for May of 2010 growing during the month by all comers  Send notes:

Happy birthday, Otto. May 23.

Learn to fly hang gliders ~ Join the Torrey Hawks ~ Fly the Big O Loop!!

~~Otto Lilienthal


From USHGA and HGAusa historian Neil Larson:

- just found an URL from Smithsonian featuring 70-minute presentation with Bill Liscomb elaborating on Big Blue Sky the film- Me thinks the Broadcast - is copyright free- so may be lifted and placed on the HGAUSA- web site - without a problem-
go here -
--- May 9, 2010, news:
Suggest you make a place for this on the web pages :
I have presented three lectures/(film) at local high school with positive lifting results-

Next week I will be presenting at Niceville High School , Embry Riddle extension course Aviation / Science Class - With wonderful reception from youth-- Have located local beach (gulf) training site which is part of State Park, Topsail Hill Beach , with massive dunes facing the south prevailing breezes-    Will lock in the use of said beach for making educational field trip- to allow static display of HG- Instructor Tim Hester is pushing for building several - repeat several HGs for next year's classes-
Will keep you informed.
Neil Larson SCHGA #24 , Historian - Lifter -
have contact with Eddie Paul for use of patented Porta Kite build plans. Have been using your PDF of Cronk #3. And, of course, I will make a Jack-Lambie-style Hang Loose -
Lift Later,
~~ Neil Larson

As a side note  about yesterday:
After first half of Big Blue Sky (the movie) in High School Aviation class today
I simply asked who in here would like to build & fly one of these hang gliders ?
Every hand went up –
They liked the part when Tom Peghiny said he had to get a permission slip-
from his mom to fly and win the Nationals.
Great stuff -       
~~ Neil Larson

Neil just posted: OttoMeet1971/projectPART1.html

News Release approved by AWEIA protem president John Oyebanji
and sent out by temporary coordinator:
News Release:

Airborne Wind Energy Industry Association (AWEIA)
~~~global service, member of Global Wind Energy Council~~~

Persons, companies, and corporations in four sectors in about 233 countries are invited:
1. AWE Companies
2. AWE Supply-Chain Entities
3. AWE Individual
4. No-dues individuals, companies, corporations

The "here" link at the top of the revised page
is for joining the first tier membership in the global AWE Community
at AWEIA: 

Best of energetic lift to you and yours,
Pleasant day with very mild and soft lift at Sylmar Flight Park, May 16, 2010. About 20 hang gliders.   WindSports  Joe Greblo came in from a tandem on a NorthWings T2 with a first-time-tandem-student Mark ____ who is midway on instruction.   Gazebo project is near to installation!   Several volunteers are fixing plumbing and plants and landing turf (lead HG project guy: Rob Burgis, aka BudRob).  LZ conversation was up; gracious greeting once again by Janyce Collins, aka jcflies, pilot. Also, a young married couple came in on their own tandem glider; they figured their weight and gear (adds over glider weight) was about 365 lb.     I noted that Greblo has several Art Bean (R.I.P) original drawings on the office wall.  Art Bean won the best craftsmanship from Self-Soar Association in 1971 with a physical trophy finally presented to Art Bean for large inspiration to hang gliding by Joe Greblo at the 2003 Dockweiler celebration meet to Art Bean.  Otto Meet 1971.         ~~jpf

Lat year related: `
WoopyFly Inflatable Wing Ultralight Aircraft
mini glider 
  1. KingPosted
  2. Topless
  3. Rigid
  4. PG
  5. Rotary (Magnus-effect, Gyro-)
  6. Biplane
  7. Triplane
  8. Quadraplane
  9. Flatland launching with assist:
    • E-assist chemical batteries
    • E-assist  with separable pre-charged ultracapacitors
    • E-assist with structural double-purposed pre-charged ultracapacitors (non-separable)
    • Self-kited with some gear left on ground.
    • Self-kited with no gear left on ground (gear ready for repeat use at remote fields)
    • Lifter-kite system used; pulley up to launch platform or point
    • Lifter-kite system used; a mid-tether point is pulled down and hooked in by HG for aloft release
    • ICE-assisted
    • Fuel-cell powered assist
    • Compressed-air assist with unit onboard
    • Compressed-air assist with air storage on ground while umbilical drive is used.
    • Glide-away power unit
    • PV-E-assist
    • Pilot-muscle-power stored assist
    • Bungee assist
    • Robot aircraft assist tow
    • Robot ground-vehicle assist tow
    • Real-time pilot muscle power
    • Artificial slopes
    • Artificial updrafts and artificial thermals
    • Land-sailing self-launching into glide
    • Drag-parachute tow through revers-direction pulley of HG
    • Friends-towing of HG
    • Animals used to tow HG
    • Off roof of buildings
    • v
    • v
  10. AT involving another person at towing aircraft
  11. VT involving another person at towing vehicle
  12. v
TCF notes:
  • Full lower bar as full roller? Last moment conversions to large diameter roller? Cushy roller? Air-bag cylinder roller?  Explosive-presence cushy roller?
  • Uprights as shock absorbers?  Last moment conversions?
  • X and high-hat explorations sans lateral flying wires?
  • Double-purposing as ultracapacitors?
  • Streamline choices (temp-, perma-, soft-, hard-, )
  • Data-screens on inside faces of TCF members
  • Uses of interior of the TCF parts (VG, communications, fuel, water, ID, instruments, ultracapacitors, antenna, camera parts, checklist sounders, system-check sensors, tools, )
  • Placards
  • Identification
  • Checklists
  • Sounders for reminders, music, communications
  • Light-radiators
  • X high hat TCF.   Historical double TCF for inverted  flying
  • Faust high-hat systems

Group thread:  Msg_in_HGH#146

Re: TCF again surfaced in 1961
On Wed, May 19, 2010 at 2:47 AM, TONY PRENTICE <> wrote:
Looking at the photo of the 1961 model Rogallo type aircraft I think the triangle is more likely to be the wing support pylon rather than the control arm. The single strut in the middle of the triangle looks more like the control arm and cable support. If so, it is more like Palmers control stick arrangement. There does not seem to be a cross strut holding the wings apart so the "cable" to the wings may be struts?
Are there other photos to check constructional detail against?

That photo is all I have at the time.

Agreed. Thanks. Will discuss.
Not sure what that single middle item is doing. 
The entire lower motor-holder is lower mass  under parasol flex-wing. The triangle frame part seems
to act as a two-queen-post pylon as gets used in some parasol holdings.
I am this morning not clear about your reference to Palmer's control stick (are you referring to his mid-60's N-numbered powered flex-wing?
On the shown arrangement, It does seem that there are struts long to the two lateral leading edges and no cross-bar at the wing.   
The article in Pop Mech Nov. 1961 shows a military-like guy with a different model with two cross-bars but with no under-wing airframing, but just the wing.
The article in Pop Mech shows
a near-Prentice-1960 tethered parachute pilot in drawing under flex-wing in simple sketch art.


The Palmer glider I am referring to I have only seen a rough sketch of and Ken has it in his museum collection.
The pilot sits on a swing seat with a single drop control arm (may be with a "T" at the bottom). He also used the inverted "T" on his powered trike.

I would be interested to see the sketch you refer to in your last sentence.     [ HERE IMAGES ]




Midwest HG Comp 2010

At Hangglide Chicago

Some kite control patents and applications for patents.
<= Click for full instruction.
Of course work had been done before the filing date of November 14, 1962.   William L. Effinger, Jr., of Hamden, Conn., and Henry Struck of Hamburg, Conn.

The teaching handles the kite mode (short or long tether), free-flight gliding mode with suspended masses, powered mode, powered-assisted gliding mode. Understood in the instruction are both the crossbar and the crossbarless arrangements.   Even auxiliary aerodynamic controls were instructed. Understood was billow shift. Understood was the possibility of divergent dives.  The instructors did not choose to spend time on the five-decades-earlier 1908 cable-stayed triangle control frame (TCF) with pilot tethered behind the TCF, as we much use today in many hang gliders and microlights.  The instructors kept claiming for the three modes: long-tether kiting, short-couple hung mass gliding, and the powered mode. Of course, towing the long-line-mode system could be done by any well-known methods: people, cars, airplanes, boats, etc.   After their progress, they finally filed instructions in November 14, 1962.  It is challenging to see mechanical novelty over what had been done in similar directions in all that NASA and Ryan did from 1958-1962, and even earlier by others.

Comments are invited:

Spring Air Festival, Saturday, June 12. 2010, all welcome, see details HERE.    Follow developments HERE.   Discus HERE.  Some lessons.  Jonathan

Hi Alex,                                                                May 20, 2010
Something in me invites keeping the window open
for something more compact than a flex-wing bag-pack.
One flash comes to mind: My very layered clothes become spars and sail of a hang glider.

I appreciate your fine models Alex. The entire joined-wing project of yours has been edifying.,_Texas Control arrangement is highly evident even today, this 1908 pilot hung  behind triangle control frame (TCF)

Cigüeña prototipo working

Banter on e-assisted HG

Note: Instead of "adding" batteries, aim for making the bones of the e-assisted HG play a double purpose as ultracapacitors. Charge the  bones; use the charge just to get up a bit to catch a thermal for continuing flight.  After that is achieved, aim to have the ultracaps recharged during flight by use of 
     1. Pilot power inputs. 
     2. RATs 
     3. PV sail 
     4. Motion of the kite's tether from which the pilot hangs.    

E-Swift <click
Consider a future E-Swift that has not batteries added,
 but bones double-purposing as ultracapacitors charged by green means.

Clothes that convert to be your hang glider!  
Consider taking off your clothes and using such clothes to assemble your hang glider.
Yes, you can; you can fly using specially designed clothes!

There will be a first, and then a next.

This innovation is offered in FairIP/CooIP where you send donation as you use this IP here:

When you intend working on this FairIP
or when you appreciate the tech sharing to public domain,
then send a donation to encourage and acknowledge.  Thank you.    Joe Faust

Critique launches:   Team Challenge 2008  

Critique this launch:   An example of extremely poor foot launch technique
Hans Richter with a few dimensions of high hatting hang gliding:  Popular Science Monthly, September 1929, pages 55 and following.
Popular Science, December 1903. Classic article on Dr. Bell's tetrahedral kites.  
by Gilbert H. Grosvenor, editor of the National Geographic Magazine.

Typed out:

    Dr. Bell began building kites in 1899.  He was led to experiment with them because of his interest in the flying machine problem and his belief that a successful kite will also make a successful flying machine.   A kite that will support a man and an engine in a te-mile breeze will probably also support the man and engine when driven by a motor at the rate of ten miles an hour.  This proposition has not been actually proved, but there can be little doubht thata it makees no diffrence whether the kite is supported by the motion of the air against it or by its own motion against the air.

    In a calm a kite rises when it is pulled by a man or horse, because of its motion through the air; there is no reason to believe that it would not also rise when urged through the air by propellers.  A kite then can be changed to a flying machine by hanging a motor and propellers to it and dropping the string which attaches the kite to the ground.

Contemporary commentary is invited:

  • Dr. Bell had not much reason to contemplate a slight twist to the arrangement that would keep the kite string shortened and tied to a hang glider pilot where the potential energy of the mass of the kite pilot would work in glide to propel the free-moving kite system through the air in fine flight, often soaring. Risk to detach the string from unmoving earth or moving horse while connecting the pilot mass to a shorter string for a risky gliding falling was just missed. But a few years later we would see several types of hung pilots behind a triangle airframe part, one of which had the pilot fully hung and behind the triangle control frame (cable-stayed as so familiar today) [Breslau gliding club, 1908]; others in the first decade would have the pilot in a tensional sling seat behind a wheeled triangle airframe part with wheels assisting in takeoff and landing under power or power-off; see Santos-Dumont and Louis Blériot, for a couple of examples. Thus, the tethered-piloted hang glider is a kite system with the mooring moving (note the horse was moving for Dr. Bell) in a falling manner.
  •  ?
When at Crestline, Steve Corbin,  I fully envisioned your very off-LZ flight for my future practice path:     Best of lift to you and yours,
and nice:

"The Museum has grown from a base formed by Jason Board's collection of hang gliders."

Open topic: The day when there will be millions of L-and-L areas will be brought closer as frames double purpose as ultracapacitors and sails become chargers.
Robust study and discussion is invited over the figures:  FrancisHerbertWenhamFIGURES.jpg

Amgen Tour Stage 6 Hang Gliders & Helicopter

Décollage ULM électrique + pile à combustible + hydrogène Gérard Thévenot