[balloon-makers] Re: Suggestion (Boland) balloon kits Re: [Balloonmail] Growth of ballooning

Robert Kerr kerrro at msu.edu
Thu Oct 5 08:25:07 CDT 2006


Just off the top of my head, yes in theory i would work, but the reduction 
in volume would be something more like 30% squared.


Robert Kerr

At 10:57 AM 10/5/2006, Paul Strazza wrote:

Robert,

I just thought of a problem with that.. Id have to reduce my width by 30%, 
alot more gores than needed, and alot of unescesary cutting.


but would the theory work?

Paul S

Robert Kerr <private e-mail address> wrote:
yes, but if the balloon you intend to build should look like a balloon from
1937, or better yet 1857, then that would be the ideal pattern !!!

At 10:19 AM 10/5/2006, Don Piccard wrote:
>Bob, the cone and sphere was a nice novelty in 1937, but you should be able
>to do better now. There are many reasons to use more up tio date concepts.
>
>Don
>
>P.S. The geometric function that puts the 60 degree tangent point at the
>midpoint was fascinating to my father's students which included Gilruth at
>the time. dp
>
>-----Original Message-----
>From: private e-mail address
>[mailto:private e-mail address] On Behalf Of Robert Kerr
>Sent: Thursday, October 05, 2006 7:36 AM
>To: Jonathan Wolfe; Dave Wesner
>Cc: private e-mail address; private e-mail address
>Subject: [balloon-makers] Re: Suggestion (Boland) balloon kits Re:
>[Balloonmail] Growth of ballooning
>
>Johnathon,
>
>Have you looked into contacting Bob LeDoux to get a copy of the Balloon
>builder Journal?
>
>I just got my copy of the CD this week, but haven't had time to look at
>much of it yet.
>I know there's enough info in there to build your own balloon, and the
>plans are adaptable enough to change the shape slightly without worry.
>
>I also built my own spreadsheet for designing my own primative "cone and
>sphere" balloon, but haven't had the time, nor the money now (DIV....) to
>start fabrication. If that interests you I could send you a copy of the
>spreadsheet.
>
>Robert Kerr
>
>
>
>
>At 12:24 AM 10/5/2006, Jonathan Wolfe wrote:
> >Oh yeah, I forgot to reply to Dave's inquiry about Boland-style kits.
> >It's a great idea, and it's great to have a way for motivated people who
> >can't afford to buy a new system to get into the sport.
> > From my standpoint, Boland's designs are a bit too focused on
> > simplicity, lightness, and affordability. Those are not bad things at
> > all, but there are many homebuilders who build envelopes that are much
> > more beautifully shaped.
> > There was a conversation a while back about creating a
> > collaborative "open-source" balloon design that would basically be a set
> > of free and easy plans that anyone could use to build a balloon and get
> > into the sport. It would incorporate the best elements from many designs.
> > I think that's a terrific idea. I hope we pursue this. I hope we don't
> > let the lawyers stop us.
> >
> >
> >-Jonathan Wolfe, Ph.D.
> >http://www.SkyDyes.net
> >http://www.FractalFoundation.org
> >
> >
> >
> >>When I read the above, one refrain kept running through my mind: "Boland,
> >>Boland, Boland." Smaller, lighter systems, kits, "balloon camp," what
> >>appears from the outside to be an enthusiastic support network for
> >>homebuilders - as long as there's an option for people to pay extra for
> >>full assembly, the Boland model fits the bill beautifully. All it would
> >>seem to need is more widespread promotion, and greater geographic
> >>availability (I might already have done "balloon camp" were it not for
> >>the travel involved). Any comments from those more familiar with Brian
> >>and his approach (Dr. Wolfe? You tuned in, here?) who could comment on
> >>the above?
> >>
> >>
> >>-Dave Wesner
> >>http://www.ballooninghistory.com
> >>
> >>_______________________________________________
> >>Balloonmail mailing list
> >>private e-mail address
> >>http://www.interaeroleague.com/mailman/listinfo/balloonmail
> >
> >_______________________________________________
> >Balloonmail mailing list
> >private e-mail address
> >http://www.interaeroleague.com/mailman/listinfo/balloonmail
>
>Robert Kerr
>
>University Computer Repair Technician
>MSU Computer Repair,
>Academic Computing and Network Services
>Michigan State University
>505 Computer Center
>East Lansing, MI 48824
>(517) 432-5347
>
>
>-
>"Balloon-makers" is archived at http://www.hombc.org/balloon-makers/
>
>
>
>
>--- http://USFamily.Net/dialup.html - $8.25/mo! --
>http://www.usfamily.net/dsl.html - $19.99/mo! ---

Robert Kerr

University Computer Repair Technician
MSU Computer Repair,
Academic Computing and Network Services
Michigan State University
505 Computer Center
East Lansing, MI 48824
(517) 432-5347


_______________________________________________
Balloonmail mailing list
private e-mail address
http://www.interaeroleague.com/mailman/listinfo/balloonmail



Get your email and more, right on the 
<http://us.rd.yahoo.com/evt=42973/*http://www.yahoo.com/preview>new Yahoo.com


Robert Kerr

University Computer Repair Technician
MSU Computer Repair,
Academic Computing and Network Services
Michigan State University
505 Computer Center
East Lansing, MI 48824
(517) 432-5347


-
"Balloon-makers" is archived at http://www.hombc.org/balloon-makers/





More information about the Balloon-makers mailing list