Re: propellor and rubber of a F1D model

From: LeRoy C Cordes <lcordes_at_juno.com>
Date: Mon, 10 Mar 2008 13:13:00 -0500

John, I don't understand what the "grams/metre" units denote - is that
weight per meter, essentially translating to rubber width ?

LeRoy Cordes
AMA 16974
Chicago, IL
In God We Trust

On Mon, 10 Mar 2008 09:09:04 -0000 "John Barker"
<john.barker783_at_ntlworld.com> writes:
> Kevin
> In response to one of the questions you asked, about number of
> turns. With
> the usual proviso about rubber batches varying, my turns formula
> gives the
> following figures which may be useful until something better comes
> along:
>
> grams/metre motor length maximum turns
> 1.2 9.8” 1797
> 1.3 9.1” 1594
> 1.4 8.4” 1426
> 1.5 7.9” 1286
> 1.6 7.4 1168
> All for a motor weight of 0.6 gram.
>
> John
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
>
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LeRoy Cordes
AMA 16974
Chicago, IL
In God We Trust
Received on Mon Mar 10 2008 - 12:22:15 CET