Re: Re: carbon VP hub data?

From: Kevin Lamers <kevin.lamers_at_gmail.com>
Date: Fri, 8 Mar 2013 08:43:44 +0100

The list for prepreg samples is closed. I will cut and ship them today.
Further details will follow off-list.

Kevin



2013/3/7 Yuan Kang Lee <ykleetx_at_gmail.com>

> **
>
>
>
> Now that some of you are readying to build the carbon VP hub, I wanted to
> let you know that I have a second carbon VP hub that is slightly different
> that may have less binding:
>
> "hub" -- use a 028/012 carbon tube
> "spar rod" -- use .010" or .011" music wire
>
> I think there is less binding because the effective contact area between
> the rod and the tube is halved. I have not flown this VP design, but it
> seems to be smoother going from high to low. Because of the .010" music
> wire for the "spar rod", this VP hub is slightly heavier.
>
> The other reason I'm bringing up this alternate design is because some
> people were not planning to order the 028/012 carbon tube because they were
> going to use a hypo tube for the shaft sleeve. You should order the 028/012
> carbon tube.
>
> Because of the smaller diameter tube for the "hub", drilling the hole for
> the prop shaft may be trickier. We can discuss more if there is interest. I
> imagine Jake will have no problems.
>
> My carbon VP hubs is a re-hash of the carbon VP's that other people have
> built, and I've only tried to improve upon other people's great ideas.
>
> Kornechuck:
>
>
> https://plus.google.com/photos/108052131825905862674/albums/5764841627391698705/5764848360776123378?banner=pwa&authkey=CO3_p6rjtpT6wAE
>
> Bill Gowen:
>
>
> https://plus.google.com/photos/108052131825905862674/albums/5764841627391698705/5792131608329293090?banner=pwa&authkey=CO3_p6rjtpT6wAE
>
> Tapio:
>
>
> https://plus.google.com/photos/108052131825905862674/albums/5764841627391698705/5791842668148343634?banner=pwa&authkey=CO3_p6rjtpT6wAE
>
>
> --- In Indoor_Construction_at_yahoogroups.com, Nick Ray <lasray_at_...> wrote:
> >
> > Hello Everyone,
> >
> > The INAV site has been updated with an article on Kang's hub. I want to
> > thank Kang for putting that together for us so quickly.
> >
> > http://indoornewsandviews.wordpress.com/
> >
> > Regards,
> >
> > Nick
> >
>
>
>
Received on Thu Mar 07 2013 - 23:43:45 CET