Re: Spring rates for VP props

From: Nick Ray <lasray_at_gmail.com>
Date: Fri, 15 Feb 2013 10:36:08 -0500

This would be really interesting to determine a base line for new comers.
However, its difficult to say what will happen model to model. The more
efficient the model is the wider the torque range can be. Because with
respect to energy usage, everything happens more slowly as the model
becomes more efficient.

I am still not sure I fully understand how changing the high pitch effects
range of torques the hub can change over. It would seem the higher the high
pitch, the longer the hub would need to take to go from open to closed.

Regards,

Nick

On Fri, Feb 15, 2013 at 9:55 AM, mkirda_at_sbcglobal.net
<mkirda_at_sbcglobal.net>wrote:

> **
>
>
> I am just curious if there is any consensus on spring rates for VP props.
>
> Where do you think the beginning of a flip from high pitch should start on
> the torque band? And where should it end?
>
> I did some measurements on one of my VP props and it looks to be 0.11
> where it starts to move from high and completes by around 0.08 in-oz.
> Somehow I am thinking that this is too switch-like and the spread in
> torque should be wider.
>
> Regards.
> Mike Kirda
>
>
>
Received on Fri Feb 15 2013 - 07:36:09 CET