[JoeF]

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One version family for Joy Frame for Safe-Splat uses straight members for the legs and most of the length of the ski feet.
In that family are versions that have the four legs be of two parts; the upper part lower end fits inside the lower-leg part and acts as a piston of a shock-absorbing assembly; shock absorbing could be achieved in any number of known methods (tension lines, compressed air, compressed foam along with compressing of air with leak, or other spring methods, or arresting or crushing methods.

The exterior hand hold for control is dedicated to Ernest Feher; he may be seen in early 1970s with exterior horizontal hand hold. See video in some of the early HG. However, he also had the standard basebar between the downtubes; but he did not have Safe-Splat Joy Frame.

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[JoeF]

Ernest Feher in flight in early 1970s (see upper post) using horizontal hand hold that is exterior to the downtubes.

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[JoeF]

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Busable Joy Frame Safe-Splat Wing-Runner Apparatus
** January 1, 2015
The three Joy Frame main beams (1, 2, 3) of special shape (segmentable) poetically remind me of my three children. Segments of "2" could be three in number: top, lower, foot; similarly for beam "3". The lower could coordinate with the top segment to result in a shock absorber that could smooth sliding over uneven ground while also taking some shock out of initial contact with ground; the spoon assembly could fit into the lower segment; various spoons or feet could fit the lower segment.

The optional basebar fits to the lower segments of the two front legs.

The extended legs have spoon feet for Safe-Splatting. The rear third foot combine with the front spoon feet for Safe-Splat aims.
"Feher handles" may be mounted on the side flying lines.
Many choices for wing are available to designers.
One may have a simple 0 L/D wing of any shape to provide just drag for some beginning wing-running training. Perhaps have a form that shows a flag; maybe have a circle with symbol in the circle. Maybe have a VAWT (vertical axis wind turbine) mounted horizontally between the king-posting beams "2" and "3" for a small L/D of 1 (consider mounting a small generator to send energy to LEDs for excitement and night-wing running). Other "High Hats" may be mounted up high for various play.

When lift is wanted, then aim for wings with L/D of 5 or greater.

When one-person public-city-bus carry is target, one option direction for a wing-running operation could be the use of a splinted inflated beam for wing spar. The bladder-encasement-compression-bar method of construction of wing spar is available; the compression bar may be coilable or segmentable. Some builders might opt for single membrane wing; others might go for double-membrane wing. Depending on use of an apparatus there are various ways to attach wing sails to the main spar. Fine-tuning advanced parts will up costs.

When first wing running a frame without large wing at a public park, consider having as "wing" a normally-vertically pole state flag and nation flag; or city flag. People at parks frequently run with flags, umbrellas, loose clothes, twirling toys, kites, hats, leashed dogs, etc. Be sure there is room to run without bumping into people, plants, or animals. Recreational rights! See how things go with flags only. Train muscles and nerves; advance endurance and speed. Practice stumbling to use the Safe-Splat aspect of the Joy Frame. Only after six weeks of such training, move into other wings mounted to the base Joy Frame.

In some circumstances, emphasize that the wing running is a running-training effort. Play. Recreation. Not gliding. Not hang gliding.
In other circumstances "ground skimming" running. Other sites and circumstances with appropriate wings to the Joy Frame: gliding, hang gliding.

Happy New Year to All.

~JoeF

** All Rights Are Released to Public Domain. January 1, 2015. ~ Joe Faust

=========== Teasing:

[JoeF]

Interesting, Joe. I was always thinking about better setups for blown shallow hill launches etc.

Thanks,
Frank

[JoeF]

Keeping near the topic for teasing progress:

[JoeF]

Some notes:
1. Look to staying the drag-move-back of skis or ski-wheels with lines from bowsprit or nose.

2. Consider various manufacturing methods for versions of Joy Frame.

3. Here below is something from powered aircraft :

Wheel skis

[Bill Cummings]

My partner, in alleged crime, Don Ray and I learned to hang glide by being boat towed by our instructor Richard (Kiteman) Johnson of Winterhaven, FL. (Jan 1978)

I say partner in crime since in those days we didn’t yet have part 103 FAA regulations to worry about but only were alleged to be in violation of the Moored Balloon and Kiting regulations.
Allegedly our towline was allegedly too long and allegedly lacked the red flags along its length to be visible from at least a mile away----allegedly!

We had hundreds of flights before we taught ourselves to foot launch on a 50 foot high ,waste rock, red ore, mining dump referred to perplexingly as, “Red Top.” (Go figure!)

We attempted to learn this foot launching during the winter months in Northeastern Minnesota with better than one foot of snow cover on the ground.

We hadn’t removed the Moyes floats on each end of the base tube/control bar or the float on the keels tail. (Moyes Midi 220sq’)

The floats were left on to allow us to skid the glider along behind us with the wings folded and standing on the control frame as we walked up to Red Top.

Due to haste and laziness we didn’t remove the floats before foot launching and found out totally accidentally that they made excellent skids when blowing 95% of our landing attempts. (Another 4% were dead stop crashes where even the float skids were of no help at all.)

But it’s true. If you live you learn!

We eventually figured out that laziness and ignorance is a valuable tool when blindly stumbling upon a safe learning procedure.

We successfully learned to foot launch without bending, breaking or bruising anything. A fact that encompassed much pride.
I mean, are we smarter than we look --- or what?

Joe is on the right track with “Safe Splat,” and Don and I stand (undeserving of any credit) as living proof.

[Bob Kuczewski]

Due to haste and laziness we didn’t remove the floats before foot launching and found out totally accidentally that they made excellent skids when blowing 95% of our landing attempts. (Another 4% were dead stop crashes where even the float skids were of no help at all.)

But it’s true. If you live you learn!

One of these days I'm going to have to link together the complete published works of Bill Cummings!!!   

[JoeF]

Engineered Materials Arresting System EMAS by ESCO

What would be HG analogical EMAS

[JoeF]

From FAA Weight-Shift Control handbook:

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PopSciClipHistoryOfDrones
Kettering Aerial Torpedo
undercarriage
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Year circa 1918

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