For us well under 400 MPH guys wouldn't some extra heavy duty rubber bands
grouping the tether together help with this problem?
JB
----- Original Message -----
From: "Dave Dahlgren" <ddahlgren@snet.net>
To: "DrMayf" <drmayf@teknett.com>; "John Goodman" <ggl205@yahoo.com>;
<land-speed@autox.team.net>
Sent: Monday, July 12, 2004 12:37 PM
Subject: RE: Chute Forces (1)
> I came up with a bunch of contraptions menatlly though never built any of
> them.
> The two that made the most sense to me where a cylinder with water, a
piston
> and a coil spring inside. As you pull on the end of the cylider it forces
> the water out into a tank and compresses the spring wound to have an
> increasing rate as it is compressed. as the load is reduced the cylinder
> goes back and water refills it from the tank. A great big shock.
>
> The other thing was two counter rotating drums with friction material
> between them. The tow line is fed out of each drum(2 of them tied to the
> chute, turning each drum in an opposite direction. Turns the energy into
> heat. You could use one drum and a fixed frition device but seemed to make
> the load asymentrical and I don't think you want that.
> Dave
>
> > -----Original Message-----
> > From: owner-land-speed@autox.team.net
> > [mailto:owner-land-speed@autox.team.net]On Behalf Of DrMayf
> > Sent: Monday, July 12, 2004 9:34 AM
> > To: John Goodman; land-speed@autox.team.net
> > Subject: Re: Chute Forces (1)
> >
> >
> > Hey! I never thought of that. I have the data and there is a monsterous
> > spike right before shutdown. And that is in a car at only 200 mph and a
> > short tow line. A bagged stroud chute might work better to relieve some
of
> > the jerk. I would like to see a system that lets the chute blossom right
> > immediately after deploy then pay out the tow line. Like on a big
> > reel with
> > a wind up spring or torsion bar...Dave D, are you listening?
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