Zn Line Gear

[Wayne Galligan]

I have good luck with the Bolly swept back c.f. gear.  Check here for specs.
http://www.bollyprops.com/Landinggearus.html

Wayne G.

----- Original Message ----- 
From: "Anthony Romano" <anthonyr105 at hotmail.com>
To: <discussion at nsrca.org>
Sent: Wednesday, June 16, 2004 3:32 PM
Subject: Re: Zn Line Gear


> Thanks Gray. Will see how much of a mess I can make tonight. Anyone found
> any reasonably priced substitutes?
>
> Anthony
>
>
> >From: "Gray E Fowler" <gfowler at raytheon.com>
> >Reply-To: discussion at nsrca.org
> >To: discussion at nsrca.org
> >Subject: Re: Zn Line Gear
> >Date: Wed, 16 Jun 2004 09:40:29 -0500
> >
> >Anthony
> >
> >The question is do you want a pretty repair or one that will last?
> >
> >Most of the gear I have seen, and I have not seen a ZN Line gear, is
> >unidirectional "airfoil" halves glued together. This is a very poor
> >composite design, but is easy and cheap to make. Over flexing of the gear
> >(poor landings) exceeds the shear strength of the resin matrix, which is
> >thousands of times weaker than the fiber.The pretty repair involves
> >re-glueing. If you are going to do this epoxy will work much better than
> >CA, but of course takes more time and effort.
> >The permenant repair (mo'ugly) involves taking a fiberglass yarn (unravel
> >some fabric) and wrap it under tension (after re glueing the split) 90
> >degrees to the uni carbon. The more tension without breaking the yarn the
> >better. You can use CA for this application as it will never get
> >overstressed and it will help you be able to wrap with tension as you
drip
> >thin CA on the fiber.
> >
> >
> >
> >Gray Fowler
> >Principal Chemical Engineer
> >Composites Engineering
> >
> >
> >
> >
> >"Anthony Romano" <anthonyr105 at hotmail.com>
> >Sent by: discussion-request at nsrca.org
> >06/16/2004 09:22 AM
> >Please respond to discussion
> >
> >
> >         To:     discussion at nsrca.org
> >         cc:
> >         Subject:        Zn Line Gear
> >
> >
> >
> >After a few less than perfect landings one of my gear legs is starting to
> >delaminate. The gear appear to have a foam core. Can I just glue the
> >halves
> >together with foam safe CA? What is the best method of repair? Is this a
> >common issue? Anyone have a spare set they are willing to part with?
> >
> >TIA
> >
> >Anthony
> >
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