Re: USIC / Nats Helium

From: John Kagan <john_kagan_at_hotmail.com>
Date: Tue, 16 Jul 2013 15:07:39 -0000

Hi Fred,

We use the the balloons to steer our models if they start drifting toward a wall or other obstacle (cue discussion about when it is appropriate to steer, and the consequences otherwise)

I wrote a description of the the equipment and a technique here: http://indoorduration.com/KaganSteering.htm

--- In Indoor_Construction_at_yahoogroups.com, bgrass2@... wrote:
>
>
> As an interested observer what purpose do the balloons serve?
>
> Fred
>
>
>
>
> On Tue, Jul 16, 2013 at 10:10 AM, mkirda_at_... wrote:
>
> That was Bob Warmann - He admitted to me later that it was a dumb
> idea as the drag of two balloons up top was really bad.
>
> I never said we wouldn't need a tank on-site in order to do top-offs.
> But if I can get the bulk of the helium at $2 and we have 300cft
> on-site, that is enough to top off a hell of a lot of balloons and would
> be cheaper for all.
>
> Regards.
> Mike Kirda
>
> --- In Indoor_Construction_at_yahoogroups.com
> <javascript:parent.wgMail.openComposeWindow('Indoor_Construction_at_yahoogroups.com')>
> , William Gowen <wdgowen_at_> wrote:
> >
> > Mike This is not important to me since I can't steer anyway but the
> > balloons at the last Urbana contest were not filled enough to suit
> > some people. I think a few wound up hooking 2 balloons together to get
> > enough lift.
>
>
> <javascript:parent.wgMail.openComposeWindow('Indoor_Construction_at_yahoogroups.com')>
>
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>
Received on Tue Jul 16 2013 - 08:07:40 CEST

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