Re: [indoor construction] VP or VD

From: markdrela <drela_at_mit.edu>
Date: Tue, 24 Oct 2006 21:11:59 -0000

--- In Indoor_Construction_at_yahoogroups.com, "Nick Ray" <lasray@...> wrote:
>
> In order to keep a constant P/D you would need to have
> a V/P mechanism along with a mechanism for folding of the Prop.
> Right? I know you could have one mechanism for doing both
> things but I can not get my brain around this I'm going
> to break it into parts.

With the Richmond folding VD design, this is easy.
Just angle the hinge posts so that they are not parallel
to the propshaft, but "pitched up" by 3.5 degrees.
This will give a 7.0 deg pitch increase when the prop
unfolds to max D.
Received on Tue Oct 24 2006 - 14:16:50 CEST