: discussion at nsrca.org 
      Cc: discussion at nsrca.org 
      Sent: Monday, January 31, 2005 7:03 PM
      Subject: Re: Excelleron RTF weight?


      Bob: I have not calculated the wing loading yet. Will take some measurements tonight and do that! Thanks for the info.

      Terry T.


      On Mon, 31 Jan 2005 18:01:24 -0600 "Bob Pastorello" <rcaerobob at cox.net> writes:
        DIdn't see other replies, Terry, but I think you're right on....mine, with the ST2300 is 9.2, so you're in good shape.  Fortunately, it has LOTS of wing....

        Bob Pastorello
        NSRCA 199  AMA 46373
        rcaerobob at cox.net
        www.rcaerobats.net


          ----- Original Message ----- 
          From: Terry Terrenoire 
          To: discussion at nsrca.org 
          Sent: Monday, January 31, 2005 5:47 AM
          Subject: Excelleron RTF weight?


          I have just finished my Excelleron. I have a YS 91 in the nose and used
          all the hardware and construction proceedures recommended in the
          instruction manual. Final all up weight, less fuel, is 8# 5oz. How does
          that compare to what you guys have been finding?

          Terry T.
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