[NSRCA-discussion] the joy of trim (thrust Protractor)

[Nat Penton]

Thanks Jim. The protractor is neat. One of my problems is knowing when the wing is level. I use a laser incidence meter and it is very good at determining relative incidencies, not absolute. I might make the protractor into a T so I can set the incidence meter on top.

One other thought, maybe I can determine what the meter reads on something level then zero the wing.   Nat
  ----- Original Message ----- 
  From: Derek Koopowitz 
  To: NSRCA Mailing List 
  Sent: Tuesday, March 11, 2008 3:17 PM
  Subject: Re: [NSRCA-discussion] the joy of trim (thrust Protractor)


  So much easier to visualize when one has a picture...

  Thank you Jim!


  On Tue, Mar 11, 2008 at 12:48 PM, J N Hiller <jnhiller at earthlink.net> wrote:

    Chris, Matt's post yesterday reminded me that I wanted to make a thrust
    angle protractor after reading it previously, here is a photo. I used 1" sq
    hardwood and contact cemented the printed protractor (see pdf) on both ends
    so I could check right thrust as well, noting equal measurement from the
    tail.

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