Re: can prop

From: Fred or Judy Rash <frash_at_chartertn.net>
Date: Mon, 4 Dec 2006 15:18:54 -0500

I share Nick Ray's skepticism about 4.5 cm being correct for a rubber powered prop diameter. Sounds credible for a direct drive electric pager motor. If it is correct, you folks competing in the rubber powered "C" event for high schools and your mentors are in for an interesting time.

A prop diameter of 4.5 cm could explain some unexpectedly low times!

I'm merely mentoring the local middle school with their balloon launch gliders. Since BLG is new to me, I'm open to hints and suggestions.

Fred Rash


  ----- Original Message -----
  From: Nick Ray
  To: Indoor_Construction_at_yahoogroups.com
  Sent: Monday, December 04, 2006 2:32 PM
  Subject: Re: [Indoor_Construction] can prop


  4.5cm? they've really cut down since Ive flown this event...

  On 12/3/06, Robert Clemens <robert.clemens_at_att.net> wrote:
>
> Wombat asked, "As a question, I wonder if the Ikara blades could be used
>
> with that same
> setup legally?"
>
> Neil, the rules clearly state, "The propeller must be a single two-bladed
> >commercially made< plastic propeller with a maximum diameter of 4.5 cm."
>
> As they used to tell us in the Army, "Don't fight the problem." Your
> adjustable pitch setup would not be legal.
>
> Bob Clemens
>
>
>

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Received on Mon Dec 04 2006 - 12:26:22 CET