Re: [balloon-makers] Parachute Vent and Centering lines

["Mike & Tammie" <private e-mail address>]

Keith,
I used Type IIA nylon suspension line sleeeving for my parachute lines. Part
number W9680 from Para Gear parachute supply.  http://www.para-gear.com   It
is about $18 for a hundred yard roll. It is flattened and sized so it is
easy to work with. You can also use a small fid to fingertrap the ends to
make a loop, run a stitch to hold it and voila a perfect loop. I'm sure
others have used different methods but this has worked well for me.

Mike Lavoie
----- Original Message -----
From: "Keith Sproul" <ksproul@vger.rutgers.edu>
To: <balloon-makers@mail.deering.org>
Sent: Thursday, March 29, 2001 8:59 PM
Subject: [balloon-makers] Parachute Vent and Centering lines


> I have the nylon for my balloon, and the load tape (from Bally
> Ribbons) came today!! My next step is cutting out the pattern..  I
> CAN'T WAIT!!
>
>
> One thing that I need to know is what kind of small rope do you use
> for the rigging for the parachute valve?  Each attachment point gets
> two 'strings' attached to it.  One that goes down to the apex and
> then to the RED LINE, just exactly like a parachute, and the other
> that goes over to the edge of the balloon, called the centering line.
>
> When I look at this thin cord on commercial balloons, I can't really
> tell what it is..  It is generally smaller than parachute cord, but
> what is it made of?  I would think that it needs to be something more
> heat resistant than Nylon and not as stretchy either.  Is it
> Polyester? or what exactly is it?   And, where do I buy it?
>
> Keith Sproul
>
>
>
> --
> Keith Sproul Ham Radio WU2Z
> ksproul@vger.rutgers.edu 732 821-4828
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